// JavaScript Document
function validate()
{
			if (document.getElementById('subscrip').value=="")
			{
				alert("Please Enter Email");
				document.getElementById('subscrip').focus();
				return(false);
			}
			if (document.getElementById('subscrip').value!="")
			{
				pass=document.getElementById('subscrip').value.indexOf('@',0);
				pass1=document.getElementById('subscrip').value.indexOf('.',0);
				if ((pass==-1)||(pass1==-1))
				{
					alert("Not a valid Email Address");
					document.getElementById('subscrip').focus();
					return(false);
				}
				else
				{
					document.sub.submit();
				}
			}
   	
 }
 
 function IsEmail(oObject) {
	var emailStr=oObject;
	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. Please check or register fresh");
		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>4) {
		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;
}