var xmlhttp

function ajaxit(url, str, destination)
{
  xmlhttp=GetXmlHttpObject();

  if (xmlhttp==null)
  {
    return;
  }

  url=url+str;
  url=url+"&sid="+Math.random();
  xmlhttp.onreadystatechange=function()stateChanged(destination);
  xmlhttp.open("GET",url,true);
  xmlhttp.send(null);
}

function stateChanged(destination)
{
  if (xmlhttp.readyState==4)
  {
    document.getElementById(destination).value=xmlhttp.responseText;
  }
}

function GetXmlHttpObject()
{
  if (window.XMLHttpRequest)
  {
    // code for IE7+, Firefox, Chrome, Opera, Safari
    return new XMLHttpRequest();
  }
  if (window.ActiveXObject)
  {
    // code for IE6, IE5
    return new ActiveXObject("Microsoft.XMLHTTP");
  }
  return null;
}