function update_image( url, divid )
{
var httpxml;
try
  {
  // Firefox, Opera 8.0+, Safari
  httpxml=new XMLHttpRequest();
  }
catch (e)
  {
  // Internet Explorer
                  try
                                        {
                                 httpxml=new ActiveXObject("Msxml2.XMLHTTP");
                                }
                        catch (e)
                                {
                        try
                {
                httpxml=new ActiveXObject("Microsoft.XMLHTTP");
                 }
                        catch (e)
                {
                alert("Your browser does not support AJAX!");
                return false;
                }
                }
  }
function stateck()
    {
    if(httpxml.readyState==4)
      {

var myarray=httpxml.responseText;
container.innerHTML = myarray;
      }
    }
var container = document.getElementById(divid);

httpxml.onreadystatechange=stateck;
httpxml.open("GET",url,true);
httpxml.send(null);

}