var _baseurl;
var _req;
function GetAjaxData(baseurl,id,index)
{    
    
  try
   {    
        _baseurl=baseurl;  
        SendQuery(id,index); 	
   }    
   catch (ex){ alert(ex);}    
}

function Init1() 
{ 
   if (window.XMLHttpRequest) { // Non-IE browsers 
       //alert("fi");
      _req = new XMLHttpRequest(); 
   } 
   else if (window.ActiveXObject){ // IE 
      _req = new ActiveXObject("Microsoft.XMLHTTP"); 
   } 
} 

function Init() 
{ 
   try
   { 
        _req = new XMLHttpRequest(); // Non-IE browsers 
   } 
   catch (e) // IE 
   { 
        try
        {
          _req=new ActiveXObject("Msxml2.XMLHTTP");
        }
        catch (e)
        {
            _req=new ActiveXObject("Microsoft.XMLHTTP");
        }
   } 
    return _req;
} 
function Init2() 
{ 
  
   if (window.XMLHttpRequest) { // Non-IE browsers 
        _req = new XMLHttpRequest(); 
        //alert(_req);
   } 
   else if (window.ActiveXObject) // IE 
   { 
        try
        {
            _req=new ActiveXObject("Msxml2.XMLHTTP");
           
        }
        catch (e)
        {
           _req=new ActiveXObject("Microsoft.XMLHTTP");
        }
   } 
    else
    {
        _req = window.createRequest();
    }
    return _req;
} 
SendQuery=function(id,index) //get data 
{
   Init();
   var dt=new Date();
   var url=_baseurl+"setsession.aspx?id="+id+"&index="+index+"&dt="+dt.getMilliseconds(); 
   //alert(url);
   if(_req!=null) 
   {  _req.onreadystatechange = processStateChange; 
       //alert(_req);
      _req.open("POST", url, true);
      _req.send(null); 
   } 
} 

processStateChange = function()
{ 	
    if (_req.readyState == 4)
    {
     //alert(_req.status);
     if (_req.status == 200)
      {  
         //alert(_req.status);
         if(_req.responseText=="") 
         {
            //alert("f" );
            return false; 
         }
         else
         {
            //alert("t" );
            return true;
         } 
      } 
  } 
}