function emailCheck(emailStr) {
	var emailPat=/^(.+)@(.+)$/;
	var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]";
	var validChars="\[^\\s" + specialChars + "\]";
	var quotedUser="(\"[^\"]*\")";
	var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;
	var atom=validChars + '+';
	var word="(" + atom + "|" + quotedUser + ")";
	var userPat=new RegExp("^" + word + "(\\." + word + ")*$");
	var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");
	var matchArray=emailStr.match(emailPat);
	if (matchArray==null) {
		alert("Email address seems incorrect (check @ and .'s)");
		return false;
	}
	var user=matchArray[1];
	var domain=matchArray[2];
	if (user.match(userPat)==null) {
		alert("The username doesn't seem to be valid.");
		return false;
	}
	var IPArray=domain.match(ipDomainPat);
	if (IPArray!=null) {
		  for (var i=1;i<=4;i++) {
			if (IPArray[i]>255) {
				alert("Destination IP address is invalid!");
			return false;
			}
		}
		return true;
	}
	var domainArray=domain.match(domainPat);
	if (domainArray==null) {
		alert("The domain name doesn't seem to be valid.");
		return false;
	}
	var atomPat=new RegExp(atom,"g");
	var domArr=domain.match(atomPat);
	var len=domArr.length;
	if (domArr[domArr.length-1].length<2 || 
		domArr[domArr.length-1].length>3) {
	   alert("The address must end in a three-letter domain, or two letter country.");
	   return false;
	}
	if (len<2) {
	   var errStr="This address is missing a hostname!";
	   alert(errStr);
	   return false;
	}
	return true;
}

function UPTvalidateform(thisform) {
	if(thisform.val_1.value == "") {	
		alert("Please enter a value for First Name");
		return true;
	}
	if(emailCheck(thisform.email.value)) {
		return false;
	}
	else {
		return true;
	}
}

var sampWin;
var privWin;
function popWin(url,name,h,w){
	var win = name;
	if(!win||win.closed){
		win = window.open(url,name,'menubar=no,scrollbars=yes,resizable=yes,locationbar=no,personalbar=no,statusbar=no,toolbar=no,width='+h+',height='+w+'');
	} else {
		win = window.open(url,name,'menubar=no,scrollbars=yes,resizable=yes,locationbar=no,personalbar=no,statusbar=no,toolbar=no,width='+h+',height='+w+'');
		win.focus();
	}
}