/*
js程序代码：梦工场 邬大力
*/
function Ajax() {
	var ajax;
	try { ajax = new XMLHttpRequest; }
	catch(e) {
		try { ajax = new ActiveXObject("MSXML2.XMLHTTP"); }
		catch(e2) {
			try { ajax = new ActiveXObject("Microsoft.XMLHTTP"); }
			catch(e3) { 
				ajax = false;
			}
		}
	}
	
	return ajax;
}