// JavaScript Document$(function(){
$(document).ready(function() {	
$("a.np1,a.np2,a.np3,a.np4").click(function(){return false});
$(".src1 .src2").scrollable({size:3,items:".src1 .src2 ul",loop:true,prev:".np1",next:".np2"}).autoscroll({ autoplay: true,interval:4000 });
$(".src2 ul").tabs(".src > div", {effect: 'fade',loop:true,fadeOutSpeed: "fast",rotate: true}).slideshow({autoplay:true,interval: 3000});
$(".src3 .src4").scrollable({size:3,items:".src3 .src4 ul",loop:true,prev:".np1",next:".np2"}).autoscroll({ autoplay: true,interval:4000 });
$(".src6 .src7").scrollable({size:1,items:".src6 .src7 ul",loop:true,prev:".np4",next:".np3"});
$(".src4 ul").tabs(".demo2 > div", {effect: 'fade',loop:true,fadeOutSpeed: "fast",rotate: true}).slideshow({autoplay:true,interval: 3000});
$(".src7 ul").tabs(".src5 > div", {effect: 'fade',loop:true,fadeOutSpeed: "fast",rotate: true}).slideshow({autoplay:true,interval: 3000});
$("#chained").scrollable({size:5,items:"#chained ul",loop:true}).autoscroll({ autoplay: true,interval:4000 }).navigator({navi:".nv",naviItem:"dd",activeClass:"current"});
$("#nav li").hover(function(){
$(this).find(".sp").addClass("wp");
},function(){
$("#nav li .sp").removeClass("wp")
});
});

function goTop(acceleration, time) {
        acceleration = acceleration || 0.1;
        time = time || 16;

        var x1 = 0;
        var y1 = 0;
        var x2 = 0;
        var y2 = 0;
        var x3 = 0;
        var y3 = 0;

        if (document.documentElement) {
                x1 = document.documentElement.scrollLeft || 0;
                y1 = document.documentElement.scrollTop || 0;
        }
        if (document.body) {
                x2 = document.body.scrollLeft || 0;
                y2 = document.body.scrollTop || 0;
        }
        var x3 = window.scrollX || 0;
        var y3 = window.scrollY || 0;

        // 滚动条到页面顶部的水平距离
        var x = Math.max(x1, Math.max(x2, x3));
        // 滚动条到页面顶部的垂直距离
        var y = Math.max(y1, Math.max(y2, y3));

        // 滚动距离 = 目前距离 / 速度, 因为距离原来越小, 速度是大于 1 的数, 所以滚动距离会越来越小
        var speed = 1 + acceleration;
        window.scrollTo(Math.floor(x / speed), Math.floor(y / speed));

        // 如果距离不为零, 继续调用迭代本函数
        if(x > 0 || y > 0) {
                var invokeFunction = "goTop(" + acceleration + ", " + time + ")";
                window.setTimeout(invokeFunction, time);
        }
}





        // 跟随滚动条滚动代码开始
var html=""

$(function(){
$(window).scroll(function(){goTop();});
});

function goTop(){

$(".scrollgif").stop().animate({"top":$(window).height()+$(window).scrollTop()-100},1000);

}