function colleagueChecker(){
	var refer_position_1 = document.refer_register.refer_position_1.value;
	var refer_fname_1 = document.refer_register.refer_fname_1.value;
	var refer_lname_1 = document.refer_register.refer_lname_1.value;
	var refer_mob_country_1 = document.refer_register.refer_mob_country_1.value;
	var refer_mob_area_1 = document.refer_register.refer_mob_area_1.value;
	var refer_mob_no_1 = document.refer_register.refer_mob_no_1.value;
	var refer_email_1 = document.refer_register.refer_email_1.value;

	var refer_position_2 = document.refer_register.refer_position_2.value;
	var refer_fname_2 = document.refer_register.refer_fname_2.value;
	var refer_lname_2 = document.refer_register.refer_lname_2.value;
	var refer_mob_country_2 = document.refer_register.refer_mob_country_2.value;
	var refer_mob_area_2 = document.refer_register.refer_mob_area_2.value;
	var refer_mob_no_2 = document.refer_register.refer_mob_no_2.value;
	var refer_email_2 = document.refer_register.refer_email_2.value;
	
	var refer_position_3 = document.refer_register.refer_position_3.value;
	var refer_fname_3 = document.refer_register.refer_fname_3.value;
	var refer_lname_3 = document.refer_register.refer_lname_3.value;
	var refer_mob_country_3 = document.refer_register.refer_mob_country_3.value;
	var refer_mob_area_3 = document.refer_register.refer_mob_area_3.value;
	var refer_mob_no_3 = document.refer_register.refer_mob_no_3.value;
	var refer_email_3 = document.refer_register.refer_email_3.value;
	
	var refer_position_4 = document.refer_register.refer_position_4.value;
	var refer_fname_4 = document.refer_register.refer_fname_4.value;
	var refer_lname_4 = document.refer_register.refer_lname_4.value;
	var refer_mob_country_4 = document.refer_register.refer_mob_country_4.value;
	var refer_mob_area_4 = document.refer_register.refer_mob_area_4.value;
	var refer_mob_no_4 = document.refer_register.refer_mob_no_4.value;
	var refer_email_4 = document.refer_register.refer_email_4.value;
	
	var refer_position_5 = document.refer_register.refer_position_5.value;
	var refer_fname_5 = document.refer_register.refer_fname_5.value;
	var refer_lname_5 = document.refer_register.refer_lname_5.value;
	var refer_mob_country_5 = document.refer_register.refer_mob_country_5.value;
	var refer_mob_area_5 = document.refer_register.refer_mob_area_5.value;
	var refer_mob_no_5 = document.refer_register.refer_mob_no_5.value;
	var refer_email_5 = document.refer_register.refer_email_5.value;

	var refer_position_6 = document.refer_register.refer_position_6.value;
	var refer_fname_6 = document.refer_register.refer_fname_6.value;
	var refer_lname_6 = document.refer_register.refer_lname_6.value;
	var refer_mob_country_6 = document.refer_register.refer_mob_country_6.value;
	var refer_mob_area_6 = document.refer_register.refer_mob_area_6.value;
	var refer_mob_no_6 = document.refer_register.refer_mob_no_6.value;
	var refer_email_6 = document.refer_register.refer_email_6.value;
	
	var refer_position_7 = document.refer_register.refer_position_7.value;
	var refer_fname_7 = document.refer_register.refer_fname_7.value;
	var refer_lname_7 = document.refer_register.refer_lname_7.value;
	var refer_mob_country_7 = document.refer_register.refer_mob_country_7.value;
	var refer_mob_area_7 = document.refer_register.refer_mob_area_7.value;
	var refer_mob_no_7 = document.refer_register.refer_mob_no_7.value;
	var refer_email_7 = document.refer_register.refer_email_7.value;
	
	var refer_position_8 = document.refer_register.refer_position_8.value;
	var refer_fname_8 = document.refer_register.refer_fname_8.value;
	var refer_lname_8 = document.refer_register.refer_lname_8.value;
	var refer_mob_country_8 = document.refer_register.refer_mob_country_8.value;
	var refer_mob_area_8 = document.refer_register.refer_mob_area_8.value;
	var refer_mob_no_8 = document.refer_register.refer_mob_no_8.value;
	var refer_email_8 = document.refer_register.refer_email_8.value;
	
	var refer_position_9 = document.refer_register.refer_position_9.value;
	var refer_fname_9 = document.refer_register.refer_fname_9.value;
	var refer_lname_9 = document.refer_register.refer_lname_9.value;
	var refer_mob_country_9 = document.refer_register.refer_mob_country_9.value;
	var refer_mob_area_9 = document.refer_register.refer_mob_area_9.value;
	var refer_mob_no_9 = document.refer_register.refer_mob_no_9.value;
	var refer_email_9 = document.refer_register.refer_email_9.value;
	
	var refer_position_10 = document.refer_register.refer_position_10.value;
	var refer_fname_10 = document.refer_register.refer_fname_10.value;
	var refer_lname_10 = document.refer_register.refer_lname_10.value;
	var refer_mob_country_10 = document.refer_register.refer_mob_country_10.value;
	var refer_mob_area_10 = document.refer_register.refer_mob_area_10.value;
	var refer_mob_no_10 = document.refer_register.refer_mob_no_10.value;
	var refer_email_10 = document.refer_register.refer_email_10.value;
	
	var intreg = /^[0-9].*$/;
	
	if(document.refer_register.check_refer_1.checked == true){
		if((refer_position_1 == "") || (refer_position_1 == " ")){
				alert("Please enter your Position of Person 1");
				document.refer_register.refer_position_1.focus();
				return false;
		}
		if((refer_fname_1 == "") || (refer_fname_1 == " ")){
				alert("Please enter your First Name of Person 1");
				document.refer_register.refer_fname_1.focus();
				return false;
		}
		if((refer_lname_1 == "") || (refer_lname_1 == " ")){
				alert("Please enter your Last Name of Person 1");
				document.refer_register.refer_lname_1.focus();
				return false;
		}	
		if((refer_mob_country_1 == "") || (refer_mob_country_1 == " ")){
			alert("Please enter your Mobile Country Code of Person 1");
			document.refer_register.refer_mob_country_1.focus();
			return false;
		}else if((intreg.test(refer_mob_country_1) == false)){
			alert("Invalid Mobile Country Code of Person 1");
			document.refer_register.refer_mob_country_1.focus();
			return false;
		}	
		if(refer_mob_area_1.length >= 1){
			if((intreg.test(refer_mob_area_1) == false)){
			alert("Please enter your Valid Mobile Area Code of Person 1");
			document.refer_register.refer_mob_area_1.focus();
			return false;
			}
		}
		if((refer_mob_no_1 == "") || (refer_mob_no_1 == " ")){
			alert("Please enter your Mobile Number of Person 1");
			document.refer_register.refer_mob_no_1.focus();
			return false;
		}else if((intreg.test(refer_mob_no_1) == false)){
			alert("Invalid Mobile Number of Person 1");
			document.refer_register.refer_mob_no_1.focus();
			return false;
		}		
		if((refer_email_1 == "") || (refer_email_1 == " ")){
				alert("Please enter your E-mail Address of Person 1");
				document.refer_register.refer_email_1.focus();
				return false;
		}
		else{
				if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(refer_email_1)){
		
				} else  {
						alert("Invalid E-mail Address! of Person 1 Please re-enter.")
						document.refer_register.refer_email_1.focus();
						return false;
				}
		}
	}
	
	if(document.refer_register.check_refer_2.checked == true){
		if((refer_position_2 == "") || (refer_position_2 == " ")){
				alert("Please enter your Position of Person 2");
				document.refer_register.refer_position_2.focus();
				return false;
		}
		if((refer_fname_2 == "") || (refer_fname_2 == " ")){
				alert("Please enter your First Name of Person 2");
				document.refer_register.refer_fname_2.focus();
				return false;
		}
		if((refer_lname_2 == "") || (refer_lname_2 == " ")){
				alert("Please enter your Last Name of Person 2");
				document.refer_register.refer_lname_2.focus();
				return false;
		}	
		if((refer_mob_country_2 == "") || (refer_mob_country_2 == " ")){
			alert("Please enter your Mobile Country Code of Person 2");
			document.refer_register.refer_mob_country_2.focus();
			return false;
		}else if((intreg.test(refer_mob_country_2) == false)){
			alert("Invalid Mobile Country Code of Person 2");
			document.refer_register.refer_mob_country_2.focus();
			return false;
		}	
		if(refer_mob_area_2.length >= 1){
			if((intreg.test(refer_mob_area_2) == false)){
			alert("Please enter your Valid Mobile Area Code of Person 2");
			document.refer_register.refer_mob_area_2.focus();
			return false;
			}
		}
		if((refer_mob_no_2 == "") || (refer_mob_no_2 == " ")){
			alert("Please enter your Mobile Number of Person 2");
			document.refer_register.refer_mob_no_2.focus();
			return false;
		}else if((intreg.test(refer_mob_no_2) == false)){
			alert("Invalid Mobile Number of Person 2");
			document.refer_register.refer_mob_no_2.focus();
			return false;
		}		
		if((refer_email_2 == "") || (refer_email_2 == " ")){
				alert("Please enter your E-mail Address of Person 2");
				document.refer_register.refer_email_2.focus();
				return false;
		}
		else{
				if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(refer_email_2)){
		
				} else  {
						alert("Invalid E-mail Address! of Person 2 Please re-enter.")
						document.refer_register.refer_email_2.focus();
						return false;
				}
		}
	if((refer_email_1 == refer_email_2) || (refer_email_1 == refer_email_3) || (refer_email_1 == refer_email_4) || (refer_email_1 == refer_email_5) || (refer_email_1 == refer_email_6) || (refer_email_1 == refer_email_7) || (refer_email_1 == refer_email_8) || (refer_email_1 == refer_email_9) || (refer_email_1 == refer_email_10)){
		alert("Same E-mail Address! Kindly Check");
		return false;
	}	
	if((refer_email_2 == refer_email_1) || (refer_email_2 == refer_email_3) || (refer_email_2 == refer_email_4) || (refer_email_2 == refer_email_5) || (refer_email_2 == refer_email_6) || (refer_email_2 == refer_email_7) || (refer_email_2 == refer_email_8) || (refer_email_2 == refer_email_9) || (refer_email_2 == refer_email_10)){
		alert("Same E-mail Address! Kindly Check");
		return false;
	}	
	}	
	
	if(document.refer_register.check_refer_3.checked == true){
		if((refer_position_3 == "") || (refer_position_3 == " ")){
				alert("Please enter your Position of Person 3");
				document.refer_register.refer_position_3.focus();
				return false;
		}
		if((refer_fname_3 == "") || (refer_fname_3 == " ")){
				alert("Please enter your First Name of Person 3");
				document.refer_register.refer_fname_3.focus();
				return false;
		}
		if((refer_lname_3 == "") || (refer_lname_3 == " ")){
				alert("Please enter your Last Name of Person 3");
				document.refer_register.refer_lname_3.focus();
				return false;
		}	
		if((refer_mob_country_3 == "") || (refer_mob_country_3 == " ")){
			alert("Please enter your Mobile Country Code of Person 3");
			document.refer_register.refer_mob_country_3.focus();
			return false;
		}else if((intreg.test(refer_mob_country_3) == false)){
			alert("Invalid Mobile Country Code of Person 3");
			document.refer_register.refer_mob_country_3.focus();
			return false;
		}	
		if(refer_mob_area_3.length >= 1){
			if((intreg.test(refer_mob_area_3) == false)){
			alert("Please enter your Valid Mobile Area Code of Person 3");
			document.refer_register.refer_mob_area_3.focus();
			return false;
			}
		}
		if((refer_mob_no_3 == "") || (refer_mob_no_3 == " ")){
			alert("Please enter your Mobile Number of Person 3");
			document.refer_register.refer_mob_no_3.focus();
			return false;
		}else if((intreg.test(refer_mob_no_3) == false)){
			alert("Invalid Mobile Number of Person 3");
			document.refer_register.refer_mob_no_3.focus();
			return false;
		}		
		if((refer_email_3 == "") || (refer_email_3 == " ")){
				alert("Please enter your E-mail Address of Person 3");
				document.refer_register.refer_email_3.focus();
				return false;
		}
		else{
				if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(refer_email_3)){
		
				} else  {
						alert("Invalid E-mail Address! of Person 3 Please re-enter.")
						document.refer_register.refer_email_3.focus();
						return false;
				}
		}
	if((refer_email_1 == refer_email_2) || (refer_email_1 == refer_email_3) || (refer_email_1 == refer_email_4) || (refer_email_1 == refer_email_5) || (refer_email_1 == refer_email_6) || (refer_email_1 == refer_email_7) || (refer_email_1 == refer_email_8) || (refer_email_1 == refer_email_9) || (refer_email_1 == refer_email_10)){
		alert("Same E-mail Address! Kindly Check");
		return false;
	}	
	if((refer_email_2 == refer_email_1) || (refer_email_2 == refer_email_3) || (refer_email_2 == refer_email_4) || (refer_email_2 == refer_email_5) || (refer_email_2 == refer_email_6) || (refer_email_2 == refer_email_7) || (refer_email_2 == refer_email_8) || (refer_email_2 == refer_email_9) || (refer_email_2 == refer_email_10)){
		alert("Same E-mail Address! Kindly Check");
		return false;
	}
	if((refer_email_3 == refer_email_1) || (refer_email_3 == refer_email_2) || (refer_email_3 == refer_email_4) || (refer_email_3 == refer_email_5) || (refer_email_3 == refer_email_6) || (refer_email_3 == refer_email_7) || (refer_email_3 == refer_email_8) || (refer_email_3 == refer_email_9) || (refer_email_3 == refer_email_10)){
		alert("Same E-mail Address! Kindly Check");
		return false;
	}		
	}	
	
	if(document.refer_register.check_refer_4.checked == true){
		if((refer_position_4 == "") || (refer_position_4 == " ")){
				alert("Please enter your Position of Person 4");
				document.refer_register.refer_position_4.focus();
				return false;
		}
		if((refer_fname_4 == "") || (refer_fname_4 == " ")){
				alert("Please enter your First Name of Person 4");
				document.refer_register.refer_fname_4.focus();
				return false;
		}
		if((refer_lname_4 == "") || (refer_lname_4 == " ")){
				alert("Please enter your Last Name of Person 4");
				document.refer_register.refer_lname_4.focus();
				return false;
		}	
		if((refer_mob_country_4 == "") || (refer_mob_country_4 == " ")){
			alert("Please enter your Mobile Country Code of Person 4");
			document.refer_register.refer_mob_country_4.focus();
			return false;
		}else if((intreg.test(refer_mob_country_4) == false)){
			alert("Invalid Mobile Country Code of Person 4");
			document.refer_register.refer_mob_country_4.focus();
			return false;
		}	
		if(refer_mob_area_4.length >= 1){
			if((intreg.test(refer_mob_area_4) == false)){
			alert("Please enter your Valid Mobile Area Code of Person 4");
			document.refer_register.refer_mob_area_4.focus();
			return false;
			}
		}
		if((refer_mob_no_4 == "") || (refer_mob_no_4 == " ")){
			alert("Please enter your Mobile Number of Person 4");
			document.refer_register.refer_mob_no_4.focus();
			return false;
		}else if((intreg.test(refer_mob_no_4) == false)){
			alert("Invalid Mobile Number of Person 4");
			document.refer_register.refer_mob_no_4.focus();
			return false;
		}		
		if((refer_email_4 == "") || (refer_email_4 == " ")){
				alert("Please enter your E-mail Address of Person 4");
				document.refer_register.refer_email_4.focus();
				return false;
		}
		else{
				if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(refer_email_4)){
		
				} else  {
						alert("Invalid E-mail Address! of Person 4 Please re-enter.")
						document.refer_register.refer_email_4.focus();
						return false;
				}
		}
	if((refer_email_1 == refer_email_2) || (refer_email_1 == refer_email_3) || (refer_email_1 == refer_email_4) || (refer_email_1 == refer_email_5) || (refer_email_1 == refer_email_6) || (refer_email_1 == refer_email_7) || (refer_email_1 == refer_email_8) || (refer_email_1 == refer_email_9) || (refer_email_1 == refer_email_10)){
		alert("Same E-mail Address! Kindly Check");
		return false;
	}	
	if((refer_email_2 == refer_email_1) || (refer_email_2 == refer_email_3) || (refer_email_2 == refer_email_4) || (refer_email_2 == refer_email_5) || (refer_email_2 == refer_email_6) || (refer_email_2 == refer_email_7) || (refer_email_2 == refer_email_8) || (refer_email_2 == refer_email_9) || (refer_email_2 == refer_email_10)){
		alert("Same E-mail Address! Kindly Check");
		return false;
	}
	if((refer_email_3 == refer_email_1) || (refer_email_3 == refer_email_2) || (refer_email_3 == refer_email_4) || (refer_email_3 == refer_email_5) || (refer_email_3 == refer_email_6) || (refer_email_3 == refer_email_7) || (refer_email_3 == refer_email_8) || (refer_email_3 == refer_email_9) || (refer_email_3 == refer_email_10)){
		alert("Same E-mail Address! Kindly Check");
		return false;
	}	
	if((refer_email_4 == refer_email_1) || (refer_email_4 == refer_email_2) || (refer_email_4 == refer_email_3) || (refer_email_4 == refer_email_5) || (refer_email_4 == refer_email_6) || (refer_email_4 == refer_email_7) || (refer_email_4 == refer_email_8) || (refer_email_4 == refer_email_9) || (refer_email_4 == refer_email_10)){
		alert("Same E-mail Address! Kindly Check");
		return false;
	}		
	}	
	
	if(document.refer_register.check_refer_5.checked == true){
		if((refer_position_5 == "") || (refer_position_5 == " ")){
				alert("Please enter your Position of Person 5");
				document.refer_register.refer_position_5.focus();
				return false;
		}
		if((refer_fname_5 == "") || (refer_fname_5 == " ")){
				alert("Please enter your First Name of Person 5");
				document.refer_register.refer_fname_5.focus();
				return false;
		}
		if((refer_lname_5 == "") || (refer_lname_5 == " ")){
				alert("Please enter your Last Name of Person 5");
				document.refer_register.refer_lname_5.focus();
				return false;
		}	
		if((refer_mob_country_5 == "") || (refer_mob_country_5 == " ")){
			alert("Please enter your Mobile Country Code of Person 5");
			document.refer_register.refer_mob_country_5.focus();
			return false;
		}else if((intreg.test(refer_mob_country_5) == false)){
			alert("Invalid Mobile Country Code of Person 5");
			document.refer_register.refer_mob_country_5.focus();
			return false;
		}	
		if(refer_mob_area_5.length >= 1){
			if((intreg.test(refer_mob_area_5) == false)){
			alert("Please enter your Valid Mobile Area Code of Person 5");
			document.refer_register.refer_mob_area_5.focus();
			return false;
			}
		}
		if((refer_mob_no_5 == "") || (refer_mob_no_5 == " ")){
			alert("Please enter your Mobile Number of Person 5");
			document.refer_register.refer_mob_no_5.focus();
			return false;
		}else if((intreg.test(refer_mob_no_5) == false)){
			alert("Invalid Mobile Number of Person 5");
			document.refer_register.refer_mob_no_5.focus();
			return false;
		}		
		if((refer_email_5 == "") || (refer_email_5 == " ")){
				alert("Please enter your E-mail Address of Person 5");
				document.refer_register.refer_email_5.focus();
				return false;
		}
		else{
				if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(refer_email_5)){
		
