<!--
	function echeck(str) 
	{
			var at="@"
			var dot="."
			var lat=str.indexOf(at)
			var lstr=str.length
			var ldot=str.indexOf(dot)
			if (str.indexOf(at)==-1){
			   alert("Invalid E-mail ID")
			   return false
			}
			if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
			   alert("Invalid E-mail ID")
			   return false
			}
			if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
			    alert("Invalid E-mail ID")
			    return false
			}
			 if (str.indexOf(at,(lat+1))!=-1){
			    alert("Invalid E-mail ID")
			    return false
			 }
			 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
			    alert("Invalid E-mail ID")
			    return false
			 }
			 if (str.indexOf(dot,(lat+2))==-1){
			    alert("Invalid E-mail ID")
			    return false
			 }
			 if (str.indexOf(" ")!=-1){
			    alert("Invalid E-mail ID")
			    return false
			 }
 			 return true					
		}	

function IsEmpty(fld,mesg)
  {
  	reg = / /g;
  	str = fld.value;
  	res = str.replace(reg,"");
	reg = /\s/g;
	res = res.replace(reg,"");
  	if(res == "")
  	{
  		alert(mesg);
  		fld.value="";
  		fld.focus();
  		return false;
  	}		
  	return true;
  }
  
// function IsNumeric(fld,mesg)
//{
//var NumericRegExp = "1";
//var regex = new RegExp(NumericRegExp);
//if (!regex.test(fld))
//{
//alert(mesg);
//return false;
//}
//else
//{
//return true;
//}
//}

//function IsNumeric(fld,mesg)
 // {
  //	reg = / /g;
  //	str = fld.value;
  //	res = str.replace(reg,"");
//	reg = /\s/g;
//	res = res.replace(reg,"");
 // 	 if (isNaN(parseFloat(fld))) {
 //         alert(mesg);
 // 		fld.value="";
 // 		fld.focus();
 // 		return false;
 //    }
	//  	return true;
//  }

  
//function to Check email
// opt value 0 if mandatory and 1 if not
function CheckEmail(fld,msg,opt)
{
	if(opt=="0" || fld.value!="")
	{
	
	var emailStr=fld.value;
	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(msg);
		fld.focus();
		fld.select();
		return false;
	}
	var user=matchArray[1];
	var domain=matchArray[2];

	for (i=0; i<user.length; i++) {
	if (user.charCodeAt(i)>127) {	
	alert(msg);
	fld.focus();
	fld.select();
	return false;
	   }
	}
	for (i=0; i<domain.length; i++) {
	if (domain.charCodeAt(i)>127) {	
	alert(msg);
	fld.focus();
	fld.select();
	return false;
	   }
	}

	// See if "user" is valid 

	if (user.match(userPat)==null) {

	// user is not valid	
	alert(msg);
	fld.focus();
	fld.select();
	return false;
	}

	var IPArray=domain.match(ipDomainPat);
	if (IPArray!=null) 
	{
	for (var i=1;i<=4;i++) {
	if (IPArray[i]>255) {	
	alert(msg);
	fld.focus();
	fld.select();
	return false;
	   }
	}
	return true;
	}


	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(msg);
	fld.focus();
	fld.select();
	return false;
	   }
	}

	if (checkTLD && domArr[domArr.length-1].length!=2 && 
	domArr[domArr.length-1].search(knownDomsPat)==-1) {	
	alert(msg);
	fld.focus();
	fld.select();
	return false;
	}

	if (len<2) {	
	alert(msg);
	fld.focus();
	fld.select();
	return false;
	}
	return true;
}
return true;
}
//-->