/*广告轮播效果*/

function imgShowFun(divtemp) {
    var len = $(divtemp + " .adImgs > ul.nav > li").length;
    var imgLen = $(divtemp + " .adImgs > ul.imgList > li").length;
    var liImgLen = $(divtemp + " .adImgs > ul.imgList > li > a > img").length;
    var index = 0;
    var index2 = 0;
    var adTimer;

    //如果内容存在，显示轮换广告父节点
    var divlen = $(divtemp + " > div").length;
    if (divlen != 0) {
        $(divtemp).attr("style", "display:block");
//        return;
    }
    //});

    if (liImgLen != 0) {
     
         if (liImgLen == 1) {
             $(divtemp + " .adImgs > ul.nav").attr("style", "display:none");
         }
     
         $(divtemp + " .adImgs > ul.nav > li").mouseover(function() {
             index = $(divtemp + " .adImgs > ul.nav > li").index(this);
             showImg(divtemp, index);
         }).eq(0).mouseover();

         //滑入停止动画，滑出开始动画.
         $(divtemp + " .adImgs").hover(function() {
             clearInterval(adTimer);
         }, function() {
             adTimer = setInterval(function() {
                 showImg(divtemp, index)
                 index++;
                 if (index == len) { index = 0; }
             }, 3000);
         }).trigger("mouseleave");  
     }

}

//显示不同的幻灯片
function showImg(divtemp, index2) {
    $(divtemp + " .adImgs > ul.nav > li > a").removeClass("isOn")
			.eq(index2).addClass("isOn");
    $(divtemp + " .adImgs > ul.imgList > li").hide().eq(index2).show();

}