				} else  {
						alert("Invalid E-mail Address! of Person 5 Please re-enter.")
						document.refer_register.refer_email_5.focus();
						return false;
				}
		}
	if((refer_email_1 == refer_email_2) || (refer_email_1 == refer_email_3) || (refer_email_1 == refer_email_4) || (refer_email_1 == refer_email_5) || (refer_email_1 == refer_email_6) || (refer_email_1 == refer_email_7) || (refer_email_1 == refer_email_8) || (refer_email_1 == refer_email_9) || (refer_email_1 == refer_email_10)){
		alert("Same E-mail Address! Kindly Check");
		return false;
	}	
	if((refer_email_2 == refer_email_1) || (refer_email_2 == refer_email_3) || (refer_email_2 == refer_email_4) || (refer_email_2 == refer_email_5) || (refer_email_2 == refer_email_6) || (refer_email_2 == refer_email_7) || (refer_email_2 == refer_email_8) || (refer_email_2 == refer_email_9) || (refer_email_2 == refer_email_10)){
		alert("Same E-mail Address! Kindly Check");
		return false;
	}
	if((refer_email_3 == refer_email_1) || (refer_email_3 == refer_email_2) || (refer_email_3 == refer_email_4) || (refer_email_3 == refer_email_5) || (refer_email_3 == refer_email_6) || (refer_email_3 == refer_email_7) || (refer_email_3 == refer_email_8) || (refer_email_3 == refer_email_9) || (refer_email_3 == refer_email_10)){
		alert("Same E-mail Address! Kindly Check");
		return false;
	}	
	if((refer_email_4 == refer_email_1) || (refer_email_4 == refer_email_2) || (refer_email_4 == refer_email_3) || (refer_email_4 == refer_email_5) || (refer_email_4 == refer_email_6) || (refer_email_4 == refer_email_7) || (refer_email_4 == refer_email_8) || (refer_email_4 == refer_email_9) || (refer_email_4 == refer_email_10)){
		alert("Same E-mail Address! Kindly Check");
		return false;
	}
	if((refer_email_5 == refer_email_1) || (refer_email_5 == refer_email_2) || (refer_email_5 == refer_email_3) || (refer_email_5 == refer_email_4) || (refer_email_5 == refer_email_6) || (refer_email_5 == refer_email_7) || (refer_email_5 == refer_email_8) || (refer_email_5 == refer_email_9) || (refer_email_5 == refer_email_10)){
		alert("Same E-mail Address! Kindly Check");
		return false;
	}		
	}	
	
	if(document.refer_register.check_refer_6.checked == true){
		if((refer_position_6 == "") || (refer_position_6 == " ")){
				alert("Please enter your Position of Person 6");
				document.refer_register.refer_position_6.focus();
				return false;
		}
		if((refer_fname_6 == "") || (refer_fname_6 == " ")){
				alert("Please enter your First Name of Person 6");
				document.refer_register.refer_fname_6.focus();
				return false;
		}
		if((refer_lname_6 == "") || (refer_lname_6 == " ")){
				alert("Please enter your Last Name of Person 6");
				document.refer_register.refer_lname_6.focus();
				return false;
		}	
		if((refer_mob_country_6 == "") || (refer_mob_country_6 == " ")){
			alert("Please enter your Mobile Country Code of Person 6");
			document.refer_register.refer_mob_country_6.focus();
			return false;
		}else if((intreg.test(refer_mob_country_6) == false)){
			alert("Invalid Mobile Country Code of Person 6");
			document.refer_register.refer_mob_country_6.focus();
			return false;
		}	
		if(refer_mob_area_6.length >= 1){
			if((intreg.test(refer_mob_area_6) == false)){
			alert("Please enter your Valid Mobile Area Code of Person 6");
			document.refer_register.refer_mob_area_6.focus();
			return false;
			}
		}
		if((refer_mob_no_6 == "") || (refer_mob_no_6 == " ")){
			alert("Please enter your Mobile Number of Person 6");
			document.refer_register.refer_mob_no_6.focus();
			return false;
		}else if((intreg.test(refer_mob_no_6) == false)){
			alert("Invalid Mobile Number of Person 6");
			document.refer_register.refer_mob_no_6.focus();
			return false;
		}		
		if((refer_email_6 == "") || (refer_email_6 == " ")){
				alert("Please enter your E-mail Address of Person 6");
				document.refer_register.refer_email_6.focus();
				return false;
		}
		else{
				if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(refer_email_6)){
		
				} else  {
						alert("Invalid E-mail Address! of Person 6 Please re-enter.")
						document.refer_register.refer_email_6.focus();
						return false;
				}
		}
	if((refer_email_1 == refer_email_2) || (refer_email_1 == refer_email_3) || (refer_email_1 == refer_email_4) || (refer_email_1 == refer_email_5) || (refer_email_1 == refer_email_6) || (refer_email_1 == refer_email_7) || (refer_email_1 == refer_email_8) || (refer_email_1 == refer_email_9) || (refer_email_1 == refer_email_10)){
		alert("Same E-mail Address! Kindly Check");
		return false;
	}	
	if((refer_email_2 == refer_email_1) || (refer_email_2 == refer_email_3) || (refer_email_2 == refer_email_4) || (refer_email_2 == refer_email_5) || (refer_email_2 == refer_email_6) || (refer_email_2 == refer_email_7) || (refer_email_2 == refer_email_8) || (refer_email_2 == refer_email_9) || (refer_email_2 == refer_email_10)){
		alert("Same E-mail Address! Kindly Check");
		return false;
	}
	if((refer_email_3 == refer_email_1) || (refer_email_3 == refer_email_2) || (refer_email_3 == refer_email_4) || (refer_email_3 == refer_email_5) || (refer_email_3 == refer_email_6) || (refer_email_3 == refer_email_7) || (refer_email_3 == refer_email_8) || (refer_email_3 == refer_email_9) || (refer_email_3 == refer_email_10)){
		alert("Same E-mail Address! Kindly Check");
		return false;
	}	
	if((refer_email_4 == refer_email_1) || (refer_email_4 == refer_email_2) || (refer_email_4 == refer_email_3) || (refer_email_4 == refer_email_5) || (refer_email_4 == refer_email_6) || (refer_email_4 == refer_email_7) || (refer_email_4 == refer_email_8) || (refer_email_4 == refer_email_9) || (refer_email_4 == refer_email_10)){
		alert("Same E-mail Address! Kindly Check");
		return false;
	}
	if((refer_email_5 == refer_email_1) || (refer_email_5 == refer_email_2) || (refer_email_5 == refer_email_3) || (refer_email_5 == refer_email_4) || (refer_email_5 == refer_email_6) || (refer_email_5 == refer_email_7) || (refer_email_5 == refer_email_8) || (refer_email_5 == refer_email_9) || (refer_email_5 == refer_email_10)){
		alert("Same E-mail Address! Kindly Check");
		return false;
	}
	if((refer_email_6 == refer_email_1) || (refer_email_6 == refer_email_2) || (refer_email_6 == refer_email_3) || (refer_email_6 == refer_email_4) || (refer_email_6 == refer_email_5) || (refer_email_6 == refer_email_7) || (refer_email_6 == refer_email_8) || (refer_email_6 == refer_email_9) || (refer_email_6 == refer_email_10)){
		alert("Same E-mail Address! Kindly Check");
		return false;
	}		
	}	
	if(document.refer_register.check_refer_7.checked == true){
		if((refer_position_7 == "") || (refer_position_7 == " ")){
				alert("Please enter your Position of Person 7");
				document.refer_register.refer_position_7.focus();
				return false;
		}
		if((refer_fname_7 == "") || (refer_fname_7 == " ")){
				alert("Please enter your First Name of Person 7");
				document.refer_register.refer_fname_7.focus();
				return false;
		}
		if((refer_lname_7 == "") || (refer_lname_7 == " ")){
				alert("Please enter your Last Name of Person 7");
				document.refer_register.refer_lname_7.focus();
				return false;
		}	
		if((refer_mob_country_7 == "") || (refer_mob_country_7 == " ")){
			alert("Please enter your Mobile Country Code of Person 7");
			document.refer_register.refer_mob_country_7.focus();
			return false;
		}else if((intreg.test(refer_mob_country_7) == false)){
			alert("Invalid Mobile Country Code of Person 7");
			document.refer_register.refer_mob_country_7.focus();
			return false;
		}	
		if(refer_mob_area_7.length >= 1){
			if((intreg.test(refer_mob_area_7) == false)){
			alert("Please enter your Valid Mobile Area Code of Person 7");
			document.refer_register.refer_mob_area_7.focus();
			return false;
			}
		}
		if((refer_mob_no_7 == "") || (refer_mob_no_7 == " ")){
			alert("Please enter your Mobile Number of Person 7");
			document.refer_register.refer_mob_no_7.focus();
			return false;
		}else if((intreg.test(refer_mob_no_7) == false)){
			alert("Invalid Mobile Number of Person 7");
			document.refer_register.refer_mob_no_7.focus();
			return false;
		}		
		if((refer_email_7 == "") || (refer_email_7 == " ")){
				alert("Please enter your E-mail Address of Person 7");
				document.refer_register.refer_email_7.focus();
				return false;
		}
		else{
				if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(refer_email_7)){
		
				} else  {
						alert("Invalid E-mail Address! of Person 7 Please re-enter.")
						document.refer_register.refer_email_7.focus();
						return false;
				}
		}
	if((refer_email_1 == refer_email_2) || (refer_email_1 == refer_email_3) || (refer_email_1 == refer_email_4) || (refer_email_1 == refer_email_5) || (refer_email_1 == refer_email_6) || (refer_email_1 == refer_email_7) || (refer_email_1 == refer_email_8) || (refer_email_1 == refer_email_9) || (refer_email_1 == refer_email_10)){
		alert("Same E-mail Address! Kindly Check");
		return false;
	}	
	if((refer_email_2 == refer_email_1) || (refer_email_2 == refer_email_3) || (refer_email_2 == refer_email_4) || (refer_email_2 == refer_email_5) || (refer_email_2 == refer_email_6) || (refer_email_2 == refer_email_7) || (refer_email_2 == refer_email_8) || (refer_email_2 == refer_email_9) || (refer_email_2 == refer_email_10)){
		alert("Same E-mail Address! Kindly Check");
		return false;
	}
	if((refer_email_3 == refer_email_1) || (refer_email_3 == refer_email_2) || (refer_email_3 == refer_email_4) || (refer_email_3 == refer_email_5) || (refer_email_3 == refer_email_6) || (refer_email_3 == refer_email_7) || (refer_email_3 == refer_email_8) || (refer_email_3 == refer_email_9) || (refer_email_3 == refer_email_10)){
		alert("Same E-mail Address! Kindly Check");
		return false;
	}	
	if((refer_email_4 == refer_email_1) || (refer_email_4 == refer_email_2) || (refer_email_4 == refer_email_3) || (refer_email_4 == refer_email_5) || (refer_email_4 == refer_email_6) || (refer_email_4 == refer_email_7) || (refer_email_4 == refer_email_8) || (refer_email_4 == refer_email_9) || (refer_email_4 == refer_email_10)){
		alert("Same E-mail Address! Kindly Check");
		return false;
	}
	if((refer_email_5 == refer_email_1) || (refer_email_5 == refer_email_2) || (refer_email_5 == refer_email_3) || (refer_email_5 == refer_email_4) || (refer_email_5 == refer_email_6) || (refer_email_5 == refer_email_7) || (refer_email_5 == refer_email_8) || (refer_email_5 == refer_email_9) || (refer_email_5 == refer_email_10)){
		alert("Same E-mail Address! Kindly Check");
		return false;
	}
	if((refer_email_6 == refer_email_1) || (refer_email_6 == refer_email_2) || (refer_email_6 == refer_email_3) || (refer_email_6 == refer_email_4) || (refer_email_6 == refer_email_5) || (refer_email_6 == refer_email_7) || (refer_email_6 == refer_email_8) || (refer_email_6 == refer_email_9) || (refer_email_6 == refer_email_10)){
		alert("Same E-mail Address! Kindly Check");
		return false;
	}
	if((refer_email_7 == refer_email_1) || (refer_email_7 == refer_email_2) || (refer_email_7 == refer_email_3) || (refer_email_7 == refer_email_4) || (refer_email_7 == refer_email_5) || (refer_email_7 == refer_email_6) || (refer_email_7 == refer_email_8) || (refer_email_7 == refer_email_9) || (refer_email_7 == refer_email_10)){
		alert("Same E-mail Address! Kindly Check");
		return false;
	}		
	}
	if(document.refer_register.check_refer_8.checked == true){
		if((refer_position_8 == "") || (refer_position_8 == " ")){
				alert("Please enter your Position of Person 8");
				document.refer_register.refer_position_8.focus();
				return false;
		}
		if((refer_fname_8 == "") || (refer_fname_8 == " ")){
				alert("Please enter your First Name of Person 8");
				document.refer_register.refer_fname_8.focus();
				return false;
		}
		if((refer_lname_8 == "") || (refer_lname_8 == " ")){
				alert("Please enter your Last Name of Person 8");
				document.refer_register.refer_lname_8.focus();
				return false;
		}	
		if((refer_mob_country_8 == "") || (refer_mob_country_8 == " ")){
			alert("Please enter your Mobile Country Code of Person 8");
			document.refer_register.refer_mob_country_8.focus();
			return false;
		}else if((intreg.test(refer_mob_country_8) == false)){
			alert("Invalid Mobile Country Code of Person 8");
			document.refer_register.refer_mob_country_8.focus();
			return false;
		}	
		if(refer_mob_area_8.length >= 1){
			if((intreg.test(refer_mob_area_8) == false)){
			alert("Please enter your Valid Mobile Area Code of Person 8");
			document.refer_register.refer_mob_area_8.focus();
			return false;
			}
		}
		if((refer_mob_no_8 == "") || (refer_mob_no_8 == " ")){
			alert("Please enter your Mobile Number of Person 8");
			document.refer_register.refer_mob_no_8.focus();
			return false;
		}else if((intreg.test(refer_mob_no_8) == false)){
			alert("Invalid Mobile Number of Person 8");
			document.refer_register.refer_mob_no_8.focus();
			return false;
		}		
		if((refer_email_8 == "") || (refer_email_8 == " ")){
				alert("Please enter your E-mail Address of Person 8");
				document.refer_register.refer_email_8.focus();
				return false;
		}
		else{
				if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(refer_email_8)){
		
				} else  {
						alert("Invalid E-mail Address! of Person 8 Please re-enter.")
						document.refer_register.refer_email_8.focus();
						return false;
				}
		}
	if((refer_email_1 == refer_email_2) || (refer_email_1 == refer_email_3) || (refer_email_1 == refer_email_4) || (refer_email_1 == refer_email_5) || (refer_email_1 == refer_email_6) || (refer_email_1 == refer_email_7) || (refer_email_1 == refer_email_8) || (refer_email_1 == refer_email_9) || (refer_email_1 == refer_email_10)){
		alert("Same E-mail Address! Kindly Check");
		return false;
	}	
	if((refer_email_2 == refer_email_1) || (refer_email_2 == refer_email_3) || (refer_email_2 == refer_email_4) || (refer_email_2 == refer_email_5) || (refer_email_2 == refer_email_6) || (refer_email_2 == refer_email_7) || (refer_email_2 == refer_email_8) || (refer_email_2 == refer_email_9) || (refer_email_2 == refer_email_10)){
		alert("Same E-mail Address! Kindly Check");
		return false;
	}
	if((refer_email_3 == refer_email_1) || (refer_email_3 == refer_email_2) || (refer_email_3 == refer_email_4) || (refer_email_3 == refer_email_5) || (refer_email_3 == refer_email_6) || (refer_email_3 == refer_email_7) || (refer_email_3 == refer_email_8) || (refer_email_3 == refer_email_9) || (refer_email_3 == refer_email_10)){
		alert("Same E-mail Address! Kindly Check");
		return false;
	}	
	if((refer_email_4 == refer_email_1) || (refer_email_4 == refer_email_2) || (refer_email_4 == refer_email_3) || (refer_email_4 == refer_email_5) || (refer_email_4 == refer_email_6) || (refer_email_4 == refer_email_7) || (refer_email_4 == refer_email_8) || (refer_email_4 == refer_email_9) || (refer_email_4 == refer_email_10)){
		alert("Same E-mail Address! Kindly Check");
		return false;
	}
	if((refer_email_5 == refer_email_1) || (refer_email_5 == refer_email_2) || (refer_email_5 == refer_email_3) || (refer_email_5 == refer_email_4) || (refer_email_5 == refer_email_6) || (refer_email_5 == refer_email_7) || (refer_email_5 == refer_email_8) || (refer_email_5 == refer_email_9) || (refer_email_5 == refer_email_10)){
		alert("Same E-mail Address! Kindly Check");
		return false;
	}
	if((refer_email_6 == refer_email_1) || (refer_email_6 == refer_email_2) || (refer_email_6 == refer_email_3) || (refer_email_6 == refer_email_4) || (refer_email_6 == refer_email_5) || (refer_email_6 == refer_email_7) || (refer_email_6 == refer_email_8) || (refer_email_6 == refer_email_9) || (refer_email_6 == refer_email_10)){
		alert("Same E-mail Address! Kindly Check");
		return false;
	}
	if((refer_email_7 == refer_email_1) || (refer_email_7 == refer_email_2) || (refer_email_7 == refer_email_3) || (refer_email_7 == refer_email_4) || (refer_email_7 == refer_email_5) || (refer_email_7 == refer_email_6) || (refer_email_7 == refer_email_8) || (refer_email_7 == refer_email_9) || (refer_email_7 == refer_email_10)){
		alert("Same E-mail Address! Kindly Check");
		return false;
	}
	if((refer_email_8 == refer_email_1) || (refer_email_8 == refer_email_2) || (refer_email_8 == refer_email_3) || (refer_email_8 == refer_email_4) || (refer_email_8 == refer_email_5) || (refer_email_8 == refer_email_6) || (refer_email_8 == refer_email_7) || (refer_email_8 == refer_email_9) || (refer_email_8 == refer_email_10)){
		alert("Same E-mail Address! Kindly Check");
		return false;
	}	
	}
	if(document.refer_register.check_refer_9.checked == true){
		if((refer_position_9 == "") || (refer_position_9 == " ")){
				alert("Please enter your Position of Person 9");
				document.refer_register.refer_position_9.focus();
				return false;
		}
		if((refer_fname_9 == "") || (refer_fname_9 == " ")){
				alert("Please enter your First Name of Person 9");
				document.refer_register.refer_fname_9.focus();
				return false;
		}
		if((refer_lname_9 == "") || (refer_lname_9 == " ")){
				alert("Please enter your Last Name of Person 9");
				document.refer_register.refer_lname_9.focus();
				return false;
		}	
		if((refer_mob_country_9 == "") || (refer_mob_country_9 == " ")){
			alert("Please enter your Mobile Country Code of Person 9");
			document.refer_register.refer_mob_country_9.focus();
			return false;
		}else if((intreg.test(refer_mob_country_9) == false)){
			alert("Invalid Mobile Country Code of Person 9");
			document.refer_register.refer_mob_country_9.focus();
			return false;
		}	
		if(refer_mob_area_9.length >= 1){
			if((intreg.test(refer_mob_area_9) == false)){
			alert("Please enter your Valid Mobile Area Code of Person 9");
			document.refer_register.refer_mob_area_9.focus();
			return false;
			}
		}
		if((refer_mob_no_9 == "") || (refer_mob_no_9 == " ")){
			alert("Please enter your Mobile Number of Person 9");
			document.refer_register.refer_mob_no_9.focus();
			return false;
		}else if((intreg.test(refer_mob_no_9) == false)){
			alert("Invalid Mobile Number of Person 9");
			document.refer_register.refer_mob_no_9.focus();
			return false;
		}		
		if((refer_email_9 == "") || (refer_email_9 == " ")){
				alert("Please enter your E-mail Address of Person 9");
				document.refer_register.refer_email_9.focus();
				return false;
		}
		else{
				if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(refer_email_9)){
		
