var img = new Image();
img.src="gfx/ajaxload.gif";

function createXMLHTTPRequestObject(){
      var tmpObject;
      if (window.XMLHttpRequest) { 
          tmpObject = new XMLHttpRequest();
      }else if (window.ActiveXObject) { 
          tmpObject = new ActiveXObject("Microsoft.XMLHTTP");
      }
      return tmpObject;
  }
  function getUrl(url,method,target) {
    var element = document.getElementById(target);
    element.innerHTML='<img src="gfx/ajaxload.gif" alt="..."/> Loading';
    var http = createXMLHTTPRequestObject();
    http.open(method, url, true);
    http.onreadystatechange = function(){
      if (http.readyState == 4) {
        if(http.status == 200) {
          var element = document.getElementById(target);
          element.innerHTML=http.responseText;
        } 
      } 
    }
    http.send(null);
  }