/* 
 * Jetsum tonydon
 * v1.0
 */
var t = n = 0, count;
    $(document).ready(function(){
        count=$("#banner_list a").length;
        $("#banner_list a:not(:first-child)").hide();
        $("#banner_info").html($("#banner_list a:first-child").find("img").attr('alt'));
        $("#banner_info").click(function(){window.open($("#banner_list a:first-child").attr('href'), "_blank")});
        $("#banner li").click(function() {
            var i = $(this).text() - 1;//获取Li元素内的值，即1，2，3，4
            n = i;
            if (i >= count) return;
            $("#banner_info").html($("#banner_list a").eq(i).find("img").attr('alt'));
            $("#banner_info").unbind().click(function(){window.open($("#banner_list a").eq(i).attr('href'), "_blank")})
            $("#banner_list a").filter(":visible").fadeOut(500).parent().children().eq(i).fadeIn(1000);
            $(this).css({"background":"#be2424",'color':'#000'}).siblings().css({"background":"#6f4f67",'color':'#fff'});
        });
        t = setInterval("showAuto()", 4000);
        $("#banner").hover(function(){clearInterval(t)}, function(){t = setInterval("showAuto()", 4000);});
    })

function showAuto(){n = n >=(count - 1) ? 0 : ++n;$("#banner li").eq(n).trigger('click');}