				} else  {
						alert("Invalid E-mail Address! of Person 9 Please re-enter.")
						document.refer_register.refer_email_9.focus();
						return false;
				}
		}
	if((refer_email_1 == refer_email_2) || (refer_email_1 == refer_email_3) || (refer_email_1 == refer_email_4) || (refer_email_1 == refer_email_5) || (refer_email_1 == refer_email_6) || (refer_email_1 == refer_email_7) || (refer_email_1 == refer_email_8) || (refer_email_1 == refer_email_9) || (refer_email_1 == refer_email_10)){
		alert("Same E-mail Address! Kindly Check");
		return false;
	}	
	if((refer_email_2 == refer_email_1) || (refer_email_2 == refer_email_3) || (refer_email_2 == refer_email_4) || (refer_email_2 == refer_email_5) || (refer_email_2 == refer_email_6) || (refer_email_2 == refer_email_7) || (refer_email_2 == refer_email_8) || (refer_email_2 == refer_email_9) || (refer_email_2 == refer_email_10)){
		alert("Same E-mail Address! Kindly Check");
		return false;
	}
	if((refer_email_3 == refer_email_1) || (refer_email_3 == refer_email_2) || (refer_email_3 == refer_email_4) || (refer_email_3 == refer_email_5) || (refer_email_3 == refer_email_6) || (refer_email_3 == refer_email_7) || (refer_email_3 == refer_email_8) || (refer_email_3 == refer_email_9) || (refer_email_3 == refer_email_10)){
		alert("Same E-mail Address! Kindly Check");
		return false;
	}	
	if((refer_email_4 == refer_email_1) || (refer_email_4 == refer_email_2) || (refer_email_4 == refer_email_3) || (refer_email_4 == refer_email_5) || (refer_email_4 == refer_email_6) || (refer_email_4 == refer_email_7) || (refer_email_4 == refer_email_8) || (refer_email_4 == refer_email_9) || (refer_email_4 == refer_email_10)){
		alert("Same E-mail Address! Kindly Check");
		return false;
	}
	if((refer_email_5 == refer_email_1) || (refer_email_5 == refer_email_2) || (refer_email_5 == refer_email_3) || (refer_email_5 == refer_email_4) || (refer_email_5 == refer_email_6) || (refer_email_5 == refer_email_7) || (refer_email_5 == refer_email_8) || (refer_email_5 == refer_email_9) || (refer_email_5 == refer_email_10)){
		alert("Same E-mail Address! Kindly Check");
		return false;
	}
	if((refer_email_6 == refer_email_1) || (refer_email_6 == refer_email_2) || (refer_email_6 == refer_email_3) || (refer_email_6 == refer_email_4) || (refer_email_6 == refer_email_5) || (refer_email_6 == refer_email_7) || (refer_email_6 == refer_email_8) || (refer_email_6 == refer_email_9) || (refer_email_6 == refer_email_10)){
		alert("Same E-mail Address! Kindly Check");
		return false;
	}
	if((refer_email_7 == refer_email_1) || (refer_email_7 == refer_email_2) || (refer_email_7 == refer_email_3) || (refer_email_7 == refer_email_4) || (refer_email_7 == refer_email_5) || (refer_email_7 == refer_email_6) || (refer_email_7 == refer_email_8) || (refer_email_7 == refer_email_9) || (refer_email_7 == refer_email_10)){
		alert("Same E-mail Address! Kindly Check");
		return false;
	}
	if((refer_email_8 == refer_email_1) || (refer_email_8 == refer_email_2) || (refer_email_8 == refer_email_3) || (refer_email_8 == refer_email_4) || (refer_email_8 == refer_email_5) || (refer_email_8 == refer_email_6) || (refer_email_8 == refer_email_7) || (refer_email_8 == refer_email_9) || (refer_email_8 == refer_email_10)){
		alert("Same E-mail Address! Kindly Check");
		return false;
	}
	if((refer_email_9 == refer_email_1) || (refer_email_9 == refer_email_2) || (refer_email_9 == refer_email_3) || (refer_email_9 == refer_email_4) || (refer_email_9 == refer_email_5) || (refer_email_9 == refer_email_6) || (refer_email_9 == refer_email_7) || (refer_email_9 == refer_email_8) || (refer_email_9 == refer_email_10)){
		alert("Same E-mail Address! Kindly Check");
		return false;
	}			
	}
	if(document.refer_register.check_refer_10.checked == true){
		if((refer_position_10 == "") || (refer_position_10 == " ")){
				alert("Please enter your Position of Person 10");
				document.refer_register.refer_position_10.focus();
				return false;
		}
		if((refer_fname_10 == "") || (refer_fname_10 == " ")){
				alert("Please enter your First Name of Person 10");
				document.refer_register.refer_position_10.focus();
				return false;
		}
		if((refer_lname_10 == "") || (refer_lname_10 == " ")){
				alert("Please enter your Last Name of Person 10");
				document.refer_register.refer_lname_10.focus();
				return false;
		}	
		if((refer_mob_country_10 == "") || (refer_mob_country_10 == " ")){
			alert("Please enter your Mobile Country Code of Person 10");
			document.refer_register.refer_mob_country_10.focus();
			return false;
		}else if((intreg.test(refer_mob_country_10) == false)){
			alert("Invalid Mobile Country Code of Person 10");
			document.refer_register.refer_mob_country_10.focus();
			return false;
		}	
		if(refer_mob_area_10.length >= 1){
			if((intreg.test(refer_mob_area_10) == false)){
			alert("Please enter your Valid Mobile Area Code of Person 10");
			document.refer_register.refer_mob_area_10.focus();
			return false;
			}
		}
		if((refer_mob_no_10 == "") || (refer_mob_no_10 == " ")){
			alert("Please enter your Mobile Number of Person 10");
			document.refer_register.refer_mob_no_10.focus();
			return false;
		}else if((intreg.test(refer_mob_no_10) == false)){
			alert("Invalid Mobile Number of Person 10");
			document.refer_register.refer_mob_no_10.focus();
			return false;
		}		
		if((refer_email_10 == "") || (refer_email_10 == " ")){
				alert("Please enter your E-mail Address of Person 10");
				document.refer_register.refer_email_10.focus();
				return false;
		}
		else{
				if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(refer_email_10)){
		
				} else  {
						alert("Invalid E-mail Address! of Person 10 Please re-enter.");
						document.refer_register.refer_email_10.focus();
						return false;
				}
		} 
	if((refer_email_1 == refer_email_2) || (refer_email_1 == refer_email_3) || (refer_email_1 == refer_email_4) || (refer_email_1 == refer_email_5) || (refer_email_1 == refer_email_6) || (refer_email_1 == refer_email_7) || (refer_email_1 == refer_email_8) || (refer_email_1 == refer_email_9) || (refer_email_1 == refer_email_10)){
		alert("Same E-mail Address! Kindly Check");
		return false;
	}	
	if((refer_email_2 == refer_email_1) || (refer_email_2 == refer_email_3) || (refer_email_2 == refer_email_4) || (refer_email_2 == refer_email_5) || (refer_email_2 == refer_email_6) || (refer_email_2 == refer_email_7) || (refer_email_2 == refer_email_8) || (refer_email_2 == refer_email_9) || (refer_email_2 == refer_email_10)){
		alert("Same E-mail Address! Kindly Check");
		return false;
	}
	if((refer_email_3 == refer_email_1) || (refer_email_3 == refer_email_2) || (refer_email_3 == refer_email_4) || (refer_email_3 == refer_email_5) || (refer_email_3 == refer_email_6) || (refer_email_3 == refer_email_7) || (refer_email_3 == refer_email_8) || (refer_email_3 == refer_email_9) || (refer_email_3 == refer_email_10)){
		alert("Same E-mail Address! Kindly Check");
		return false;
	}	
	if((refer_email_4 == refer_email_1) || (refer_email_4 == refer_email_2) || (refer_email_4 == refer_email_3) || (refer_email_4 == refer_email_5) || (refer_email_4 == refer_email_6) || (refer_email_4 == refer_email_7) || (refer_email_4 == refer_email_8) || (refer_email_4 == refer_email_9) || (refer_email_4 == refer_email_10)){
		alert("Same E-mail Address! Kindly Check");
		return false;
	}
	if((refer_email_5 == refer_email_1) || (refer_email_5 == refer_email_2) || (refer_email_5 == refer_email_3) || (refer_email_5 == refer_email_4) || (refer_email_5 == refer_email_6) || (refer_email_5 == refer_email_7) || (refer_email_5 == refer_email_8) || (refer_email_5 == refer_email_9) || (refer_email_5 == refer_email_10)){
		alert("Same E-mail Address! Kindly Check");
		return false;
	}
	if((refer_email_6 == refer_email_1) || (refer_email_6 == refer_email_2) || (refer_email_6 == refer_email_3) || (refer_email_6 == refer_email_4) || (refer_email_6 == refer_email_5) || (refer_email_6 == refer_email_7) || (refer_email_6 == refer_email_8) || (refer_email_6 == refer_email_9) || (refer_email_6 == refer_email_10)){
		alert("Same E-mail Address! Kindly Check");
		return false;
	}
	if((refer_email_7 == refer_email_1) || (refer_email_7 == refer_email_2) || (refer_email_7 == refer_email_3) || (refer_email_7 == refer_email_4) || (refer_email_7 == refer_email_5) || (refer_email_7 == refer_email_6) || (refer_email_7 == refer_email_8) || (refer_email_7 == refer_email_9) || (refer_email_7 == refer_email_10)){
		alert("Same E-mail Address! Kindly Check");
		return false;
	}
	if((refer_email_8 == refer_email_1) || (refer_email_8 == refer_email_2) || (refer_email_8 == refer_email_3) || (refer_email_8 == refer_email_4) || (refer_email_8 == refer_email_5) || (refer_email_8 == refer_email_6) || (refer_email_8 == refer_email_7) || (refer_email_8 == refer_email_9) || (refer_email_8 == refer_email_10)){
		alert("Same E-mail Address! Kindly Check");
		return false;
	}
	if((refer_email_9 == refer_email_1) || (refer_email_9 == refer_email_2) || (refer_email_9 == refer_email_3) || (refer_email_9 == refer_email_4) || (refer_email_9 == refer_email_5) || (refer_email_9 == refer_email_6) || (refer_email_9 == refer_email_7) || (refer_email_9 == refer_email_8) || (refer_email_9 == refer_email_10)){
		alert("Same E-mail Address! Kindly Check");
		return false;
	}	
	if((refer_email_10 == refer_email_1) || (refer_email_10 == refer_email_2) || (refer_email_10 == refer_email_3) || (refer_email_10 == refer_email_4) || (refer_email_10 == refer_email_5) || (refer_email_10 == refer_email_6) || (refer_email_10 == refer_email_7) || (refer_email_10 == refer_email_8) || (refer_email_10 == refer_email_9)){
		alert("Same E-mail Address! Kindly Check");
		return false;
	}		
	}	
	return true;
}
function SetCollButtonStatus()
{
	var refer_position_1 = document.refer_register.refer_position_1.value;
	var refer_position_2 = document.refer_register.refer_position_2.value;
	var refer_position_3 = document.refer_register.refer_position_3.value;
	var refer_position_4 = document.refer_register.refer_position_4.value;
	var refer_position_5 = document.refer_register.refer_position_5.value;
	var refer_position_6 = document.refer_register.refer_position_6.value;
	var refer_position_7 = document.refer_register.refer_position_7.value;
	var refer_position_8 = document.refer_register.refer_position_8.value;
	var refer_position_9 = document.refer_register.refer_position_9.value;
	var refer_position_10 = document.refer_register.refer_position_10.value;
	
	if ( refer_position_1.length >= 3 )
	{		
		document.refer_register.check_refer_1.checked = true;
		document.refer_register.check_refer_box_1.value = 1;
	}else{
		document.refer_register.check_refer_1.checked = false;
		document.refer_register.check_refer_box_1.value = 0;		
	}
	if ( refer_position_2.length >= 3 ){
		document.refer_register.check_refer_2.checked = true;
		document.refer_register.check_refer_box_2.value = 1;
	}else{
		document.refer_register.check_refer_2.checked = false;	
		document.refer_register.check_refer_box_2.value = 0;
	}
	if ( refer_position_3.length >= 3 ){
		document.refer_register.check_refer_3.checked = true;
		document.refer_register.check_refer_box_3.value = 1;
	}else{
		document.refer_register.check_refer_3.checked = false;	
		document.refer_register.check_refer_box_3.value = 0;
	}
	if ( refer_position_4.length >= 3 ){
		document.refer_register.check_refer_4.checked = true;
		document.refer_register.check_refer_box_4.value = 1;
	}else{
		document.refer_register.check_refer_4.checked = false;	
		document.refer_register.check_refer_box_4.value = 0;
	}
	if ( refer_position_5.length >= 3 ){
		document.refer_register.check_refer_5.checked = true;
		document.refer_register.check_refer_box_5.value = 1;
	}else{
		document.refer_register.check_refer_5.checked = false;	
		document.refer_register.check_refer_box_5.value = 0;
	}
	if ( refer_position_6.length >= 3 ){
		document.refer_register.check_refer_6.checked = true;
		document.refer_register.check_refer_box_6.value = 1;
	}else{
		document.refer_register.check_refer_6.checked = false;	
		document.refer_register.check_refer_box_6.value = 0;
	}
	if ( refer_position_7.length >= 3 ){
		document.refer_register.check_refer_7.checked = true;
		document.refer_register.check_refer_box_7.value = 1;
	}else{
		document.refer_register.check_refer_7.checked = false;	
		document.refer_register.check_refer_box_7.value = 0;
	}
	if ( refer_position_8.length >= 3 ){
		document.refer_register.check_refer_8.checked = true;
		document.refer_register.check_refer_box_8.value = 1;
	}else{
		document.refer_register.check_refer_8.checked = false;	
		document.refer_register.check_refer_box_8.value = 0;
	}
	if ( refer_position_9.length >= 3 ){
		document.refer_register.check_refer_9.checked = true;
		document.refer_register.check_refer_box_9.value = 1;
	}else{
		document.refer_register.check_refer_9.checked = false;	
		document.refer_register.check_refer_box_9.value = 0;
	}
	if ( refer_position_10.length >= 3 ){
		document.refer_register.check_refer_10.checked = true;
		document.refer_register.check_refer_box_10.value = 1;
	}else{
		document.refer_register.check_refer_10.checked = false;	
		document.refer_register.check_refer_box_10.value = 0;
	}	
	if((document.refer_register.check_refer_1.checked == true) || (document.refer_register.check_refer_2.checked == true) || (document.refer_register.check_refer_3.checked == true) || (document.refer_register.check_refer_4.checked == true) || (document.refer_register.check_refer_5.checked == true) || (document.refer_register.check_refer_6.checked == true) || (document.refer_register.check_refer_7.checked == true) || (document.refer_register.check_refer_8.checked == true) || (document.refer_register.check_refer_9.checked == true) || (document.refer_register.check_refer_10.checked == true)){
		document.refer_register.submit.disabled = false;
	}else{
		document.refer_register.submit.disabled = true;
	}
}
function SetButtonStatus()
{
	var refer_name_1 = document.refer_a_friend_form.refer_name_1.value;
	var refer_name_2 = document.refer_a_friend_form.refer_name_2.value;
	var refer_name_3 = document.refer_a_friend_form.refer_name_3.value;
	var refer_name_4 = document.refer_a_friend_form.refer_name_4.value;
	var refer_name_5 = document.refer_a_friend_form.refer_name_5.value;
	
	if ( refer_name_1.length >= 9 )
	{		
		document.refer_a_friend_form.check_refer_1.checked = true;
	}else{
		document.refer_a_friend_form.check_refer_1.checked = false;	
	}
	if ( refer_name_2.length >= 9 ){
		document.refer_a_friend_form.check_refer_2.checked = true;
	}else{
		document.refer_a_friend_form.check_refer_2.checked = false;	
	}
	if ( refer_name_3.length >= 9 ){
		document.refer_a_friend_form.check_refer_3.checked = true;
	}else{
		document.refer_a_friend_form.check_refer_3.checked = false;	
	}
	if ( refer_name_4.length >= 9 ){
		document.refer_a_friend_form.check_refer_4.checked = true;
	}else{
		document.refer_a_friend_form.check_refer_4.checked = false;	
	}
	if ( refer_name_5.length >= 9 ){
		document.refer_a_friend_form.check_refer_5.checked = true;
	}else{
		document.refer_a_friend_form.check_refer_5.checked = false;	
	}
	
	if((document.refer_a_friend_form.check_refer_1.checked == true) || (document.refer_a_friend_form.check_refer_2.checked == true) || (document.refer_a_friend_form.check_refer_3.checked == true) || (document.refer_a_friend_form.check_refer_4.checked == true) || (document.refer_a_friend_form.check_refer_5.checked == true)){
		document.refer_a_friend_form.submit.disabled = false;
	}else{
		document.refer_a_friend_form.submit.disabled = true;
	}
}
function ReferAFriend()
{
	var user_email = document.refer_a_friend_form.user_email.value;
	
	var refer_name_1 = document.refer_a_friend_form.refer_name_1.value;
	var refer_name_2 = document.refer_a_friend_form.refer_name_2.value;
	var refer_name_3 = document.refer_a_friend_form.refer_name_3.value;
	var refer_name_4 = document.refer_a_friend_form.refer_name_4.value;
	var refer_name_5 = document.refer_a_friend_form.refer_name_5.value;
	
	var refer_email_1 = document.refer_a_friend_form.refer_email_1.value;
	var refer_email_2 = document.refer_a_friend_form.refer_email_2.value;
	var refer_email_3 = document.refer_a_friend_form.refer_email_3.value;
	var refer_email_4 = document.refer_a_friend_form.refer_email_4.value;
	var refer_email_5 = document.refer_a_friend_form.refer_email_5.value;

	if((user_email == "") || (user_email == " ")){
			alert("Please enter your E-mail Address");
			document.refer_a_friend_form.user_email.focus();
			return false;
	}else{
		if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(user_email)){
			if(document.refer_a_friend_form.check_refer_1.checked = true)
			{
				if (refer_name_1 != "")
				{
					if((refer_email_1 == "") || (refer_email_1 == " ")){
							alert("Please enter your E-mail Address");
							document.refer_a_friend_form.refer_email_1.focus();
							return false;
					}
					else{
							if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(refer_email_1)){
					
