function IsEmailDirect(emailStr) 
{
	//alert(emailStr);

	//var emailStr=oObject.value;
	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>3) {
	alert("The EMail Address must end in a three-letter domain, or two letter country.");
	return false;
	}

	if (len<2) {
	var errStr="This EMail Address is missing a hostname!";
	alert(errStr);
	return false;
	}
	return true;
}

		function TrimValue(strValue)
					{
					var tmp = "";
					var item_length = strValue.length;
					var item_length_minus_1 = strValue.length - 1;
					for (index = 0; index < item_length; index++)
					{
							if (strValue.charAt(index) != " ")
							{
							tmp += strValue.charAt(index);
							}
							else
							{
							if (tmp.length > 0)
							{
									if (strValue.charAt(index+1) != " " && index != item_length_minus_1)
									{
									tmp += strValue.charAt(index);
									}
							}
							}
					}
					strValue = tmp;
					return strValue;
					}
		
		function CheckMail()
		{
				
				var txt4;
				txt4=document.getElementById("txtEmail");
								
				if(TrimValue(txt4.value)=="")
				{
					alert("Please Enter Email");
					txt4.focus();
					return false;
				}
				else
				{
					if(!IsEmailDirect(TrimValue(txt4.value)))
					{
						txt4.focus();
						return false;
					}
				}
													
			}