function addEvent(obj, eventType, fn, useCapture)
{
    if (obj.addEventListener) {
        obj.addEventListener(eventType, fn, useCapture);
        return true;
    } else {
        if (obj.attachEvent) {
            var r = obj.attachEvent("on"+eventType, fn);
            return r;
        }
    }
}

function createHTTPHandler(){
    httphandler = false;
    /*@cc_on @*/
    /*@if (@_jscript_version >= 5)
    // JScript gives us Conditional compilation, we can cope with old IE versions.
    // and security blocked creation of the objects.
    try {
      httphandler = new ActiveXObject("Msxml2.XMLHTTP");
    } catch (e) {
      try {
       httphandler = new ActiveXObject("Microsoft.XMLHTTP");
      } catch (E) {
          httphandler = false;
      }
    }
    @end @*/
    if (!httphandler && typeof XMLHttpRequest!='undefined') {
        httphandler = new XMLHttpRequest();
    }
    return httphandler;
}