							} else  {
									alert("Invalid E-mail Address! Please re-enter.")
									document.refer_a_friend_form.refer_email_1.focus();
									return false
							}
					}
				}
			}
			if(document.refer_a_friend_form.check_refer_2.checked = true)
			{	
				if (refer_name_2 != "")
				{
					if((refer_email_2 == "") || (refer_email_2 == " ")){
							alert("Please enter your E-mail Address");
							document.refer_a_friend_form.refer_email_2.focus();
							return false;
					}
					else{
							if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(refer_email_2)){
					
							} else  {
									alert("Invalid E-mail Address! Please re-enter.")
									document.refer_a_friend_form.refer_email_2.focus();
									return false
							}
					}
				}
			}
			if(document.refer_a_friend_form.check_refer_3.checked = true)
			{	
				if (refer_name_3 != "") 
				{
					if((refer_email_3 == "") || (refer_email_3 == " ")){
							alert("Please enter your E-mail Address");
							document.refer_a_friend_form.refer_email_3.focus();
							return false;
					}
					else{
							if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(refer_email_3)){
					
							} else  {
									alert("Invalid E-mail Address! Please re-enter.")
									document.refer_a_friend_form.refer_email_3.focus();
									return false
							}
					}
				}
			}
			if(document.refer_a_friend_form.check_refer_4.checked = true)
			{
				if (refer_name_4 != "")
				{
					if((refer_email_4 == "") || (refer_email_4 == " ")){
							alert("Please enter your E-mail Address");
							document.refer_a_friend_form.refer_email_4.focus();
							return false;
					}
					else{
							if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(refer_email_4)){
					
							} else  {
									alert("Invalid E-mail Address! Please re-enter.")
									document.refer_a_friend_form.refer_email_4.focus();
									return false
							}
					}
				}
			}
			if(document.refer_a_friend_form.check_refer_5.checked = true)
			{
				if (refer_name_5 != "")
				{
					if((refer_email_5 == "") || (refer_email_5 == " ")){
							alert("Please enter your E-mail Address");
							document.refer_a_friend_form.refer_email_5.focus();
							return false;
					}
					else{
							if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(refer_email_5)){
					
							} else  {
									alert("Invalid E-mail Address! Please re-enter.")
									document.refer_a_friend_form.refer_email_5.focus();
									return false
							}
					}
				}	
			}	
		} else  {
				alert("Invalid E-mail Address! Please re-enter.")
				document.refer_a_friend_form.user_email.focus();
				return false
		}
	}
	
	
	return true;
}
function archive_toggle(element)
{
	// alert(element);
	if (element == '2011')
	{
		document.getElementById("2011").style.display = (document.getElementById("2011").style.display == "none") ? "" : "";
		document.getElementById("2010").style.display = (document.getElementById("2010").style.display == "none") ? "none" : "none";
		document.getElementById("2009").style.display = (document.getElementById("2009").style.display == "none") ? "none" : "none";
		document.getElementById("2008").style.display = (document.getElementById("2008").style.display == "none") ? "none" : "none";
		document.getElementById("2007").style.display = (document.getElementById("2007").style.display == "none") ? "none" : "none";
		document.getElementById("2006").style.display = (document.getElementById("2006").style.display == "none") ? "none" : "none";	
	}
	else if (element == '2010')
	{
		document.getElementById("2011").style.display = (document.getElementById("2011").style.display == "none") ? "none" : "none";
		document.getElementById("2010").style.display = (document.getElementById("2010").style.display == "none") ? "" : "";
		document.getElementById("2009").style.display = (document.getElementById("2009").style.display == "none") ? "none" : "none";
		document.getElementById("2008").style.display = (document.getElementById("2008").style.display == "none") ? "none" : "none";
		document.getElementById("2007").style.display = (document.getElementById("2007").style.display == "none") ? "none" : "none";
		document.getElementById("2006").style.display = (document.getElementById("2006").style.display == "none") ? "none" : "none";
	}else if(element == '2009'){
		document.getElementById("2011").style.display = (document.getElementById("2011").style.display == "none") ? "none" : "none";
		document.getElementById("2010").style.display = (document.getElementById("2010").style.display == "none") ? "none" : "none";
		document.getElementById("2009").style.display = (document.getElementById("2009").style.display == "none") ? "" : "";
		document.getElementById("2008").style.display = (document.getElementById("2008").style.display == "none") ? "none" : "none";
		document.getElementById("2007").style.display = (document.getElementById("2007").style.display == "none") ? "none" : "none";
		document.getElementById("2006").style.display = (document.getElementById("2006").style.display == "none") ? "none" : "none";		
	}else if(element == '2008'){
		document.getElementById("2011").style.display = (document.getElementById("2011").style.display == "none") ? "none" : "none";
		document.getElementById("2010").style.display = (document.getElementById("2010").style.display == "none") ? "none" : "none";
		document.getElementById("2009").style.display = (document.getElementById("2009").style.display == "none") ? "none" : "none";
		document.getElementById("2008").style.display = (document.getElementById("2008").style.display == "none") ? "" : "";
		document.getElementById("2007").style.display = (document.getElementById("2007").style.display == "none") ? "none" : "none";
		document.getElementById("2006").style.display = (document.getElementById("2006").style.display == "none") ? "none" : "none";		
	}else if(element == '2007'){
		document.getElementById("2011").style.display = (document.getElementById("2011").style.display == "none") ? "none" : "none";
		document.getElementById("2010").style.display = (document.getElementById("2010").style.display == "none") ? "none" : "none";
		document.getElementById("2009").style.display = (document.getElementById("2009").style.display == "none") ? "none" : "none";
		document.getElementById("2008").style.display = (document.getElementById("2008").style.display == "none") ? "none" : "none";
		document.getElementById("2007").style.display = (document.getElementById("2007").style.display == "none") ? "" : "";
		document.getElementById("2006").style.display = (document.getElementById("2006").style.display == "none") ? "none" : "none";		
	}else if(element == '2006'){
		document.getElementById("2011").style.display = (document.getElementById("2011").style.display == "none") ? "none" : "none";
		document.getElementById("2010").style.display = (document.getElementById("2010").style.display == "none") ? "none" : "none";
		document.getElementById("2009").style.display = (document.getElementById("2009").style.display == "none") ? "none" : "none";
		document.getElementById("2008").style.display = (document.getElementById("2008").style.display == "none") ? "none" : "none";
		document.getElementById("2007").style.display = (document.getElementById("2007").style.display == "none") ? "none" : "none";
		document.getElementById("2006").style.display = (document.getElementById("2006").style.display == "none") ? "" : "";		
	}
}
function toggle_reset(element){
	//alert(element); 
	document.prereg_form.iffs_event.checked = false;
	document.prereg_form.ha_event.checked = false;
	document.prereg_form.da_event.checked = false;
	if(element != 'exhibitor')
	{
		document.getElementById("visitor").style.display = (document.getElementById("visitor").style.display == "none") ? "none" : "none";
		document.getElementById("visitor_others").style.display = (document.getElementById("visitor_others").style.display == "none") ? "none" : "none";
		document.getElementById("iffs_visitor_preview").style.display = (document.getElementById("iffs_visitor_preview").style.display == "none") ? "none" : "none";
		document.getElementById("iffs_visitor").style.display = (document.getElementById("iffs_visitor").style.display == "none") ? "none" : "none";
		document.getElementById("iffs_visitor_years").style.display = (document.getElementById("iffs_visitor_years").style.display == "none") ? "none" : "none";
		document.getElementById("ha_visitor").style.display = (document.getElementById("iffs_visitor").style.display == "none") ? "none" : "none";
		document.getElementById("da_visitor").style.display = (document.getElementById("iffs_visitor").style.display == "none") ? "none" : "none";		
		document.getElementById("media").style.display = (document.getElementById("media").style.display == "none") ? "none" : "none";	
	}
	if(element != 'visitor')
	{
		document.getElementById("iffs_exhibitor").style.display = (document.getElementById("iffs_exhibitor").style.display == "none") ? "none" : "none";
		document.getElementById("ha_exhibitor").style.display = (document.getElementById("ha_exhibitor").style.display == "none") ? "none" : "none";
		document.getElementById("da_exhibitor").style.display = (document.getElementById("da_exhibitor").style.display == "none") ? "none" : "none";
		// document.getElementById("invoice").style.display = (document.getElementById("invoice").style.display == "none") ? "none" : "none";	
		document.getElementById("media").style.display = (document.getElementById("media").style.display == "none") ? "none" : "none";				
	}
	if(element != 'media')
	{
		document.getElementById("visitor").style.display = (document.getElementById("visitor").style.display == "none") ? "none" : "none";
		document.getElementById("visitor_others").style.display = (document.getElementById("visitor_others").style.display == "none") ? "none" : "none";
		document.getElementById("iffs_visitor_preview").style.display = (document.getElementById("iffs_visitor_preview").style.display == "none") ? "none" : "none";
		document.getElementById("iffs_visitor").style.display = (document.getElementById("iffs_visitor").style.display == "none") ? "none" : "none";
		document.getElementById("iffs_visitor_years").style.display = (document.getElementById("iffs_visitor_years").style.display == "none") ? "none" : "none";
		document.getElementById("ha_visitor").style.display = (document.getElementById("iffs_visitor").style.display == "none") ? "none" : "none";
		document.getElementById("da_visitor").style.display = (document.getElementById("iffs_visitor").style.display == "none") ? "none" : "none";			
		document.getElementById("iffs_exhibitor").style.display = (document.getElementById("iffs_exhibitor").style.display == "none") ? "none" : "none";
		document.getElementById("ha_exhibitor").style.display = (document.getElementById("ha_exhibitor").style.display == "none") ? "none" : "none";
		document.getElementById("da_exhibitor").style.display = (document.getElementById("da_exhibitor").style.display == "none") ? "none" : "none";
		// document.getElementById("invoice").style.display = (document.getElementById("invoice").style.display == "none") ? "none" : "none";		
		document.getElementById("media").style.display = (document.getElementById("media").style.display == "none") ? "none" : "none";	
	}	
}
function toggle(element) {

	var texter = document.getElementById("user_type").value;
	//alert('toggle: '+element); 
	//alert('toggle: '+texter); 
	//var counter = texter.length;
	var counter_my_type = texter.indexOf("my_type=");
	var test = texter.slice(counter_my_type);
	var user_type = test.split("=",2);
	//alert(user_type[1]);
	if((user_type[1]=="visitor") || (element=="visitor_type")){
		 document.getElementById("utype").innerHTML = 'Visitor';
		 document.getElementById("personal").style.display = (document.getElementById("personal").style.display == "none") ? "" : "";
		 document.getElementById("events").style.display = (document.getElementById("events").style.display == "none") ? "" : "";
		 document.getElementById("visitor").style.display = (document.getElementById("visitor").style.display == "none") ? "" : "";
		 document.getElementById("visitor_others").style.display = (document.getElementById("visitor_others").style.display == "none") ? "none" : "none";
		 document.getElementById("iffs_visitor_preview").style.display = (document.getElementById("iffs_visitor_preview").style.display == "none") ? "none" : "none";
		 document.getElementById("submit").style.display = (document.getElementById("submit").style.display == "none") ? "" : "";
	}else if((user_type[1]=="exhibitor") || (element=="exhibitor")){
		document.getElementById("utype").innerHTML = 'Exhibitor';
		document.getElementById("personal").style.display = (document.getElementById("personal").style.display == "none") ? "" : "";
		document.getElementById("events").style.display = (document.getElementById("events").style.display == "none") ? "" : "";
		document.getElementById("submit").style.display = (document.getElementById("submit").style.display == "none") ? "" : "";
	}else if((user_type[1]=="media") || (element=="media_type")){
		document.getElementById("utype").innerHTML = 'Media';
		document.getElementById("personal").style.display = (document.getElementById("personal").style.display == "none") ? "" : "";
		document.getElementById("media").style.display = (document.getElementById("media").style.display == "none") ? "" : "";
		document.getElementById("submit").style.display = (document.getElementById("submit").style.display == "none") ? "" : "";
		document.getElementById("events").style.display = (document.getElementById("events").style.display == "none") ? "none" : "none";
	}
}
function event_toggle(element, id) {
	//var user_type = document.getElementById("user_type").value;
	// alert('event_toggle: '+element);
	// alert(document.prereg_form.iffs_event.checked);
	var texter = document.getElementById("user_type").value;
	var counter_my_type = texter.indexOf("my_type=");
	var test = texter.slice(counter_my_type);
	var user_type = test.split("=",2);
	//alert('event_toggle: '+user_type);
	// alert('event_toggle: '+id);
	if(user_type[1] == "exhibitor")
	{
		if(element=='iffs'){
			if(document.prereg_form.iffs_event.checked == true)
			{
				document.getElementById("iffs_exhibitor").style.display = (document.getElementById("iffs_exhibitor").style.display == "none") ? "" : "";
			}else{
				document.getElementById("iffs_exhibitor").style.display = (document.getElementById("iffs_exhibitor").style.display == "none") ? "none" : "none";
			}
		}else if(element=='ha'){
			if(document.prereg_form.ha_event.checked == true)
			{
				document.getElementById("ha_exhibitor").style.display = (document.getElementById("ha_exhibitor").style.display == "none") ? "" : "";
			}else{
				document.getElementById("ha_exhibitor").style.display = (document.getElementById("ha_exhibitor").style.display == "none") ? "none" : "none";
			}
		}else if(element=='da'){
			if(document.prereg_form.da_event.checked == true)
			{
				document.getElementById("da_exhibitor").style.display = (document.getElementById("da_exhibitor").style.display == "none") ? "" : "";
			}else{
				document.getElementById("da_exhibitor").style.display = (document.getElementById("da_exhibitor").style.display == "none") ? "none" : "none";
			}
		}
	}else if(user_type[1] == "visitor"){
		if(element=='iffs'){
			if(document.prereg_form.iffs_event.checked == true)
			{
				
				document.getElementById("iffs_visitor").style.display = (document.getElementById("iffs_visitor").style.display == "none") ? "" : "";
				document.getElementById("iffs_visitor_years").style.display = (document.getElementById("iffs_visitor_years").style.display == "none") ? "" : "";
				document.getElementById("visitor_others").style.display = (document.getElementById("visitor_others").style.display == "none") ? "" : "";
				document.getElementById("iffs_visitor_preview").style.display = (document.getElementById("iffs_visitor_preview").style.display == "none") ? "" : "";
			}else{
				
				document.getElementById("iffs_visitor").style.display = (document.getElementById("iffs_visitor").style.display == "none") ? "none" : "none";
				document.getElementById("iffs_visitor_years").style.display = (document.getElementById("iffs_visitor_years").style.display == "none") ? "none" : "none";
				
				if(document.prereg_form.ha_event.checked == true || document.prereg_form.da_event.checked == true ){
					document.getElementById("visitor_others").style.display = (document.getElementById("visitor_others").style.display == "none") ? "" : "";
					document.getElementById("iffs_visitor_preview").style.display = (document.getElementById("iffs_visitor_preview").style.display == "none") ? "" : "";
				}else{
					document.getElementById("visitor_others").style.display = (document.getElementById("visitor_others").style.display == "none") ? "none" : "none";
					document.getElementById("iffs_visitor_preview").style.display = (document.getElementById("iffs_visitor_preview").style.display == "none") ? "none" : "none";
				}
				
			}
		}else if(element=='ha'){
			if(document.prereg_form.ha_event.checked == true)
			{
				document.getElementById("ha_visitor").style.display = (document.getElementById("ha_visitor").style.display == "none") ? "" : "";
				document.getElementById("visitor_others").style.display = (document.getElementById("visitor_others").style.display == "none") ? "" : "";
				document.getElementById("iffs_visitor_preview").style.display = (document.getElementById("iffs_visitor_preview").style.display == "none") ? "" : "";
			}else{
				document.getElementById("ha_visitor").style.display = (document.getElementById("ha_visitor").style.display == "none") ? "none" : "none";
				
				if(document.prereg_form.iffs_event.checked == true || document.prereg_form.da_event.checked == true ){
					document.getElementById("visitor_others").style.display = (document.getElementById("visitor_others").style.display == "none") ? "" : "";
					document.getElementById("iffs_visitor_preview").style.display = (document.getElementById("iffs_visitor_preview").style.display == "none") ? "" : "";
				}else{
					document.getElementById("visitor_others").style.display = (document.getElementById("visitor_others").style.display == "none") ? "none" : "none";
					document.getElementById("iffs_visitor_preview").style.display = (document.getElementById("iffs_visitor_preview").style.display == "none") ? "none" : "none";
				}
			}
		}else if(element=='da'){
			if(document.prereg_form.da_event.checked == true)
			{
				document.getElementById("da_visitor").style.display = (document.getElementById("da_visitor").style.display == "none") ? "" : "";
				document.getElementById("visitor_others").style.display = (document.getElementById("visitor_others").style.display == "none") ? "" : "";
				document.getElementById("iffs_visitor_preview").style.display = (document.getElementById("iffs_visitor_preview").style.display == "none") ? "" : "";
			}else{
				document.getElementById("da_visitor").style.display = (document.getElementById("da_visitor").style.display == "none") ? "none" : "none";
				
