var xmlhttp=false;
 try {
  xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
 } catch (e) {
  try {
   xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
  } catch (E) {
   xmlhttp = false;
  }
 }
if (!xmlhttp && typeof XMLHttpRequest!='undefined') {
	try {
		xmlhttp = new XMLHttpRequest();
	} catch (e) {
		xmlhttp=false;
	}
}
if (!xmlhttp && window.createRequest) {
	try {
		xmlhttp = window.createRequest();
	} catch (e) {
		xmlhttp=false;
	}
}
 var please_wait = "Loading Page...";
 function open_url(url, targetId) {
  if(!xmlhttp)return false;
    var e=document.getElementById(targetId);if(!e)return false;
    if(please_wait)e.innerHTML = please_wait;
    xmlhttp.open("GET", url, true);
    xmlhttp.onreadystatechange = function() { response(url, e); }
    try{
      xmlhttp.send(null);
    }catch(l){
    while(e.firstChild)e.removeChild(e.firstChild);
    e.appendChild(document.createTextNode("request failed"));
  }
}
function response(url, e) {
  if(xmlhttp.readyState != 4)return;
    var tmp= (xmlhttp.status == 200 || xmlhttp.status == 0) ? xmlhttp.responseText : "We are unable to retrieve the requested content at this time, please try again later"
    var d=document.createElement("div");
    d.innerHTML=tmp;
    setTimeout(function(){
      while(e.firstChild)e.removeChild(e.firstChild);
      e.appendChild(d);
    },10)
}