function frmcheck()
{
		if(document.frm.name.value=="")
		{
			alert("Name can not be left blank");
			document.frm.name.focus();
			return false;
		}
		if(document.frm.email.value=="")
		{
			alert("Email address can not be left blank");
			document.frm.email.focus();
			return false;
		}
		if(!checkemail(document.frm.email.value))
		{
		document.frm.email.focus();
		return false;
		}
		return true;
}
function checkemail(emailStr)
{
	//email validation
	var 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=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;
	var atom=validChars + '+';
	var word="(" + atom + "|" + quotedUser + ")";
	var userPat=new RegExp("^" + word + "(\\." + word + ")*$");
	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];
	for (i=0; i<user.length; i++) 
	{
	if (user.charCodeAt(i)>127) 
	{
	alert("Ths Email Address 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;
	}
	}
	// See if "user" is valid 
	if (user.match(userPat)==null) {
	// user is not valid
	alert("The username doesn't seem to be valid.");
	return false;
	}
	/* if the e-mail address is at an IP address (as opposed to a symbolic
	host name) make sure the IP address is valid. */
	var IPArray=domain.match(ipDomainPat);
	if (IPArray!=null) {
	// this is an IP address
		for (var i=1;i<=4;i++) {
			if (IPArray[i]>255) {
			alert("Destination IP address is invalid!");
			return false;
			}
		}
		return true;
	}
	// Domain is symbolic name.  Check if it's valid.
	var atomPat=new RegExp("^" + atom + "$");
	var domArr=domain.split(".");
	var len=domArr.length;
	for (i=0;i<len;i++) {
		if (domArr[i].search(atomPat)==-1) {
			alert("The domain name does not seem to be valid.");
			return false;
		   }
	   return true;
	}

	/* domain name seems valid, but now make sure that it ends in a
	known top-level domain (like com, edu, gov) or a two-letter word,
	representing country (uk, nl), and that there's a hostname preceding 
	the domain or country. */


	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 or Your 'DOMAIN Name' Should NOT!! be in Capital Letters .");



	return false;



	}







	// Make sure there's a host name preceding the domain.







	if (len<2) {



	alert("This address is missing a hostname!");



	return false;



	}



}