				if(document.prereg_form.iffs_event.checked == true || document.prereg_form.ha_event.checked == true ){
					document.getElementById("visitor_others").style.display = (document.getElementById("visitor_others").style.display == "none") ? "" : "";
					document.getElementById("iffs_visitor_preview").style.display = (document.getElementById("iffs_visitor_preview").style.display == "none") ? "" : "";
				}else{
					document.getElementById("visitor_others").style.display = (document.getElementById("visitor_others").style.display == "none") ? "none" : "none";
					document.getElementById("iffs_visitor_preview").style.display = (document.getElementById("iffs_visitor_preview").style.display == "none") ? "none" : "none";
				}
			}
		}	
	}
}
function network_toggle(element, id){
	if(element=='iffs'){
		if(document.network_form.iffs_event.checked == true)
		{			
			document.getElementById("iffs_visitor").style.display = (document.getElementById("iffs_visitor").style.display == "none") ? "" : "";
			document.getElementById("submit").style.display = (document.getElementById("submit").style.display == "none") ? "" : "";
			document.getElementById("iffs_visitor_years").style.display = (document.getElementById("iffs_visitor_years").style.display == "none") ? "" : "";
			document.getElementById("visitor_others").style.display = (document.getElementById("visitor_others").style.display == "none") ? "" : "";
			document.getElementById("iffs_visitor_preview").style.display = (document.getElementById("iffs_visitor_preview").style.display == "none") ? "" : "";
		}else{			
			document.getElementById("iffs_visitor").style.display = (document.getElementById("iffs_visitor").style.display == "none") ? "none" : "none";
			document.getElementById("iffs_visitor_years").style.display = (document.getElementById("iffs_visitor_years").style.display == "none") ? "none" : "none";
			if(document.network_form.da_event.checked == false && document.network_form.ha_event.checked == false && document.network_form.iffs_event.checked == false){
				document.getElementById("submit").style.display = (document.getElementById("submit").style.display == "none") ? "none" : "none";
				document.getElementById("visitor_others").style.display = (document.getElementById("visitor_others").style.display == "none") ? "none" : "none";
				document.getElementById("iffs_visitor_preview").style.display = (document.getElementById("iffs_visitor_preview").style.display == "none") ? "none" : "none";
			}			
		}
	}else if(element=='ha'){
		if(document.network_form.ha_event.checked == true)
		{
			document.getElementById("ha_visitor").style.display = (document.getElementById("ha_visitor").style.display == "none") ? "" : "";
			document.getElementById("submit").style.display = (document.getElementById("submit").style.display == "none") ? "" : "";
			document.getElementById("visitor_others").style.display = (document.getElementById("visitor_others").style.display == "none") ? "" : "";
			document.getElementById("iffs_visitor_preview").style.display = (document.getElementById("iffs_visitor_preview").style.display == "none") ? "" : "";
		}else{
			document.getElementById("ha_visitor").style.display = (document.getElementById("ha_visitor").style.display == "none") ? "none" : "none";
			if(document.network_form.da_event.checked == false && document.network_form.ha_event.checked == false && document.network_form.iffs_event.checked == false){
				document.getElementById("submit").style.display = (document.getElementById("submit").style.display == "none") ? "none" : "none";
				document.getElementById("visitor_others").style.display = (document.getElementById("visitor_others").style.display == "none") ? "none" : "none";
				document.getElementById("iffs_visitor_preview").style.display = (document.getElementById("iffs_visitor_preview").style.display == "none") ? "none" : "none";
			}			
		}
	}else if(element=='da'){
		if(document.network_form.da_event.checked == true)
		{
			document.getElementById("da_visitor").style.display = (document.getElementById("da_visitor").style.display == "none") ? "" : "";
			document.getElementById("submit").style.display = (document.getElementById("submit").style.display == "none") ? "" : "";
			document.getElementById("visitor_others").style.display = (document.getElementById("visitor_others").style.display == "none") ? "" : "";
			document.getElementById("iffs_visitor_preview").style.display = (document.getElementById("iffs_visitor_preview").style.display == "none") ? "" : "";
		}else{
			document.getElementById("da_visitor").style.display = (document.getElementById("da_visitor").style.display == "none") ? "none" : "none";
			if(document.network_form.da_event.checked == false && document.network_form.ha_event.checked == false && document.network_form.iffs_event.checked == false){
				document.getElementById("submit").style.display = (document.getElementById("submit").style.display == "none") ? "none" : "none";
				document.getElementById("visitor_others").style.display = (document.getElementById("visitor_others").style.display == "none") ? "none" : "none";
				document.getElementById("iffs_visitor_preview").style.display = (document.getElementById("iffs_visitor_preview").style.display == "none") ? "none" : "none";
			}			
		}
	}
}

function visa_toggle(element, id){
	if(element=='iffs'){
		if(document.visa_form.iffs_event.checked == true)
		{			
			document.getElementById("iffs_visitor").style.display = (document.getElementById("iffs_visitor").style.display == "none") ? "" : "";
			document.getElementById("submit").style.display = (document.getElementById("submit").style.display == "none") ? "" : "";
			document.getElementById("iffs_visitor_years").style.display = (document.getElementById("iffs_visitor_years").style.display == "none") ? "" : "";
			document.getElementById("visitor_others").style.display = (document.getElementById("visitor_others").style.display == "none") ? "" : "";
			document.getElementById("iffs_visitor_preview").style.display = (document.getElementById("iffs_visitor_preview").style.display == "none") ? "" : "";
		}else{			
			document.getElementById("iffs_visitor").style.display = (document.getElementById("iffs_visitor").style.display == "none") ? "none" : "none";
			document.getElementById("iffs_visitor_years").style.display = (document.getElementById("iffs_visitor_years").style.display == "none") ? "none" : "none";
			if(document.visa_form.da_event.checked == false && document.visa_form.ha_event.checked == false && document.visa_form.iffs_event.checked == false){
				document.getElementById("submit").style.display = (document.getElementById("submit").style.display == "none") ? "none" : "none";
				document.getElementById("visitor_others").style.display = (document.getElementById("visitor_others").style.display == "none") ? "none" : "none";
				document.getElementById("iffs_visitor_preview").style.display = (document.getElementById("iffs_visitor_preview").style.display == "none") ? "none" : "none";
			}			
		}
	}else if(element=='ha'){
		if(document.visa_form.ha_event.checked == true)
		{
			document.getElementById("ha_visitor").style.display = (document.getElementById("ha_visitor").style.display == "none") ? "" : "";
			document.getElementById("submit").style.display = (document.getElementById("submit").style.display == "none") ? "" : "";
			document.getElementById("visitor_others").style.display = (document.getElementById("visitor_others").style.display == "none") ? "" : "";
			document.getElementById("iffs_visitor_preview").style.display = (document.getElementById("iffs_visitor_preview").style.display == "none") ? "" : "";
		}else{
			document.getElementById("ha_visitor").style.display = (document.getElementById("ha_visitor").style.display == "none") ? "none" : "none";
			if(document.visa_form.da_event.checked == false && document.visa_form.ha_event.checked == false && document.visa_form.iffs_event.checked == false){
				document.getElementById("submit").style.display = (document.getElementById("submit").style.display == "none") ? "none" : "none";
				document.getElementById("visitor_others").style.display = (document.getElementById("visitor_others").style.display == "none") ? "none" : "none";
				document.getElementById("iffs_visitor_preview").style.display = (document.getElementById("iffs_visitor_preview").style.display == "none") ? "none" : "none";
			}			
		}
	}else if(element=='da'){
		if(document.visa_form.da_event.checked == true)
		{
			document.getElementById("da_visitor").style.display = (document.getElementById("da_visitor").style.display == "none") ? "" : "";
			document.getElementById("submit").style.display = (document.getElementById("submit").style.display == "none") ? "" : "";
			document.getElementById("visitor_others").style.display = (document.getElementById("visitor_others").style.display == "none") ? "" : "";
			document.getElementById("iffs_visitor_preview").style.display = (document.getElementById("iffs_visitor_preview").style.display == "none") ? "" : "";
		}else{
			document.getElementById("da_visitor").style.display = (document.getElementById("da_visitor").style.display == "none") ? "none" : "none";
			if(document.visa_form.da_event.checked == false && document.visa_form.ha_event.checked == false && document.visa_form.iffs_event.checked == false){
				document.getElementById("submit").style.display = (document.getElementById("submit").style.display == "none") ? "none" : "none";
				document.getElementById("visitor_others").style.display = (document.getElementById("visitor_others").style.display == "none") ? "none" : "none";
				document.getElementById("iffs_visitor_preview").style.display = (document.getElementById("iffs_visitor_preview").style.display == "none") ? "none" : "none";
			}			
		}
	}
}

function hotel_toggle(element, id){
	if(element=='iffs'){
		if(document.hotel_form.iffs_event.checked == true)
		{			
			document.getElementById("iffs_visitor").style.display = (document.getElementById("iffs_visitor").style.display == "none") ? "" : "";
			document.getElementById("submit").style.display = (document.getElementById("submit").style.display == "none") ? "" : "";
			document.getElementById("iffs_visitor_years").style.display = (document.getElementById("iffs_visitor_years").style.display == "none") ? "" : "";
			document.getElementById("visitor_others").style.display = (document.getElementById("visitor_others").style.display == "none") ? "" : "";
			document.getElementById("iffs_visitor_preview").style.display = (document.getElementById("iffs_visitor_preview").style.display == "none") ? "" : "";
		}else{			
			document.getElementById("iffs_visitor").style.display = (document.getElementById("iffs_visitor").style.display == "none") ? "none" : "none";
			document.getElementById("iffs_visitor_years").style.display = (document.getElementById("iffs_visitor_years").style.display == "none") ? "none" : "none";
			if(document.hotel_form.da_event.checked == false && document.hotel_form.ha_event.checked == false && document.hotel_form.iffs_event.checked == false){
				document.getElementById("submit").style.display = (document.getElementById("submit").style.display == "none") ? "none" : "none";
				document.getElementById("visitor_others").style.display = (document.getElementById("visitor_others").style.display == "none") ? "none" : "none";
				document.getElementById("iffs_visitor_preview").style.display = (document.getElementById("iffs_visitor_preview").style.display == "none") ? "none" : "none";
			}			
		}
	}else if(element=='ha'){
		if(document.hotel_form.ha_event.checked == true)
		{
			document.getElementById("ha_visitor").style.display = (document.getElementById("ha_visitor").style.display == "none") ? "" : "";
			document.getElementById("submit").style.display = (document.getElementById("submit").style.display == "none") ? "" : "";
			document.getElementById("visitor_others").style.display = (document.getElementById("visitor_others").style.display == "none") ? "" : "";
			document.getElementById("iffs_visitor_preview").style.display = (document.getElementById("iffs_visitor_preview").style.display == "none") ? "" : "";
		}else{
			document.getElementById("ha_visitor").style.display = (document.getElementById("ha_visitor").style.display == "none") ? "none" : "none";
			if(document.hotel_form.da_event.checked == false && document.hotel_form.ha_event.checked == false && document.hotel_form.iffs_event.checked == false){
				document.getElementById("submit").style.display = (document.getElementById("submit").style.display == "none") ? "none" : "none";
				document.getElementById("visitor_others").style.display = (document.getElementById("visitor_others").style.display == "none") ? "none" : "none";
				document.getElementById("iffs_visitor_preview").style.display = (document.getElementById("iffs_visitor_preview").style.display == "none") ? "none" : "none";
			}			
		}
	}else if(element=='da'){
		if(document.hotel_form.da_event.checked == true)
		{
			document.getElementById("da_visitor").style.display = (document.getElementById("da_visitor").style.display == "none") ? "" : "";
			document.getElementById("submit").style.display = (document.getElementById("submit").style.display == "none") ? "" : "";
			document.getElementById("visitor_others").style.display = (document.getElementById("visitor_others").style.display == "none") ? "" : "";
			document.getElementById("iffs_visitor_preview").style.display = (document.getElementById("iffs_visitor_preview").style.display == "none") ? "" : "";
		}else{
			document.getElementById("da_visitor").style.display = (document.getElementById("da_visitor").style.display == "none") ? "none" : "none";
			if(document.hotel_form.da_event.checked == false && document.hotel_form.ha_event.checked == false && document.hotel_form.iffs_event.checked == false){
				document.getElementById("submit").style.display = (document.getElementById("submit").style.display == "none") ? "none" : "none";
				document.getElementById("visitor_others").style.display = (document.getElementById("visitor_others").style.display == "none") ? "none" : "none";
				document.getElementById("iffs_visitor_preview").style.display = (document.getElementById("iffs_visitor_preview").style.display == "none") ? "none" : "none";
			}			
		}
	}
}

function SubscribeNewsLetter()
{
	var firstname = document.subscribe_form.firstname.value;
	var lastname = document.subscribe_form.lastname.value;
	var designation = document.subscribe_form.designation.value;
	var company = document.subscribe_form.company.value;
	var address1 = document.subscribe_form.address1.value;
	var country = document.subscribe_form.country.value;
	var tel_country = document.subscribe_form.tel_country.value;
	var tel_no = document.subscribe_form.tel_no.value;
	var fax_country = document.subscribe_form.fax_country.value;
	var fax_no = document.subscribe_form.fax_no.value;
	var email = document.subscribe_form.email.value;
	var postalcode = document.subscribe_form.postalcode.value;

	if((firstname == "") || (firstname == " ")){
		alert("Please enter your first name");
		document.subscribe_form.firstname.focus();
		return false;
	}
	
	if((lastname == "") || (lastname == " ")){
		alert("Please enter your last name");
		document.subscribe_form.lastname.focus();
		return false;
	}
	
	if((designation == "") || (designation == " ")){
		alert("Please enter your designation");
		document.subscribe_form.designation.focus();
		return false;
	}
	
	if((company == "") || (company == " ")){
		alert("Please enter your company");
		document.subscribe_form.company.focus();
		return false;
	}
	
	if((address1 == "") || (address1 == " ")){
		alert("Please enter your address");
		document.subscribe_form.designation.focus();
		return false;
	}
	
	if((postalcode == "") || (postalcode == " ")){
		alert("Please enter your postal code");
		document.subscribe_form.postalcode.focus();
		return false;
	}	
	
	if((country == "") || (country == " ")){
		alert("Please select your country");
		return false;
	}
	if((tel_country == "") || (tel_country == " ")){
		alert("Please enter your country code");
		document.subscribe_form.tel_country.focus();
		return false;
	}	
	if((tel_no == "") || (tel_no == " ")){
		alert("Please enter your telephone number");
		document.subscribe_form.tel_no.focus();
		return false;
	}	
	if((fax_country == "") || (fax_country == " ")){
		alert("Please enter your fax country code");
		document.subscribe_form.fax_country.focus();
		return false;
	}
	if((fax_no == "") || (fax_no == " ")){
		alert("Please enter your fax number");
		document.subscribe_form.fax_no.focus();
		return false;
	}	
	if((email == "") || (email == " ")){
		alert("Please enter your E-mail Address");
		document.subscribe_form.email.focus();
		return false;
	}
	else{
		if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(email)){	
		} else  {
				alert("Invalid E-mail Address! Please re-enter.")
				document.subscribe_form.email.focus();
				return false;
		}
	}

	return true;
}

function OnlineRegistration(){
	var company = document.prereg_form.company.value;
	var designation = document.prereg_form.designation.value;
	var fname = document.prereg_form.fname.value;
	// var mname = document.prereg_form.mname.value;
	var lname = document.prereg_form.lname.value;
	var address = document.prereg_form.address.value;
	var postal_code = document.prereg_form.postal_code.value;
	var country = document.prereg_form.country.value;
	var city = document.prereg_form.city.value;
	var state = document.prereg_form.state.value;
	var mob_country = document.prereg_form.mob_country.value;
	var mob_area = document.prereg_form.mob_area.value;
	var mob_no = document.prereg_form.mob_no.value;
	var tel_country = document.prereg_form.tel_country.value;
	var tel_area = document.prereg_form.tel_area.value;
	var tel_no = document.prereg_form.tel_no.value;
	var fax_country = document.prereg_form.fax_country.value;
	var fax_area = document.prereg_form.fax_area.value;
	var fax_no = document.prereg_form.fax_no.value;
	var email = document.prereg_form.email.value;
	var website = document.prereg_form.website.value;
	var emailreg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
	var intreg = /^[0-9].*$/;
	var websitereg = /^(((ht|f){1}(tp:[/][/]){1})|((www.){1}))[-a-zA-Z0-9@:%_\+.~#?&//=]+$/;
	var salutationreg = /^(Dr|dr|Prof|prof|Mr|mr|Mrs|mrs|Ms|mrs|Miss|miss|Madam|madam)(\.)?$/;
	
	//user types
	//var user_type = document.prereg_form.user_type.value;

	var texter = document.prereg_form.user_type.value;
	var counter_my_type = texter.indexOf("my_type=");
	var test = texter.slice(counter_my_type);
	var user_type_all = test.split("=",2);
	var user_type = user_type_all[1];

	if((company == "") || (company == " ")){
		alert("Please enter your company");
		document.prereg_form.company.focus();
		return false;
	}
	
	if((designation == "") || (designation == " ")){
		alert("Please enter your designation");
		document.prereg_form.designation.focus();
		return false;
	}
	
	if((fname == "") || (fname == " ")){	
		alert("Please enter your First Name");
		document.prereg_form.fname.focus();
		return false;
	}
	
	if((salutationreg.test(fname) == true)){
		alert("Salutations are not used as names");
		document.prereg_form.fname.focus();
		return false;
	}
		
	
	// if((mname == "") || (mname == " ")){
		// alert("Please enter your Middle Name");
		// document.prereg_form.mname.focus();
		// return false;
	// }
	
	if((lname == "") || (lname == " ")){
		alert("Please enter your Last Name");
		document.prereg_form.lname.focus();
		return false;
	}
	
	if((salutationreg.test(lname) == true)){
		alert("Salutations are not used as names");
		document.prereg_form.lname.focus();
		return false;
	}
	
	if((address == "") || (address == " ")){
		alert("Please enter your Address");
		document.prereg_form.address.focus();
		return false;
	}
	if((city == "") || (city == " ")){
		alert("Please enter your City");
		document.prereg_form.city.focus();
		return false;
	}
	
	if((state == "") || (state == " ")){
		alert("Please enter your State");
		document.prereg_form.state.focus();
		return false;
	}	
	if((postal_code == "") || (postal_code == " ")){
		alert("Please enter your Postal Code");
		document.prereg_form.postal_code.focus();
		return false;
	}
	
	if((country == "") || (country == " ")){
		alert("Please enter your Country");
		document.prereg_form.country.focus();
		return false;
	}
	

	
	if((mob_country == "") || (mob_country == " ")){
		alert("Please enter your Mobile Country Code");
		document.prereg_form.mob_country.focus();
		return false;
	}else if((intreg.test(mob_country) == false)){
		alert("Invalid Mobile Country Code");
		document.prereg_form.mob_country.focus();
		return false;
	}
	
	if(mob_area.length >= 1){
		if((intreg.test(mob_area) == false)){
		alert("Please enter your Valid Mobile Area Code");
		document.prereg_form.mob_area.focus();
		return false;
		}
	}
	
	/*
	if((mob_area == "") || (mob_area == " ") || (intreg.test(mob_area) == false)){
		alert("Please enter your Mobile Area Code");
		document.prereg_form.mob_area.focus();
		return false;
	}
	*/
	
	if((mob_no == "") || (mob_no == " ")){
		alert("Please enter your Mobile Number");
		document.prereg_form.mob_no.focus();
		return false;
	}else if((intreg.test(mob_no) == false)){
		alert("Invalid Mobile Number");
		document.prereg_form.mob_no.focus();
		return false;
	}
	
	if((tel_country == "") || (tel_country == " ") || (intreg.test(tel_country) == false)){
		alert("Please enter your Telephone Country Code");
		document.prereg_form.tel_country.focus();
		return false;
	}
	
	if(tel_area.length >= 1){
		if((intreg.test(tel_area) == false)){
		alert("Please enter your Valid Telephone Area Code");
		document.prereg_form.tel_area.focus();
		return false;
		}
	}
	
