var t = n = count = 0;    
$(function(){ 

   
    count = $("#play_list a").size();    
    $("#play_list a:not(:first-child)").hide();    
    $("#play_info").html($("#play_list a:first-child").find("img").attr('alt'));    
    $("#play_text li:first-child").css({"background-image":"url('css/image/on.gif')",'color':'#000'});    
    $("#play_info").click(function(){window.open($("#play_list a:first-child").attr('href'), "_blank")});    
    $("#play_text li").click(function() {    
        var i = $(this).text() - 1;    
        n = i;    
        if (i >= count) return;    
        $("#play_info").html($("#play_list a").eq(i).find("img").attr('alt'));    
        $("#play_info").unbind().click(function(){window.open($("#play_list a").eq(i).attr('href'), "_blank")})    
        $("#play_list a").filter(":visible").fadeOut(500).parent().children().eq(i).fadeIn(1000);    
        $(this).css({"background-image":"url('css/image/on.gif')",'color':'#000'}).siblings().css({"background-image":"url('css/image/off.gif')",'color':'#fff'});    
    });    
    t = setInterval("showAuto()", 5000);    
    $("#play").hover(function(){clearInterval(t)}, function(){t = setInterval("showAuto()", 5000);});    
})    
   
function showAuto()    
{    
    n = n >= (count - 1) ? 0 : n + 1;    
    $("#play_text li").eq(n).trigger('click');    
}    

  
        function AutoScroll(obj) {

            $(obj).find("ul:first").animate({
                marginTop: "-25px"
            }, 1000, function() {
                $(this).css({ marginTop: "0px" }).find("li:first").appendTo(this);
            });
        }
        $(document).ready(function() {
            var myar = setInterval('AutoScroll("#scrollDiv")', 3000)
            $("#scrollDiv").hover(function() { clearInterval(myar); }, function() { myar = setInterval('AutoScroll("#scrollDiv")', 3000) }); //当鼠标放上去的时候，滚动停止，鼠标离开的时候滚动开始
        });