// JavaScript Document
function AjaxRequest() { 
        Ajax = false; 
        if (window.XMLHttpRequest) { // Mozilla, Safari,... 
            Ajax = new XMLHttpRequest(); 
        } else if (window.ActiveXObject) { // IE 
            try { Ajax = new ActiveXObject("Msxml2.XMLHTTP"); 
            } catch (e) { 
                try { Ajax = new ActiveXObject("Microsoft.XMLHTTP"); 
                } catch (e) {} 
            }}}