	/*
	if((tel_area == "") || (tel_area == " ") || (intreg.test(tel_area) == false)){
		alert("Please enter your Telephone Area Code");
		document.prereg_form.tel_area.focus();
		return false;
	}
	*/
	
	if((tel_no == "") || (tel_no == " ") || (intreg.test(tel_no) == false)){
		alert("Please enter your Telephone Number");
		document.prereg_form.tel_no.focus();
		return false;
	}

	if(fax_country.length >= 1){
		if((intreg.test(fax_country) == false)){
		alert("Please enter your Valid Fax Country Code");
		document.prereg_form.fax_country.focus();
		return false;
		}
	}
	
	if(fax_area.length >= 1){
		if((intreg.test(fax_area) == false)){
		alert("Please enter your Valid Fax Area Code");
		document.prereg_form.fax_area.focus();
		return false;
		}
	}
	
	if(fax_no.length >= 1){
		if((intreg.test(fax_no) == false)){
		alert("Please enter your Valid Fax Number");
		document.prereg_form.fax_no.focus();
		return false;
		}
	}
	
	
	/*
	if((fax_country == "") || (fax_country == " ") || (intreg.test(fax_country) == false)){
		alert("Please enter your Fax Country Code");
		document.prereg_form.fax_country.focus();
		return false;
	}
	
	if((fax_area == "") || (fax_area == " ") || (intreg.test(fax_area) == false)){
		alert("Please enter your Fax Area Code");
		document.prereg_form.fax_area.focus();
		return false;
	}
	
	if((fax_no == "") || (fax_no == " ") || (intreg.test(fax_no) == false)){
		alert("Please enter your Fax Number");
		document.prereg_form.fax_no.focus();
		return false;
	}
	*/
	
	if((email == "") || (email == " ")){
		alert("Please enter your E-mail Address");
		document.prereg_form.email.focus();
		return false;
	}else if((emailreg.test(email) == false)){
		alert("Invalid E-mail Address");
		document.prereg_form.email.focus();
		return false;
	}
	
	if((website)){
		if((websitereg.test(website) == false)){
			alert("Invalid Web Address");
			document.prereg_form.website.focus();
			return false;
		}	
	}

	
	
	
	
	//media variables
	var publicationname = document.prereg_form.publicationname.value;		
	var publicationtype = document.prereg_form.pub_type.checked;
	var PTOthers = document.prereg_form.PTOthers.value;
	
	//exhibitor variables
	var iffs_event = document.prereg_form.iffs_event.checked;
	var ha_event = document.prereg_form.ha_event.checked;
	var da_event = document.prereg_form.da_event.checked;
	
	var sqm_bare_val_iffs = document.prereg_form.sqm_bare_iffs.value;
	var sqm_bare_iffs = document.prereg_form.sqm_bare_iffs.value.length;
	var premium_zone_bare_iffs = document.prereg_form.premium_zone_bare_iffs.checked;
	var standard_zone_bare_iffs = document.prereg_form.standard_zone_bare_iffs.checked;
	
	var sqm_shell_val_iffs = document.prereg_form.sqm_shell_iffs.value;
	var sqm_shell_iffs = document.prereg_form.sqm_shell_iffs.value.length;
	var premium_zone_shell_iffs = document.prereg_form.premium_zone_shell_iffs.checked;
	var standard_zone_shell_iffs = document.prereg_form.standard_zone_shell_iffs.checked;

	var sqm_bare_val_ha = document.prereg_form.sqm_bare_ha.value;
	var sqm_bare_ha = document.prereg_form.sqm_bare_ha.value.length;
	var premium_zone_bare_ha = document.prereg_form.premium_zone_bare_ha.checked;
	var standard_zone_bare_ha = document.prereg_form.standard_zone_bare_ha.checked;
	
	var sqm_shell_val_ha = document.prereg_form.sqm_shell_ha.value;
	var sqm_shell_ha = document.prereg_form.sqm_shell_ha.value.length;
	var premium_zone_shell_ha = document.prereg_form.premium_zone_shell_ha.checked;
	var standard_zone_shell_ha = document.prereg_form.standard_zone_shell_ha.checked;
	
	var sqm_bare_val_da = document.prereg_form.sqm_bare_da.value;
	var sqm_bare_da = document.prereg_form.sqm_bare_da.value.length;
	var premium_zone_bare_da = document.prereg_form.premium_zone_bare_da.checked;
	var standard_zone_bare_da = document.prereg_form.standard_zone_bare_da.checked;
	
	var sqm_shell_val_da = document.prereg_form.sqm_shell_da.value;
	var sqm_shell_da = document.prereg_form.sqm_shell_da.value.length;
	var premium_zone_shell_da = document.prereg_form.premium_zone_shell_da.checked;
	var standard_zone_shell_da = document.prereg_form.standard_zone_shell_da.checked;
	
	var iffs_product_list = document.getElementsByName('iffs_product_list[]');
	var hasChecked_iffs_product_list = false;
	
	var ha_product_list = document.getElementsByName('ha_product_list[]');
	var hasChecked_ha_product_list = false;
	
	var da_product_list = document.getElementsByName('da_product_list[]');
	var hasChecked_da_product_list = false;
	
	//visitor variables
	var sourcing_budget = document.getElementsByName('sourcing_budget[]');
	var hasChecked_sourcing_budget = false;
	
	var business_objectives = document.getElementsByName('business_objectives[]');
	var hasChecked_business_objectives = false;
	
	var about_the_event = document.getElementsByName('about_the_event[]');
	var hasChecked_about_the_event = false;
	
	var preview_visit = document.getElementsByName('preview_visit');
	var hasChecked_preview_visit = false;
	
	var years_attended = document.getElementsByName('years_attended[]');
	var hasChecked_years_attended = false;
	
	var iffs_nature_of_business = document.getElementsByName('iffs_nature_of_business[]');
	var hasChecked_iffs_nature_of_business = false;
	
	var iffs_products_of_interest = document.getElementsByName('iffs_products_of_interest[]');
	var hasChecked_iffs_products_of_interest = false;
	
	var ha_nature_of_business = document.getElementsByName('ha_nature_of_business[]');
	var hasChecked_ha_nature_of_business = false;

	var ha_products_of_interest = document.getElementsByName('ha_products_of_interest[]');
	var hasChecked_ha_products_of_interest = false;
			
	var da_nature_of_business = document.getElementsByName('da_nature_of_business[]');
	var hasChecked_da_nature_of_business = false;

	var da_products_of_interest = document.getElementsByName('da_products_of_interest[]');
	var hasChecked_da_products_of_interest = false;
			
	
	
	//alert(iffs_nature_of_business.length + ' asdasd');
	//return false;
	//media
	if(user_type == "media"){
		
		if((publicationname == "") || (publicationname == " ")){
			alert("Please enter your Publication Name");
			document.prereg_form.publicationname.focus();
			return false;
		}
		
		if(publicationtype == true){
			if((PTOthers == "") || (PTOthers == " ")){
				alert("Please specify your Publication Type");
				document.prereg_form.PTOthers.focus();
				return false;
			}
		}
	}else if(user_type == "exhibitor"){
		
		if(iffs_event == false && ha_event == false && da_event == false){
			alert("Please select a show");
			return false;
		}else{
			
		
		
			if(iffs_event == true){
				
				
				if((sqm_bare_iffs == "") && (sqm_shell_iffs == "")){
					alert("Please choose from either Bare Space or Shell Scheme (IFFS)");
					document.prereg_form.publicationname.focus();
					return false;
				}
				
				if((sqm_bare_iffs >= 1)){
					if((premium_zone_bare_iffs == false) && (standard_zone_bare_iffs == false)){
					alert("Please choose Zones for Bare Space (IFFS)");
					document.prereg_form.sqm_bare_iffs.focus();
					return false;
					}else{
						if((sqm_bare_val_iffs < 80)){
							alert("Minimum Zones for Bar Space is 80sqm (IFFS)");
							document.prereg_form.sqm_bare_iffs.focus();
							return false;
						}
					}
				}
	
				if((sqm_shell_iffs >= 1)){
					if((premium_zone_shell_iffs == false) && (standard_zone_shell_iffs == false)){
					alert("Please choose Zones for Shell Scheme (IFFS)");
					document.prereg_form.sqm_shell_iffs.focus();
					return false;
					}else{
						if((premium_zone_shell_iffs == true) && (sqm_shell_val_iffs < 80)){
							alert("Minimum Zones for Shell Scheme is 80sqm (IFFS)");
							document.prereg_form.sqm_bare_iffs.focus();
							return false;
						}else if((standard_zone_shell_iffs == true) && (sqm_shell_val_iffs < 40)){
							alert("Minimum Zones for Shell Scheme is 40sqm (IFFS)");
							document.prereg_form.sqm_bare_iffs.focus();
							return false;
						}
					}
				}
				

				for (var m = 0; m < iffs_product_list.length; m++){
					if (iffs_product_list[m].checked){
					hasChecked_iffs_product_list = true;
					break;
					}
				}
				
				
				if (hasChecked_iffs_product_list == false){
					alert("Please check at least one product list (IFFS).");
					return false;
				}		
			}
			
			if(ha_event == true){
	
				
				if((sqm_bare_ha == "") && (sqm_shell_ha == "")){
					alert("Please choose from either Bare Space or Shell Scheme (Hospitality Asia)");
					document.prereg_form.publicationname.focus();
					return false;
				}
				
				
				if((sqm_bare_ha >= 1)){
					if((premium_zone_bare_ha == false) && (standard_zone_bare_ha == false)){
					alert("Please choose Zones for Bare Space (Hospitality Asia)");
					document.prereg_form.sqm_bare_ha.focus();
					return false;
					}else{
						if((sqm_bare_val_ha < 80)){
							alert("Minimum Zones for Bar Space is 80sqm (Hospitality Asia)");
							document.prereg_form.sqm_bare_ha.focus();
							return false;
						}
					}
				}
	
				if((sqm_shell_ha >= 1)){
					if((premium_zone_shell_ha == false) && (standard_zone_shell_ha == false)){
					alert("Please choose Zones for Shell Scheme (Hospitality Asia)");
					document.prereg_form.sqm_shell_ha.focus();
					return false;
					}else{
						if((premium_zone_shell_ha == true) && (sqm_shell_val_ha < 80)){
							alert("Minimum Zones for Shell Scheme is 80sqm (Hospitality Asia)");
							document.prereg_form.sqm_shell_ha.focus();
							return false;
						}else if((standard_zone_shell_ha == true) && (sqm_shell_val_ha < 40)){
							alert("Minimum Zones for Shell Scheme is 40sqm (Hospitality Asia)");
							document.prereg_form.sqm_shell_ha.focus();
							return false;
						}
					}
				}
				
				for (var n = 0; n < ha_product_list.length; n++){
					if (ha_product_list[n].checked){
					hasChecked_ha_product_list = true;
					break;
					}
				}
								
				if (hasChecked_ha_product_list == false){
					alert("Please check at least one product list (Hospitality Asia).");
					return false;
				}
							
			}
			
			if(da_event == true){
	
				
				if((sqm_bare_da == "") && (sqm_shell_da == "")){
					alert("Please choose from either Bare Space or Shell Scheme (DecoAsia)");
					document.prereg_form.publicationname.focus();
					return false;
				}
				
				if((sqm_bare_da >= 1)){
					if((premium_zone_bare_da == false) && (standard_zone_bare_da == false)){
					alert("Please choose Zones for Bare Space (DecoAsia)");
					document.prereg_form.sqm_bare_da.focus();
					return false;
					}else{
						if((sqm_bare_val_da < 80)){
							alert("Minimum Zones for Bar Space is 80sqm (DecoAsia)");
							document.prereg_form.sqm_bare_da.focus();
							return false;
						}
					}
				}
	
				if((sqm_shell_da >= 1)){
					if((premium_zone_shell_da == false) && (standard_zone_shell_da == false)){
					alert("Please choose Zones for Shell Scheme (DecoAsia)");
					document.prereg_form.sqm_shell_da.focus();
					return false;
					}else{
						if((premium_zone_shell_da == true) && (sqm_shell_val_da < 80)){
							alert("Minimum Zones for Shell Scheme is 80sqm (DecoAsia)");
							document.prereg_form.sqm_shell_da.focus();
							return false;
						}else if((standard_zone_shell_da == true) && (sqm_shell_val_da < 40)){
							alert("Minimum Zones for Shell Scheme is 40sqm (DecoAsia)");
							document.prereg_form.sqm_shell_da.focus();
							return false;
						}
					}
				}
				
				for (var o = 0; o < da_product_list.length; o++){
					if (da_product_list[o].checked){
					hasChecked_da_product_list = true;
					break;
					}
				}
								
				if (hasChecked_da_product_list == false){
					alert("Please check at least one product list (DecoAsia).");
					return false;
				}
			}
		
		}
	}else if(user_type == "visitor"){

		if(iffs_event == false && ha_event == false && da_event == false){
			alert("Please select a show");
			return false;
		}else{
			
		
		
		
		if(iffs_event == true){
			
			for (var b = 0; b < iffs_nature_of_business.length; b++){
				if (iffs_nature_of_business[b].checked){
				hasChecked_iffs_nature_of_business = true;
				break;
				}
			}
			
			for (var b = 0; b < iffs_products_of_interest.length; b++){
				if (iffs_products_of_interest[b].checked){
				hasChecked_iffs_products_of_interest = true;
				break;
				}
			}
			
			

			if (hasChecked_iffs_nature_of_business == false){
				alert("Please indicate your nature of business (IFFS).");
				//alert(document.prereg_form.iffs_products_of_interest);
				//alert(document.prereg_form.email);
				//document.prereg_form.iffs_products_of_interest[index].focus();
				//document.prereg_form.elements["iffs_products_of_interest"][index].focus();
				//document.prereg_form.iffs_nature_of_business[0].focus();
				return false;
			}
	
			if (hasChecked_iffs_products_of_interest == false){
				alert("Please indicate your products of interest (IFFS).");
				//document.prereg_form.iffs_products_of_interest[0].focus();
				return false;
			}	

			
		}
		
		if(ha_event == true){
			
			for (var b = 0; b < ha_nature_of_business.length; b++){
				if (ha_nature_of_business[b].checked){
				hasChecked_ha_nature_of_business = true;
				break;
				}
			}
			
			for (var b = 0; b < ha_products_of_interest.length; b++){
				if (ha_products_of_interest[b].checked){
				hasChecked_ha_products_of_interest = true;
				break;
				}
			}
			
			if (hasChecked_ha_nature_of_business == false){
				alert("Please indicate your nature of business (Hospitality Asia).");
				//document.prereg_form.ha_nature_of_business[0].focus();
				return false;
			}

			if (hasChecked_ha_products_of_interest == false){
				alert("Please indicate your products of interest (Hospitality Asia).");
				//document.prereg_form.ha_products_of_interest[0].focus();
				return false;
			}
			
			
		}
		
		if(da_event == true){
			
			for (var b = 0; b < da_nature_of_business.length; b++){
				if (da_nature_of_business[b].checked){
				hasChecked_da_nature_of_business = true;
				break;
				}
			}
			
			for (var b = 0; b < da_products_of_interest.length; b++){
				if (da_products_of_interest[b].checked){
				hasChecked_da_products_of_interest = true;
				break;
				}
			}
			
			if (hasChecked_da_nature_of_business == false){
				alert("Please indicate your nature of business (DecoAsia).");
				//document.prereg_form.da_nature_of_business[0].focus();
				return false;
			}

			if (hasChecked_da_products_of_interest == false){
				alert("Please indicate your products of interest (DecoAsia).");
				//document.prereg_form.da_products_of_interest[0].focus();
				return false;
			}	
			
			
		}
		
		for (var i = 0; i < sourcing_budget.length; i++){
			if (sourcing_budget[i].checked){
			hasChecked_sourcing_budget = true;
			break;
			}
		}
		
		for (var x = 0; x < business_objectives.length; x++){
			if (business_objectives[x].checked){
			hasChecked_business_objectives = true;
			break;
			}
		}
		
		for (var y = 0; y < about_the_event.length; y++){
			if (about_the_event[y].checked){
			hasChecked_about_the_event = true;
			break;
			}
		}
		
		for (var z = 0; z < preview_visit.length; z++){
			if (preview_visit[z].checked){
			hasChecked_preview_visit = true;
			break;
			}
		}
		
		
		if (hasChecked_sourcing_budget == false){
			alert("Please check at least one sourcing budget.");
			//document.prereg_form.sourcing_budget [0].focus();
			return false;
		}
		
		
		if (hasChecked_business_objectives == false){
			alert("Please check at least one business objectives.");
			//document.prereg_form.business_objectives[0].focus();
			return false;
		}
		
		if (hasChecked_about_the_event == false){
			alert("Please check at least one option on how did you find us.");
			//document.prereg_form.about_the_event[0].focus();
			return false;
		}
		
		if(iffs_event == true){
			for (var a = 0; a < years_attended.length; a++){
				if (years_attended[a].checked){
				hasChecked_years_attended = true;
				break;
				}
			}
			
			if (hasChecked_years_attended == false){
				alert("Please indicate the years you have attended.");
				//document.prereg_form.years_attended[0].focus();
				return false;
			}		
		}
		
		if (hasChecked_preview_visit == false){
			alert("Please check if you previewed the exhibitors line-up.");
			//document.prereg_form.preview_visit[0].focus();
			return false;
		}
		
		
		}
		
		
		
		
		
		
		
		
		
