var ajax = null;
if (window.XMLHttpRequest)
      {ajax = new XMLHttpRequest();}
else if (window.ActiveXObject)
      {ajax = new ActiveXObject("Microsoft.XMLHTTP");}

 
function quicksearch(stri,url,div)
{
 var string = stri;
      ajax.open("GET", url + "?variable=" + string, true); 
      ajax.onreadystatechange = function()
      {
            if(ajax.readyState == 4)
      {            document.getElementById(div).innerHTML = ajax.responseText;}
      }
      ajax.send(null);
}