// JScript File
var xmlHttp
var id
function Release_Lock()
{ 
    xmlHttp=GetXmlHttpObject()
    //alert("ajax");
    if (xmlHttp==null)
    {
    alert ("Browser does not support HTTP Request")
    return
    }
    //alert(xmlHttp);
    var url="AJAX/Page_Lock.aspx"
    //url=url+"&sid="+Math.random()
    xmlHttp.onreadystatechange=Reset_Lock
    xmlHttp.open("GET",url,true)
    xmlHttp.send(null)
}

function Reset_Lock()
{ 
    if (xmlHttp.readyState==4 || xmlHttp.readyState=='complete')
    { 
       // alert(xmlHttp.responseText);
        //txt.value= xmlHttp.responseText;       
       // document.getElementById("txtEx_Rate"+id.toString()).value = 
    }     
} 

function GetXmlHttpObject()
{ 
   /* var objXMLHttp=null
    if (window.XMLHttpRequest)
    {
        objXMLHttp=new XMLHttpRequest()
    }
    else if (window.ActiveXObject)
    {
        objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP") 
    }
    return objXMLHttp*/
    
    var objXMLHttp;
        try
          {  // Firefox, Opera 8.0+, Safari 
           objXMLHttp=new XMLHttpRequest();
           }
        catch (e)
          {  // Internet Explorer 
            try
            { 
               objXMLHttp=new ActiveXObject("Msxml2.XMLHTTP");  
            }
            catch (e)
            { 
               try
               { 
                   objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP");   
               }
               catch (e)
               {
                  return null; 
                }
            }
          }
       return  objXMLHttp;  

}