	}
	
	
}



var dtCh= "/";
var minYear=1900;
var maxYear=2100;

function isInteger(s){
	var i;
    for (i = 0; i < s.length; i++){   
        // Check that current character is number.
        var c = s.charAt(i);
        if (((c < "0") || (c > "9"))) return false;
    }
    // All characters are numbers.
    return true;
}

function stripCharsInBag(s, bag){
	var i;
    var returnString = "";
    // Search through string's characters one by one.
    // If character is not in bag, append to returnString.
    for (i = 0; i < s.length; i++){   
        var c = s.charAt(i);
        if (bag.indexOf(c) == -1) returnString += c;
    }
    return returnString;
}

function daysInFebruary (year){
	// February has 29 days in any year evenly divisible by four,
    // EXCEPT for centurial years which are not also divisible by 400.
    return (((year % 4 == 0) && ( (!(year % 100 == 0)) || (year % 400 == 0))) ? 29 : 28 );
}

function DaysArray(n) {
	for (var i = 1; i <= n; i++) {
		this[i] = 31
		if (i==4 || i==6 || i==9 || i==11) {this[i] = 30}
		if (i==2) {this[i] = 29}
   } 
   return this;
}

function isDate(dtStr){
	var daysInMonth = DaysArray(12);
	var pos1=dtStr.indexOf(dtCh);
	var pos2=dtStr.indexOf(dtCh,pos1+1);
	var strMonth=dtStr.substring(pos1+1,pos2);
	var strDay=dtStr.substring(0,pos1);
	var strYear=dtStr.substring(pos2+1);
	strYr=strYear;
	if (strDay.charAt(0)=="0" && strDay.length>1) strDay=strDay.substring(1)
	if (strMonth.charAt(0)=="0" && strMonth.length>1) strMonth=strMonth.substring(1)
	for (var i = 1; i <= 3; i++) {
		if (strYr.charAt(0)=="0" && strYr.length>1) strYr=strYr.substring(1)
	}
	month=parseInt(strMonth);
	day=parseInt(strDay);
	year=parseInt(strYr);
	if (pos1==-1 || pos2==-1){
		alert("The date format should be : dd/mm/yyyy")
		return false;
	}
	if (strMonth.length<1 || month<1 || month>12){
		alert("Please enter a valid month");
		return false;
	}
	if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
		alert("Please enter a valid day");
		return false;
	}
	if (strYear.length != 4 || year==0 || year<minYear || year>maxYear){
		alert("Please enter a valid 4 digit year between "+minYear+" and "+maxYear);
		return false;
	}
	if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false){
		alert("Please enter a valid date");
		return false;
	}
return true;
}
function validateVisa()
{
	var name= document.visa_form.name.value
	var passport_number= document.visa_form.passport_number.value
	var birth_cal= document.visa_form.birth_cal.value
	var issue_cal= document.visa_form.issue_cal.value
	var expiry_cal= document.visa_form.expiry_cal.value
	var port_of_embarkation= document.visa_form.port_of_embarkation.value
	var arrival_cal= document.visa_form.arrival_cal.value
	var departure_cal= document.visa_form.departure_cal.value
	var company= document.visa_form.company.value
	var job_position= document.visa_form.job_position.value
	var fname= document.visa_form.fname.value
	var lname= document.visa_form.lname.value
	var address= document.visa_form.address.value
	var address_2= document.visa_form.address_2.value
	var city= document.visa_form.city.value
	var state= document.visa_form.state.value
	var postal_code= document.visa_form.postal_code.value
	var country= document.visa_form.country.value
	var mob_country = document.visa_form.mob_country.value;
	var mob_area = document.visa_form.mob_area.value;
	var mob_no = document.visa_form.mob_no.value;	
	var tel_country = document.visa_form.tel_country.value;
	var tel_area = document.visa_form.tel_area.value;
	var tel_no = document.visa_form.tel_no.value;
	var fax_country = document.visa_form.fax_country.value;
	var fax_area = document.visa_form.fax_area.value;
	var fax_no = document.visa_form.fax_no.value;
	var website = document.visa_form.website.value;
	var email = document.visa_form.email.value;

	var iffs_event = document.visa_form.iffs_event.checked;
	var ha_event = document.visa_form.ha_event.checked;
	var da_event = document.visa_form.da_event.checked;
	
	var intreg = /^[0-9].*$/;
	
	if((name == "") || (name == " ")){
		alert("Please enter your name");
		document.visa_form.name.focus();
		return false;
	}
	if((passport_number == "") || (passport_number == " ")){
		alert("Please enter your passport number");
		document.visa_form.passport_number.focus();
		return false;
	}	
	if (isDate(birth_cal)==false){
		document.visa_form.birth_cal.focus();
		return false;
	}
	if (isDate(issue_cal)==false){
		document.visa_form.issue_cal.focus();
		return false
	}	
	if (isDate(expiry_cal)==false){
		document.visa_form.expiry_cal.focus();
		return false
	}	
	if((port_of_embarkation == "") || (port_of_embarkation == " ")){
		alert("Please enter your port of embarkation");
		document.visa_form.passport_number.focus();
		return false;
	}		
	if (isDate(arrival_cal)==false){
		document.visa_form.arrival_cal.focus();
		return false
	}		
	if (isDate(departure_cal)==false){
		document.visa_form.departure_cal.focus();
		return false
	}	
	if((company == "") || (company == " ")){
		alert("Please enter your company");
		document.visa_form.company.focus();
		return false;
	}
	if((job_position == "") || (job_position == " ")){
		alert("Please enter your job position");
		document.visa_form.job_position.focus();
		return false;
	}	
	if((fname == "") || (fname == " ")){
		alert("Please enter your first name");
		document.visa_form.fname.focus();
		return false;
	}
	if((lname == "") || (lname == " ")){
		alert("Please enter your last name");
		document.visa_form.lname.focus();
		return false;
	}	
	if((address == "") || (address == " ")){
		alert("Please enter your address");
		document.visa_form.address.focus();
		return false;
	}
	if((address_2 == "") || (address_2 == " ")){
		alert("Please enter your address 2");
		document.visa_form.address_2.focus();
		return false;
	}
	if((city == "") || (city == " ")){
		alert("Please enter your city");
		document.visa_form.city.focus();
		return false;
	}
	if((state == "") || (state == " ")){
		alert("Please enter your state");
		document.visa_form.state.focus();
		return false;
	}
	if((postal_code == "") || (postal_code == " ")){
		alert("Please enter your postal code");
		document.visa_form.postal_code.focus();
		return false;
	}	
	if((country == "") || (country == " ")){
		alert("Please enter your Country");
		document.visa_form.country.focus();
		return false;
	}	
	if((mob_country == "") || (mob_country == " ") || (intreg.test(mob_country) == false)){
		alert("Please enter your Mobile Country Code");
		document.visa_form.mob_country.focus();
		return false;
	}
	
	if(mob_area.length >= 1){
		if((intreg.test(mob_area) == false)){
		alert("Please enter your Valid Mobile Area Code");
		document.visa_form.mob_area.focus();
		return false;
		}
	}	
	
	if((mob_no == "") || (mob_no == " ") || (intreg.test(mob_no) == false)){
		alert("Please enter your Mobile Number");
		document.visa_form.mob_no.focus();
		return false;
	}
	
	if((tel_country == "") || (tel_country == " ") || (intreg.test(tel_country) == false)){
		alert("Please enter your Telephone Country Code");
		document.visa_form.tel_country.focus();
		return false;
	}
	
	if(tel_area.length >= 1){
		if((intreg.test(tel_area) == false)){
		alert("Please enter your Valid Telephone Area Code");
		document.visa_form.tel_area.focus();
		return false;
		}
	}
	
	if((tel_no == "") || (tel_no == " ") || (intreg.test(tel_no) == false)){
		alert("Please enter your Telephone Number");
		document.visa_form.tel_no.focus();
		return false;
	}

	if(fax_country.length >= 1){
		if((intreg.test(fax_country) == false)){
		alert("Please enter your Valid Fax Country Code");
		document.visa_form.fax_country.focus();
		return false;
		}
	}
	
	if(fax_area.length >= 1){
		if((intreg.test(fax_area) == false)){
		alert("Please enter your Valid Fax Area Code");
		document.visa_form.fax_area.focus();
		return false;
		}
	}
	
	if(fax_no.length >= 1){
		if((intreg.test(fax_no) == false)){
		alert("Please enter your Valid Fax Number");
		document.visa_form.fax_no.focus();
		return false;
		}
	}	
	if((email == "") || (email == " ")){
		alert("Please enter your E-mail Address");
		document.visa_form.email.focus();
		return false;
	}
	else{
		if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(email)){	
		} else  {
				alert("Invalid E-mail Address! Please re-enter.")
				document.visa_form.email.focus();
				return false
		}
	}
	var iffs_nature_of_business = document.getElementsByName('iffs_nature_of_business[]');
	var hasChecked_iffs_nature_of_business = false;
	
	var iffs_products_of_interest = document.getElementsByName('iffs_products_of_interest[]');
	var hasChecked_iffs_products_of_interest = false;	
	
	var ha_nature_of_business = document.getElementsByName('ha_nature_of_business[]');
	var hasChecked_ha_nature_of_business = false;

	var ha_products_of_interest = document.getElementsByName('ha_products_of_interest[]');
	var hasChecked_ha_products_of_interest = false;
	
	var da_nature_of_business = document.getElementsByName('da_nature_of_business[]');
	var hasChecked_da_nature_of_business = false;

	var da_products_of_interest = document.getElementsByName('da_products_of_interest[]');
	var hasChecked_da_products_of_interest = false;	

	var sourcing_budget = document.getElementsByName('sourcing_budget[]');
	var hasChecked_sourcing_budget = false;
	
	var business_objectives = document.getElementsByName('business_objectives[]');
	var hasChecked_business_objectives = false;
	
	var about_the_event = document.getElementsByName('about_the_event[]');
	var hasChecked_about_the_event = false;
	
	var preview_visit = document.getElementsByName('preview_visit');
	var hasChecked_preview_visit = false;
	
	var years_attended = document.getElementsByName('years_attended[]');
	var hasChecked_years_attended = false;
	
	var iffs_nature_of_business = document.getElementsByName('iffs_nature_of_business[]');
	var hasChecked_iffs_nature_of_business = false;
	
	var iffs_products_of_interest = document.getElementsByName('iffs_products_of_interest[]');
	var hasChecked_iffs_products_of_interest = false;
	
	var ha_nature_of_business = document.getElementsByName('ha_nature_of_business[]');
	var hasChecked_ha_nature_of_business = false;

	var ha_products_of_interest = document.getElementsByName('ha_products_of_interest[]');
	var hasChecked_ha_products_of_interest = false;
			
	var da_nature_of_business = document.getElementsByName('da_nature_of_business[]');
	var hasChecked_da_nature_of_business = false;

	var da_products_of_interest = document.getElementsByName('da_products_of_interest[]');
	var hasChecked_da_products_of_interest = false;	
		if(iffs_event == false && ha_event == false && da_event == false){
			alert("Please select a show");
			return false;
		}else{
			
		
		
		
		if(iffs_event == true){
			
			for (var b = 0; b < iffs_nature_of_business.length; b++){
				if (iffs_nature_of_business[b].checked){
				hasChecked_iffs_nature_of_business = true;
				break;
				}
			}
			
			for (var b = 0; b < iffs_products_of_interest.length; b++){
				if (iffs_products_of_interest[b].checked){
				hasChecked_iffs_products_of_interest = true;
				break;
				}
			}
			
			

			if (hasChecked_iffs_nature_of_business == false){
				alert("Please indicate your nature of business (IFFS).");
				//alert(document.prereg_form.iffs_products_of_interest);
				//alert(document.prereg_form.email);
				//document.prereg_form.iffs_products_of_interest[index].focus();
				//document.prereg_form.elements["iffs_products_of_interest"][index].focus();
				//document.prereg_form.iffs_nature_of_business[0].focus();
				return false;
			}
	
			if (hasChecked_iffs_products_of_interest == false){
				alert("Please indicate your products of interest (IFFS).");
				//document.prereg_form.iffs_products_of_interest[0].focus();
				return false;
			}	

			
		}
		
		if(ha_event == true){
			
			for (var b = 0; b < ha_nature_of_business.length; b++){
				if (ha_nature_of_business[b].checked){
				hasChecked_ha_nature_of_business = true;
				break;
				}
			}
			
			for (var b = 0; b < ha_products_of_interest.length; b++){
				if (ha_products_of_interest[b].checked){
				hasChecked_ha_products_of_interest = true;
				break;
				}
			}
			
			if (hasChecked_ha_nature_of_business == false){
				alert("Please indicate your nature of business (Hospitality Asia).");
				//document.prereg_form.ha_nature_of_business[0].focus();
				return false;
			}

			if (hasChecked_ha_products_of_interest == false){
				alert("Please indicate your products of interest (Hospitality Asia).");
				//document.prereg_form.ha_products_of_interest[0].focus();
				return false;
			}
			
			
		}
		
		if(da_event == true){
			
			for (var b = 0; b < da_nature_of_business.length; b++){
				if (da_nature_of_business[b].checked){
				hasChecked_da_nature_of_business = true;
				break;
				}
			}
			
			for (var b = 0; b < da_products_of_interest.length; b++){
				if (da_products_of_interest[b].checked){
				hasChecked_da_products_of_interest = true;
				break;
				}
			}
			
			if (hasChecked_da_nature_of_business == false){
				alert("Please indicate your nature of business (DecoAsia).");
				//document.prereg_form.da_nature_of_business[0].focus();
				return false;
			}

			if (hasChecked_da_products_of_interest == false){
				alert("Please indicate your products of interest (DecoAsia).");
				//document.prereg_form.da_products_of_interest[0].focus();
				return false;
			}	
			
			
		}
		
		for (var i = 0; i < sourcing_budget.length; i++){
			if (sourcing_budget[i].checked){
			hasChecked_sourcing_budget = true;
			break;
			}
		}
		
		for (var x = 0; x < business_objectives.length; x++){
			if (business_objectives[x].checked){
			hasChecked_business_objectives = true;
			break;
			}
		}
		
		for (var y = 0; y < about_the_event.length; y++){
			if (about_the_event[y].checked){
			hasChecked_about_the_event = true;
			break;
			}
		}
		
		for (var z = 0; z < preview_visit.length; z++){
			if (preview_visit[z].checked){
			hasChecked_preview_visit = true;
			break;
			}
		}
		
		
		if (hasChecked_sourcing_budget == false){
			alert("Please check at least one sourcing budget.");
			//document.prereg_form.sourcing_budget [0].focus();
			return false;
		}
		
		
		if (hasChecked_business_objectives == false){
			alert("Please check at least one business objectives.");
			//document.prereg_form.business_objectives[0].focus();
			return false;
		}
		
		if (hasChecked_about_the_event == false){
			alert("Please check at least one option on how did you find us.");
			//document.prereg_form.about_the_event[0].focus();
			return false;
		}
		
		if(iffs_event == true){
			for (var a = 0; a < years_attended.length; a++){
				if (years_attended[a].checked){
				hasChecked_years_attended = true;
				break;
				}
			}
			
			if (hasChecked_years_attended == false){
				alert("Please indicate the years you have attended.");
				//document.prereg_form.years_attended[0].focus();
				return false;
			}		
		}
		
		if (hasChecked_preview_visit == false){
			alert("Please check if you previewed the exhibitors line-up.");
			//document.prereg_form.preview_visit[0].focus();
			return false;
		}
		
		
		}	
    return true
}

function HotelForm(){
	var fname = document.hotel_form.fname.value;
	var fname_1 = document.hotel_form.fname_1.value;
	var fname_2 = document.hotel_form.fname_2.value;
	var lname = document.hotel_form.lname.value;
	var lname_1 = document.hotel_form.lname_1.value;
	var lname_2 = document.hotel_form.lname_2.value;
	var company = document.hotel_form.company.value;
	var designation = document.hotel_form.designation.value;
	var address = document.hotel_form.address.value;
	var address2 = document.hotel_form.address2.value;
	var city = document.hotel_form.city.value;
	var state = document.hotel_form.state.value;
	var postal_code = document.hotel_form.postal_code.value;
	var country = document.hotel_form.country.value;
	var mob_country = document.hotel_form.mob_country.value;
	var mob_area = document.hotel_form.mob_area.value;
	var mob_no = document.hotel_form.mob_no.value;	
	var tel_country = document.hotel_form.tel_country.value;
	var tel_area = document.hotel_form.tel_area.value;
	var tel_no = document.hotel_form.tel_no.value;
	var fax_country = document.hotel_form.fax_country.value;
	var fax_area = document.hotel_form.fax_area.value;
	var fax_no = document.hotel_form.fax_no.value;
	var email = document.hotel_form.email.value;
	var check_in_1 = document.hotel_form.check_in_1.value;
	var check_out_1 = document.hotel_form.check_out_1.value;
	
	
	var arr_flight_no_1 = document.hotel_form.arr_flight_no_1.value;
	var arr_eta_1 = document.hotel_form.arr_eta_1.value;
	var dep_flight_no_1 = document.hotel_form.dep_flight_no_1.value;
	var dep_etd_1 = document.hotel_form.dep_etd_1.value;
	
	var arr_flight_no_2 = document.hotel_form.arr_flight_no_2.value;
	var arr_eta_2 = document.hotel_form.arr_eta_2.value;
	var dep_flight_no_2 = document.hotel_form.dep_flight_no_2.value;
	var dep_etd_2 = document.hotel_form.dep_etd_2.value;
	

	var intreg = /^[0-9].*$/;
	
	var iffs_event = document.hotel_form.iffs_event.checked;
	var ha_event = document.hotel_form.ha_event.checked;
	var da_event = document.hotel_form.da_event.checked;
	
	if((fname == "") || (fname == " ")){
		alert("Please enter your first name");
		document.hotel_form.fname.focus();
		return false;
	}	
	if((lname == "") || (lname == " ")){
		alert("Please enter your last name");
		document.hotel_form.lname.focus();
		return false;
	}	
	if((company == "") || (company == " ")){
		alert("Please enter your company");
		document.hotel_form.company.focus();
		return false;
	}	
	if((designation == "") || (designation == " ")){
		alert("Please enter your job position");
		document.hotel_form.designation.focus();
		return false;
	}	
	if((address == "") || (address == " ")){
		alert("Please enter your address");
		document.hotel_form.address.focus();
		return false;
	}
	if((address2 == "") || (address2 == " ")){
		alert("Please enter your address 2");
		document.hotel_form.address2.focus();
		return false;
	}	
	if((city == "") || (city == " ")){
		alert("Please enter your city");
		document.hotel_form.city.focus();
		return false;
	}
	if((state == "") || (state == " ")){
		alert("Please enter your state");
		document.hotel_form.state.focus();
		return false;
	}	
	if((postal_code == "") || (postal_code == " ")){
		alert("Please enter your postal code");
		document.hotel_form.postal_code.focus();
		return false;
	}	
	if((country == "") || (country == " ")){
		alert("Please enter your Country");
		document.hotel_form.country.focus();
		return false;
	}	
	if((mob_country == "") || (mob_country == " ") || (intreg.test(mob_country) == false)){
		alert("Please enter your Mobile Country Code");
		document.hotel_form.mob_country.focus();
		return false;
	}
	
	if(mob_area.length >= 1){
		if((intreg.test(mob_area) == false)){
		alert("Please enter your Valid Mobile Area Code");
		document.hotel_form.mob_area.focus();
		return false;
		}
	}	
	
	if((mob_no == "") || (mob_no == " ") || (intreg.test(mob_no) == false)){
		alert("Please enter your Mobile Number");
		document.hotel_form.mob_no.focus();
		return false;
	}
	
	if((tel_country == "") || (tel_country == " ") || (intreg.test(tel_country) == false)){
		alert("Please enter your Telephone Country Code");
		document.hotel_form.tel_country.focus();
		return false;
	}
	
	if(tel_area.length >= 1){
		if((intreg.test(tel_area) == false)){
		alert("Please enter your Valid Telephone Area Code");
		document.hotel_form.tel_area.focus();
		return false;
		}
	}
	
	if((tel_no == "") || (tel_no == " ") || (intreg.test(tel_no) == false)){
		alert("Please enter your Telephone Number");
		document.hotel_form.tel_no.focus();
		return false;
	}

	if(fax_country.length >= 1){
		if((intreg.test(fax_country) == false)){
		alert("Please enter your Valid Fax Country Code");
		document.hotel_form.fax_country.focus();
		return false;
		}
	}
	
	if(fax_area.length >= 1){
		if((intreg.test(fax_area) == false)){
		alert("Please enter your Valid Fax Area Code");
		document.hotel_form.fax_area.focus();
		return false;
		}
	}
	
	if(fax_no.length >= 1){
		if((intreg.test(fax_no) == false)){
		alert("Please enter your Valid Fax Number");
		document.hotel_form.fax_no.focus();
		return false;
		}
	}	
	if((email == "") || (email == " ")){
		alert("Please enter your E-mail Address");
		document.hotel_form.email.focus();
		return false;
	}
	else{
		if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(email)){	
		} else  {
				alert("Invalid E-mail Address! Please re-enter.")
				document.hotel_form.email.focus();
				return false
		}
	}	
	if (isDate(check_in_1)==false){
		document.hotel_form.check_in_1.focus();
		return false
	}	
	if (isDate(check_out_1)==false){
		document.hotel_form.check_out_1.focus();
		return false
	}
	var rad_checked=0;
	for (counter = 0; counter < document.hotel_form.room_type_1.length; counter++)
	{
		if (document.hotel_form.room_type_1[counter].checked==true)
		{
			rad_checked=rad_checked+1;
			
