var xmlHttp

function ajaxshow(pagetoget,qstoget,elementid)
{ 
xmlHttp=GetXmlHttpObject();
if (xmlHttp==null)
  {
  alert ("Your browser is not able to do this.  Please use a different or updated browser.");
  return;
  } 
var url
url=pagetoget+"?sid="+Math.random()+"&"+qstoget;
xmlHttp.onreadystatechange=function(){
     if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete"){
            document.getElementById(elementid).innerHTML=xmlHttp.responseText;
        }
     };
xmlHttp.open("GET",url,true);
xmlHttp.send(null);
}

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