var xmlObj;
function load(resource){
if(window.XMLHttpRequest){
  xmlObj = new XMLHttpRequest();
  if (xmlObj.overrideMimeType) {
    xmlObj.overrideMimeType('text/xml');
  }

}
else if(window.ActiveXObject){
  xmlObj = new ActiveXObject("Microsoft.XMLHTTP");
}
else{
return;
}
 if(!xmlObj)alert("Error initializing XMLHttpRequest!");
  xmlObj.onreadystatechange = handleResponse;
  xmlObj.open("Get",resource,true);
  xmlObj.send(null);
}

function handleResponse(){
if(xmlObj.readystate == 4){
if(xmlObj.status == 200){
var response = unescape(xmlObj.responseText);
 responsewrite(response);
}
}
}