function screen() {
            //获取当前窗口的宽度
            var width = $(window).width();
            if (width > 1200) {
                return 3;   //大屏幕
            } else if (width > 992) {
                return 2;   //中屏幕
            } else if (width > 768) {
                return 1;   //小屏幕
            } else {
                return 0;   //超小屏幕
            }
 }


function reserveNew(userid) {
    var url      = window.location.href;
    
    $.get('/skin/msg2.php',{userid:userid,enews:'getusg'},function(data){
       
        var area_ = screen() < 2 ? ['100%', '80%'] : ['600px', '600px'];
       
        var index = layer.open({
            type: 1,border: [5, 0.5, '#666'], title: false,shadeClose: false,closeBtn:0,area:area_,
            content: data.info,
            success: function() {
            
                $("#ecmsfrom").val(url);
            
                $(".close-btn").click(function(){
                layer.close(index);
                })   
            }
        });
    });
}