var xmlHttp

function getOwner(str){
  xmlHttp=GetXmlHttpObject();
  if (xmlHttp==null){
    alert ("Your browser does not support AJAX!");
    return;
  }
  var url ="";
  url="getowner.php";
  url=url+"?userid="+str;
  url=url+"&sid="+Math.random();
  xmlHttp.onreadystatechange=stateChanged;
  xmlHttp.open("GET",url,true);
  xmlHttp.send(null);
}

function stateChanged(){
  if (xmlHttp.readyState==4){
    document.getElementById("m").innerHTML=xmlHttp.responseText;
  }
}

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;
}