function checklength(val)
	{
		if(val.length == 0) return false;
		for(var j=val.length;j > 0;j--)
		{
			if(val.charAt(j-1) != ' ')
			{
				return true;
			}
		}
		return false;
	}
	
	function emailCheck(val)
	{
	var EmailOk  = true
	var Temp     = val;
	var AtSym    = Temp.indexOf('@')
	var Period   = Temp.lastIndexOf('.')
	var Space    = Temp.indexOf(' ')
	var Length   = Temp.length - 1   // Array is from 0 to length-1

		if ((AtSym < 1) ||                 // '@' cannot be in first position
	    (Period <= AtSym+1) ||             // Must be atleast one valid char btwn '@' and '.'
	    (Period == Length ) ||             // Must be atleast one valid char after '.'
	    (Space  != -1))                    // No empty spaces permitted
	 	{
	    	  return false;
	 	}
	   	return true;
	}					
	
	function valForm(frm)
	{
	for(var i=0;i < frm.elements.length;i++)
	{
		if(document.emailForm.fName.value == "")
		{
			alert("Please fill your first name.");
			return false;
		}
		if(document.emailForm.lName.value == "")
		{
			alert("Please fill your Last name.");
			return false;
		}				
	}
	if(!emailCheck(frm.emailAddress.value))
	{
		alert("Please enter a valid email address.");
		if(!document.layers) frm.emailAddress.style.backgroundColor='yellow';
		frm.emailAddress.focus();
		return false;
	}
	
	if(document.emailForm.emailAddress.value != document.emailForm.confirmemail.value)
			{
	alert("The two email addresses do not match!");
	return false;
	}
	return true;
	}
	
	
	function signup() {
		var emailAddress = trimString(document.emailForm.emailAddress.value);
		var form = document.emailForm;
		
		if(valForm(form)) {
			var CONTEST = trimString(document.emailForm.CONTEST.value);
			var emailPref = trimString(document.emailForm.emailPref.value);
			var fName = trimString(document.emailForm.fName.value);
			var lName = trimString(document.emailForm.lName.value);

			var responsysURL = "http://cbk.rsys1.net/servlet/campaignrespondent";

			var newIframe = '<iframe src="' + responsysURL + '" height="1" width="1"></iframe>';
			
			document.getElementById('hiddenIframe').innerHTML = newIframe;
			
			setTimeout("document.emailForm.submit()", 4000);
		} 
	}