
	var bool=true;
	
	function chkfrm() {
		
		if(checkForm())
			return true
		else
		return false
	}
	
	function checkForm() {

		var fromemail = document.getElementById('fromemail').value;
		var toemail = document.getElementById('toemail').value;
		var message = document.getElementById('message').value;
		//alert (message)
		if (emailCheck(fromemail) && emailCheck(toemail)) {
			if (message == '') {
				if(confirm("Are you sure that you want to send this message without any text?"))
					return true;
				else
					return false;
			}
			return true;
		} else {
			return false;
		}

	 }

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=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;
	var atom=validChars + '+';
	var word="(" + atom + "|" + quotedUser + ")";
	var userPat=new RegExp("^" + word + "(\\." + word + ")*$");
	var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");
	var matchArray=emailStr.match(emailPat);

	if (matchArray==null) {
		alert("Email address seems incorrect, please re-type it again");
		return false;
	}
	var user=matchArray[1];
	var domain=matchArray[2];


	for (i=0; i<user.length; i++) {
		if (user.charCodeAt(i)>127) {
			//alert("Ths username contains invalid characters.");
			alert("Email address seems incorrect, please re-type it again");
			return false;
		}
	}
	for (i=0; i<domain.length; i++) {
		if (domain.charCodeAt(i)>127) {
			//alert("Ths domain name contains invalid characters.");
			alert("Email address seems incorrect, please re-type it again");
			return false;
		}
	}

	// See if "user" is valid 

	if (user.match(userPat)==null) {
		//alert("The username doesn't seem to be valid.");
		alert("Email address seems incorrect, please re-type it again");
		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!");
			alert("Email address seems incorrect, please re-type it again");
			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.");
			alert("Email address seems incorrect, please re-type it again");
			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.");
		alert("Email address seems incorrect, please re-type it again");
		return false;
	}

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

	if (len<2) {
		//alert("This address is missing a hostname!");
		alert("Email address seems incorrect, please re-type it again");
		return false;
	}

	// If we've gotten this far, everything's valid!
	return true;
}

