<!--
	function check() {
		var valid = "true";
		if(!document.f.email.value) {
			valid = "false";
		}
		if(valid == "true") {
			if(checkmail()) {
				document.f.submit();
			}
			else {
				alert("The email address you entered is not valid, please try again.");
			}
		}
		else {
			alert("The email address you entered is not valid, please try again.");
		}
	}
	
	function checkmail() {
	
		if ((document.f.email.value.length < 6) || (document.f.email.value.indexOf('@') == -1) || (document.f.email.value.indexOf('.') == -1) || (document.f.email.value.indexOf('.@') != -1) || (document.f.email.value.indexOf('@.') != -1) || (document.f.email.value.charAt(0) == '@') ||  (document.f.email.value.charAt(0) == '.') || (document.f.email.value.charAt(document.f.email.value.length - 1) == '@') ||  (document.f.email.value.charAt(document.f.email.value.length - 1) == '.')){
			alert("The email address you entered is not valid, please try again.");
			document.f.email.focus();
			return false;
		}
		else if (document.f.email.value.length != 0){
			var posAt = document.f.email.value.indexOf('@');
			var subStr = document.f.email.value.substring(posAt + 1,document.f.email.value.length);
			var moreAt = subStr.indexOf('@');
			if (moreAt != -1){
				alert("The email address you entered is not valid, please try again.");
				document.f.email.focus();
				return false;
			}
		}
		//if (document.f.email.value != document.f.email2.value) {
		//	alert("The email address does not match, please try again.");
		//	document.f.email.focus();
		//	return false;
		//}
		
		return true;
	
	}
	function sf(){document.f.firstname.focus();}
//-->