var TURL = "<%=TURL %>"; ///当前访问的URL///  http://localhost:9887/Web/login.aspx
    var URL = "<%=URL %>"; ///内网地址 //  http://192.168.0.17:8080/index.htm
    
    if (TURL != URL) {
        $.ajax({
            url: URL,
            dataType:"html", 
            success: function(html) {///成功跳转
            alert(html);
                window.location = URL; ///当用ajax访问 时候成功的时候就自动的跳转过去
            },
            error: function() {
             //   alert(1);
            }
        });
    }