// JavaScript Document
function ICreateRequestObject() {
    var _requestObject;
    var browser = navigator.appName;
    if(browser == "Microsoft Internet Explorer"){
        _requestObject = new ActiveXObject("Microsoft.XMLHTTP");
    }else{
        _requestObject = new XMLHttpRequest();
    }
    return _requestObject;
}

function IAjaxRequest(url, responseHandler){
    var _httpReq = ICreateRequestObject();
	_httpReq.open('get', url);
    _httpReq.onreadystatechange = function(){
	     if(_httpReq.readyState == 4){
		    responseHandler(_httpReq.responseText,_httpReq.responseXML);
	     }
	};

   _httpReq.send(null);
   
}