		}
	}	
	if(rad_checked==0){
		alert("Please choose room type");
			return false;
	}	
	var rad_checked_1=0;
	for (counter = 0; counter < document.hotel_form.room_nights_1.length; counter++)
	{
		if (document.hotel_form.room_nights_1[counter].checked==true)
		{
			rad_checked_1=rad_checked_1+1;
			
		}
	}	
	if(rad_checked_1==0){
		alert("Please choose no. of nights");
			return false;
	}

	var rad_checked_2=0;
	for (counter = 0; counter < document.hotel_form.smoking_1.length; counter++)
	{
		if (document.hotel_form.smoking_1[counter].checked==true)
		{
			rad_checked_2=rad_checked_2+1;
			
		}
	}	
	if(rad_checked_2==0){
		alert("Please choose other requirements");
			return false;
	}	
		
	// if((fname_1 == "") || (fname_1 == " ")){
		// return true;
	// }else{
		// if((lname_1 == "") || (lname_1 == " ")){
			// alert("Please enter buyer last name");
			// document.hotel_form.lname_1.focus();
			// return false;		
		// }
		// if((arr_flight_no_1 == "") || (arr_flight_no_1 == " ")){
			// alert("Please enter arrival flight no.");
			// document.hotel_form.arr_flight_no_1.focus();
			// return false;
		// }
		// if((arr_eta_1 == "") || (arr_eta_1 == " ")){
			// alert("Please enter estimated time of arrival.");
			// document.hotel_form.arr_eta_1.focus();
			// return false;
		// }
		// if((dep_flight_no_1 == "") || (dep_flight_no_1 == " ")){
			// alert("Please enter departure flight no.");
			// document.hotel_form.dep_flight_no_1.focus();
			// return false;
		// }
		// if((dep_etd_1 == "") || (dep_etd_1 == " ")){
			// alert("Please enter estimated time of departure.");
			// document.hotel_form.dep_etd_1.focus();
			// return false;
		// }			
	// }

	// if((fname_2 == "") || (fname_2 == " ")){
		// return true;
	// }else{
		// if((lname_2 == "") || (lname_2 == " ")){
			// alert("Please enter buyer last name");
			// document.hotel_form.lname_1.focus();
			// return false;		
		// }	
		// if((arr_flight_no_2 == "") || (arr_flight_no_2 == " ")){
			// alert("Please enter arrival flight no.");
			// document.hotel_form.arr_flight_no_2.focus();
			// return false;
		// }
		// if((arr_eta_2 == "") || (arr_eta_2 == " ")){
			// alert("Please enter estimated time of arrival.");
			// document.hotel_form.arr_eta_2.focus();
			// return false;
		// }
		// if((dep_flight_no_2 == "") || (dep_flight_no_2 == " ")){
			// alert("Please enter departure flight no.");
			// document.hotel_form.dep_flight_no_2.focus();
			// return false;
		// }
		// if((dep_etd_2 == "") || (dep_etd_2 == " ")){
			// alert("Please enter estimated time of departure.");
			// document.hotel_form.dep_etd_2.focus();
			// return false;
		// }
	// }
	var iffs_nature_of_business = document.getElementsByName('iffs_nature_of_business[]');
	var hasChecked_iffs_nature_of_business = false;
	
	var iffs_products_of_interest = document.getElementsByName('iffs_products_of_interest[]');
	var hasChecked_iffs_products_of_interest = false;	
	
	var ha_nature_of_business = document.getElementsByName('ha_nature_of_business[]');
	var hasChecked_ha_nature_of_business = false;

	var ha_products_of_interest = document.getElementsByName('ha_products_of_interest[]');
	var hasChecked_ha_products_of_interest = false;
	
	var da_nature_of_business = document.getElementsByName('da_nature_of_business[]');
	var hasChecked_da_nature_of_business = false;

	var da_products_of_interest = document.getElementsByName('da_products_of_interest[]');
	var hasChecked_da_products_of_interest = false;	

	var sourcing_budget = document.getElementsByName('sourcing_budget[]');
	var hasChecked_sourcing_budget = false;
	
	var business_objectives = document.getElementsByName('business_objectives[]');
	var hasChecked_business_objectives = false;
	
	var about_the_event = document.getElementsByName('about_the_event[]');
	var hasChecked_about_the_event = false;
	
	var preview_visit = document.getElementsByName('preview_visit');
	var hasChecked_preview_visit = false;
	
	var years_attended = document.getElementsByName('years_attended[]');
	var hasChecked_years_attended = false;
	
	var iffs_nature_of_business = document.getElementsByName('iffs_nature_of_business[]');
	var hasChecked_iffs_nature_of_business = false;
	
	var iffs_products_of_interest = document.getElementsByName('iffs_products_of_interest[]');
	var hasChecked_iffs_products_of_interest = false;
	
	var ha_nature_of_business = document.getElementsByName('ha_nature_of_business[]');
	var hasChecked_ha_nature_of_business = false;

	var ha_products_of_interest = document.getElementsByName('ha_products_of_interest[]');
	var hasChecked_ha_products_of_interest = false;
			
	var da_nature_of_business = document.getElementsByName('da_nature_of_business[]');
	var hasChecked_da_nature_of_business = false;

	var da_products_of_interest = document.getElementsByName('da_products_of_interest[]');
	var hasChecked_da_products_of_interest = false;	
		if(iffs_event == false && ha_event == false && da_event == false){
			alert("Please select a show");
			return false;
		}else{
			
		
		
		
		if(iffs_event == true){
			
			for (var b = 0; b < iffs_nature_of_business.length; b++){
				if (iffs_nature_of_business[b].checked){
				hasChecked_iffs_nature_of_business = true;
				break;
				}
			}
			
			for (var b = 0; b < iffs_products_of_interest.length; b++){
				if (iffs_products_of_interest[b].checked){
				hasChecked_iffs_products_of_interest = true;
				break;
				}
			}
			
			

			if (hasChecked_iffs_nature_of_business == false){
				alert("Please indicate your nature of business (IFFS).");
				//alert(document.prereg_form.iffs_products_of_interest);
				//alert(document.prereg_form.email);
				//document.prereg_form.iffs_products_of_interest[index].focus();
				//document.prereg_form.elements["iffs_products_of_interest"][index].focus();
				//document.prereg_form.iffs_nature_of_business[0].focus();
				return false;
			}
	
			if (hasChecked_iffs_products_of_interest == false){
				alert("Please indicate your products of interest (IFFS).");
				//document.prereg_form.iffs_products_of_interest[0].focus();
				return false;
			}	

			
		}
		
		if(ha_event == true){
			
			for (var b = 0; b < ha_nature_of_business.length; b++){
				if (ha_nature_of_business[b].checked){
				hasChecked_ha_nature_of_business = true;
				break;
				}
			}
			
			for (var b = 0; b < ha_products_of_interest.length; b++){
				if (ha_products_of_interest[b].checked){
				hasChecked_ha_products_of_interest = true;
				break;
				}
			}
			
			if (hasChecked_ha_nature_of_business == false){
				alert("Please indicate your nature of business (Hospitality Asia).");
				//document.prereg_form.ha_nature_of_business[0].focus();
				return false;
			}

			if (hasChecked_ha_products_of_interest == false){
				alert("Please indicate your products of interest (Hospitality Asia).");
				//document.prereg_form.ha_products_of_interest[0].focus();
				return false;
			}
			
			
		}
		
		if(da_event == true){
			
			for (var b = 0; b < da_nature_of_business.length; b++){
				if (da_nature_of_business[b].checked){
				hasChecked_da_nature_of_business = true;
				break;
				}
			}
			
			for (var b = 0; b < da_products_of_interest.length; b++){
				if (da_products_of_interest[b].checked){
				hasChecked_da_products_of_interest = true;
				break;
				}
			}
			
			if (hasChecked_da_nature_of_business == false){
				alert("Please indicate your nature of business (DecoAsia).");
				//document.prereg_form.da_nature_of_business[0].focus();
				return false;
			}

			if (hasChecked_da_products_of_interest == false){
				alert("Please indicate your products of interest (DecoAsia).");
				//document.prereg_form.da_products_of_interest[0].focus();
				return false;
			}	
			
			
		}
		
		for (var i = 0; i < sourcing_budget.length; i++){
			if (sourcing_budget[i].checked){
			hasChecked_sourcing_budget = true;
			break;
			}
		}
		
		for (var x = 0; x < business_objectives.length; x++){
			if (business_objectives[x].checked){
			hasChecked_business_objectives = true;
			break;
			}
		}
		
		for (var y = 0; y < about_the_event.length; y++){
			if (about_the_event[y].checked){
			hasChecked_about_the_event = true;
			break;
			}
		}
		
		for (var z = 0; z < preview_visit.length; z++){
			if (preview_visit[z].checked){
			hasChecked_preview_visit = true;
			break;
			}
		}
		
		
		if (hasChecked_sourcing_budget == false){
			alert("Please check at least one sourcing budget.");
			//document.prereg_form.sourcing_budget [0].focus();
			return false;
		}
		
		
		if (hasChecked_business_objectives == false){
			alert("Please check at least one business objectives.");
			//document.prereg_form.business_objectives[0].focus();
			return false;
		}
		
		if (hasChecked_about_the_event == false){
			alert("Please check at least one option on how did you find us.");
			//document.prereg_form.about_the_event[0].focus();
			return false;
		}
		
		if(iffs_event == true){
			for (var a = 0; a < years_attended.length; a++){
				if (years_attended[a].checked){
				hasChecked_years_attended = true;
				break;
				}
			}
			
			if (hasChecked_years_attended == false){
				alert("Please indicate the years you have attended.");
				//document.prereg_form.years_attended[0].focus();
				return false;
			}		
		}
		
		if (hasChecked_preview_visit == false){
			alert("Please check if you previewed the exhibitors line-up.");
			//document.prereg_form.preview_visit[0].focus();
			return false;
		}
		
		
		}	
    return true	
}

function validateNetwork(){
	var company = document.network_form.company.value;
	var designation = document.network_form.designation.value;
	var fname = document.network_form.fname.value;
	var mname = document.network_form.mname.value;
	var lname = document.network_form.lname.value;
	var address = document.network_form.address.value;
	var postal_code = document.network_form.postal_code.value;
	var country = document.network_form.country.value;
	var city = document.network_form.city.value;
	var state = document.network_form.state.value;
	var mob_country = document.network_form.mob_country.value;
	var mob_area = document.network_form.mob_area.value;
	var mob_no = document.network_form.mob_no.value;
	var tel_country = document.network_form.tel_country.value;
	var tel_area = document.network_form.tel_area.value;
	var tel_no = document.network_form.tel_no.value;
	var fax_country = document.network_form.fax_country.value;
	var fax_area = document.network_form.fax_area.value;
	var fax_no = document.network_form.fax_no.value;
	var email = document.network_form.email.value;
	var website = document.network_form.website.value;
	var emailreg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
	var intreg = /^[0-9].*$/;
	var websitereg = /^(((ht|f){1}(tp:[/][/]){1})|((www.){1}))[-a-zA-Z0-9@:%_\+.~#?&//=]+$/;
	var salutationreg = /^(Dr|dr|Prof|prof|Mr|mr|Mrs|mrs|Ms|mrs|Miss|miss|Madam|madam)(\.)?$/;
	
	if((company == "") || (company == " ")){
		alert("Please enter your company");
		document.network_form.company.focus();
		return false;
	}
	
	if((designation == "") || (designation == " ")){
		alert("Please enter your designation");
		document.network_form.designation.focus();
		return false;
	}
	
	if((fname == "") || (fname == " ")){	
		alert("Please enter your First Name");
		document.network_form.fname.focus();
		return false;
	}
	
	if((salutationreg.test(fname) == true)){
		alert("Salutations are not used as names");
		document.network_form.fname.focus();
		return false;
	}		
	
	if((lname == "") || (lname == " ")){
		alert("Please enter your Last Name");
		document.network_form.lname.focus();
		return false;
	}
	
	if((salutationreg.test(lname) == true)){
		alert("Salutations are not used as names");
		document.network_form.lname.focus();
		return false;
	}
	
	if((address == "") || (address == " ")){
		alert("Please enter your Address");
		document.network_form.address.focus();
		return false;
	}
	
	if((postal_code == "") || (postal_code == " ")){
		alert("Please enter your Postal Code");
		document.network_form.postal_code.focus();
		return false;
	}
	
	if((country == "") || (country == " ")){
		alert("Please enter your Country");
		document.network_form.country.focus();
		return false;
	}
	
	if((city == "") || (city == " ")){
		alert("Please enter your City");
		document.network_form.city.focus();
		return false;
	}
	
	if((state == "") || (state == " ")){
		alert("Please enter your State");
		document.network_form.state.focus();
		return false;
	}
	
	if((mob_country == "") || (mob_country == " ")){
		alert("Please enter your Mobile Country Code");
		document.network_form.mob_country.focus();
		return false;
	}else if((intreg.test(mob_country) == false)){
		alert("Invalid Mobile Country Code");
		document.network_form.mob_country.focus();
		return false;
	}
	
	if(mob_area.length >= 1){
		if((intreg.test(mob_area) == false)){
		alert("Please enter your Valid Mobile Area Code");
		document.network_form.mob_area.focus();
		return false;
		}
	}

	if((mob_no == "") || (mob_no == " ")){
		alert("Please enter your Mobile Number");
		document.network_form.mob_no.focus();
		return false;
	}else if((intreg.test(mob_no) == false)){
		alert("Invalid Mobile Number");
		document.network_form.mob_no.focus();
		return false;
	}
	
	if((tel_country == "") || (tel_country == " ") || (intreg.test(tel_country) == false)){
		alert("Please enter your Telephone Country Code");
		document.network_form.tel_country.focus();
		return false;
	}
	
	if(tel_area.length >= 1){
		if((intreg.test(tel_area) == false)){
		alert("Please enter your Valid Telephone Area Code");
		document.network_form.tel_area.focus();
		return false;
		}
	}
	
	if((tel_no == "") || (tel_no == " ") || (intreg.test(tel_no) == false)){
		alert("Please enter your Telephone Number");
		document.network_form.tel_no.focus();
		return false;
	}

	if(fax_country.length >= 1){
		if((intreg.test(fax_country) == false)){
		alert("Please enter your Valid Fax Country Code");
		document.network_form.fax_country.focus();
		return false;
		}
	}
	
	if(fax_area.length >= 1){
		if((intreg.test(fax_area) == false)){
		alert("Please enter your Valid Fax Area Code");
		document.network_form.fax_area.focus();
		return false;
		}
	}
	
	if(fax_no.length >= 1){
		if((intreg.test(fax_no) == false)){
		alert("Please enter your Valid Fax Number");
		document.network_form.fax_no.focus();
		return false;
		}
	}	
	if((email == "") || (email == " ")){
		alert("Please enter your E-mail Address");
		document.network_form.email.focus();
		return false;
	}else if((emailreg.test(email) == false)){
		alert("Invalid E-mail Address");
		document.network_form.email.focus();
		return false;
	}
	
	if((website)){
		if((websitereg.test(website) == false)){
			alert("Invalid Web Address");
			document.network_form.website.focus();
			return false;
		}	
	}
	
	var iffs_nature_of_business = document.getElementsByName('iffs_nature_of_business[]');
	var hasChecked_iffs_nature_of_business = false;
	
	var iffs_products_of_interest = document.getElementsByName('iffs_products_of_interest[]');
	var hasChecked_iffs_products_of_interest = false;	
	
	var ha_nature_of_business = document.getElementsByName('ha_nature_of_business[]');
	var hasChecked_ha_nature_of_business = false;

	var ha_products_of_interest = document.getElementsByName('ha_products_of_interest[]');
	var hasChecked_ha_products_of_interest = false;
	
	var da_nature_of_business = document.getElementsByName('da_nature_of_business[]');
	var hasChecked_da_nature_of_business = false;

	var da_products_of_interest = document.getElementsByName('da_products_of_interest[]');
	var hasChecked_da_products_of_interest = false;	

		if(iffs_event == false && ha_event == false && da_event == false){
			alert("Please select a show");
			return false;
		}else{
			
		
		
		
		if(iffs_event == true){
			
			for (var b = 0; b < iffs_nature_of_business.length; b++){
				if (iffs_nature_of_business[b].checked){
				hasChecked_iffs_nature_of_business = true;
				break;
				}
			}
			
			for (var b = 0; b < iffs_products_of_interest.length; b++){
				if (iffs_products_of_interest[b].checked){
				hasChecked_iffs_products_of_interest = true;
				break;
				}
			}
			
			

			if (hasChecked_iffs_nature_of_business == false){
				alert("Please indicate your nature of business (IFFS).");
				//alert(document.prereg_form.iffs_products_of_interest);
				//alert(document.prereg_form.email);
				//document.prereg_form.iffs_products_of_interest[index].focus();
				//document.prereg_form.elements["iffs_products_of_interest"][index].focus();
				//document.prereg_form.iffs_nature_of_business[0].focus();
				return false;
			}
	
			if (hasChecked_iffs_products_of_interest == false){
				alert("Please indicate your products of interest (IFFS).");
				//document.prereg_form.iffs_products_of_interest[0].focus();
				return false;
			}	

			
		}
		
		if(ha_event == true){
			
			for (var b = 0; b < ha_nature_of_business.length; b++){
				if (ha_nature_of_business[b].checked){
				hasChecked_ha_nature_of_business = true;
				break;
				}
			}
			
			for (var b = 0; b < ha_products_of_interest.length; b++){
				if (ha_products_of_interest[b].checked){
				hasChecked_ha_products_of_interest = true;
				break;
				}
			}
			
			if (hasChecked_ha_nature_of_business == false){
				alert("Please indicate your nature of business (Hospitality Asia).");
				//document.prereg_form.ha_nature_of_business[0].focus();
				return false;
			}

			if (hasChecked_ha_products_of_interest == false){
				alert("Please indicate your products of interest (Hospitality Asia).");
				//document.prereg_form.ha_products_of_interest[0].focus();
				return false;
			}
			
			
		}
		
		if(da_event == true){
			
			for (var b = 0; b < da_nature_of_business.length; b++){
				if (da_nature_of_business[b].checked){
				hasChecked_da_nature_of_business = true;
				break;
				}
			}
			
			for (var b = 0; b < da_products_of_interest.length; b++){
				if (da_products_of_interest[b].checked){
				hasChecked_da_products_of_interest = true;
				break;
				}
			}
			
			if (hasChecked_da_nature_of_business == false){
				alert("Please indicate your nature of business (DecoAsia).");
				//document.prereg_form.da_nature_of_business[0].focus();
				return false;
			}

			if (hasChecked_da_products_of_interest == false){
				alert("Please indicate your products of interest (DecoAsia).");
				//document.prereg_form.da_products_of_interest[0].focus();
				return false;
			}	
			
			
		}
	}
	
	return true;
}