var xmlHttp
function stateChangedp1() 
{ 
    xmlHttp=GetXmlHttpObject()
    if (xmlHttp==null)
    {
        alert ("Browser does not support HTTP Request")
        return
    }
    if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
    { 
        document.getElementById("ajaxdiv").innerHTML=xmlHttp.responseText 
    } 
    else
    {
        document.getElementById("ajaxdiv").innerHTML="<img src='../images/preloader.gif' border=0 alt='loading'>"
    }
}
function GetXmlHttpObject()
{ 
     var objXMLHttp=null
     if (window.XMLHttpRequest)
     {
          objXMLHttp=new XMLHttpRequest()
     }
     else if (window.ActiveXObject)
     {
          objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP")
     }
     return objXMLHttp
}