//<SCRIPT LANGUAGE=JAVASCRIPT>
function emailcheck(emailid) {
	var emailtext = emailid
	var emaillength = emailtext.length;
	var dotpos = emailtext.lastIndexOf('.');
	var rlpos = emailtext.lastIndexOf('@');
	var lrpos = emailtext.indexOf('@');
	var dotlength = emaillength - dotpos -1;
	if ( ( rlpos > 0 ) && ( lrpos > 0 ) && ( rlpos == lrpos ))
	  var atrate = true; 
	else
	 atrate = false; 
	if ( (dotpos > 0) && (( dotlength == 2 )|| ( dotlength == 3 )) && (atrate) )
		   return true;
	else
		   return false;
	}		
//</SCRIPT>