// Create Browser compatible XMLHTTP Object
var http;
var gShow="";
function getHTTPObject() {
  var xmlhttp;
  /*@cc_on
  @if (@_jscript_version >= 5)
    try {
      xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");

    } catch (e) {

      try {

        xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");

      } catch (E) {

        xmlhttp = false;

      }

    }
  @else
  xmlhttp = false;
  @end @*/
  if (!xmlhttp && typeof XMLHttpRequest != 'undefined') {
    try {
      xmlhttp = new XMLHttpRequest();
    } catch (e) {
      xmlhttp = false;
    }
  }
  return xmlhttp;
}
// Global http object
http = getHTTPObject(); 
function Is_exist(sUrl) //  Check whither value is exist.
{
	if(sUrl==""){
	alert("Please enter value!");		
	}
else{

		http.open("GET", sUrl , true);
		http.onreadystatechange = GetResponse;
		http.send(null);
	}
}



function GetResponse()
{
if (http.readyState == 4) {
document.getElementById("validate_msg").innerHTML =  http.responseText;
gShow=document.getElementById("validate_msg").innerText;
	}
}