//Function To Check Email
function emailCheck(emailStr) 
{
	var checkTLD=1;
	var knownDomsPat=/^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum)$/;
	var emailPat=/^(.+)@(.+)$/;
	var specialChars="\\(\\)><@,;:\\\\\\\"\\.\\[\\]";
	var validChars="\[^\\s" + specialChars + "\]";
	var quotedUser="(\"[^\"]*\")";
	var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;
	//var ipDomainPat=/^((0|1[0-9]{0,2}|2[0-9]{0,1}|2[0-4][0-9]|25[0-5]|[3-9][0-9]{0,1})\.){3}(0|1[0-9]{0,2}|2[0-9]{0,1}|2[0-4][0-9]|25[0-5]|[3-9][0-9]{0,1})$/;
	//var ipDomainPat=/^((0|1[0-9]{0,2}|2[0-9]{0,1}|2[0-4][0-9]|25[0-5]|[3-9][0-9]{0,1})\\.){3}(0|1[0-9]{0,2}|2[0-9]{0,1}|2[0-4][0-9]|25[0-5]|[3-9][0-9]{0,1})$/;
	var atom=validChars + '+';
	//alert("\[^\\s");
	var word="(" + atom + "|" + quotedUser + ")";
	var userPat=new RegExp("^" + word + "(\\." + word + ")*$");
	var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");
	var matchArray=emailStr.match(emailPat);
	//alert(emailStr.match(emailPat));

	if (matchArray==null) 
	{
	    //alert("Email address seems incorrect (check @ and .'s)");
		return false;
	}
	var user=matchArray[1];
	var domain=matchArray[2];
	//alert(matchArray[2])
	for (i=0; i<user.length; i++) 
	{
	    //alert(user.charCodeAt(i));
		if (user.charCodeAt(i)>127) 
		{
	        //alert("Ths username contains invalid characters.");
			return false;
		}
	}
	for (i=0; i<domain.length; i++) 
	{
		if (domain.charCodeAt(i)>127) 
		{
			//alert("Ths domain name contains invalid characters.");
			return false;
		}
	}

	if (user.match(userPat)==null) 
	{
	    //alert("The username doesn't seem to be valid.");
		return false;
	}
	//alert(domain.match(ipDomainPat));
	var IPArray=domain.match(ipDomainPat);
	//alert(IPArray);
	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 atomPat=new RegExp("^" + atom + "$");
	var domArr=domain.split(".");
	var len=domArr.length;
	for (i=0;i<len;i++) 
	{
	//alert(atomPat);
	if (domArr[i].search(atomPat)==-1) 
	{
		//alert("The domain name does not seem to be valid.");
		return false;
	}
	}

	if (checkTLD && domArr[domArr.length-1].length!=2 && domArr[domArr.length-1].search(knownDomsPat)==-1) 
	{
	//alert("The address must end in a well-known domain or two letter " + "country.");
		return false;
	}
	if (len<2) 
	{
	//alert("This address is missing a hostname!");
		return false;
	}
	return true;
}