function makeRequest(url,id) {

var http_request = false;
if (window.XMLHttpRequest) { // Mozilla, Safari, ...

http_request = new XMLHttpRequest();
if (http_request.overrideMimeType) {
http_request.overrideMimeType('text/xml');
// See note below about this line
}
} else if (window.ActiveXObject) { // IE

try {
http_request = new ActiveXObject("Msxml2.XMLHTTP");
} catch (e) {
try {
http_request = new ActiveXObject("Microsoft.XMLHTTP");
} catch (e) {}
}
}

if (!http_request) {
alert('Error creating XMLHttpRequest()');
return false;
}

http_request.onreadystatechange = function() {
var e = document.getElementById(id)

if (http_request.readyState == 4 && http_request.status == 200) { 
e.innerHTML = http_request.responseText; 

}
else {
e.innerHTML = "Loading..."
//e.innerHTML ='<table width="100%" border="0" cellspacing="0" cellpadding="0"><tr><td valign="middle" align="center" height="350"><img src="images/loading_2.gif" /></td></tr></table>';
}
};
http_request.open('GET', url, true);
http_request.send(null);

}


/********************* COMMON FUNCTION **************************/
function clearField(fId, sMatch, sChange)
{
	if(sChange == null) sChange = '';
	if(fId.value == sMatch){
		fId.value = sChange; 
	}
}


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 ValidateForm(){
	var emailID=document.frmSample.txtEmail
	
	if ((emailID.value==null)||(emailID.value=="")){
		alert("Please Enter your Email ID")
		emailID.focus()
		return false
	}
	if (echeck(emailID.value)==false){
		emailID.value=""
		emailID.focus()
		return false
	}
	return true
 }

