//banner轮播
jQuery("#slideBox").slide({ mainCell: ".bd ul", autoPlay: true, effect: "fade", delayTime: 200, autoPage: "<span></span>", titCell: ".hd" });
jQuery(".slideTxtBox").slide();
//nav背景滑动
var navBg = $(".navbg");
$(".nav>a").mouseover(function () {
    //获取当前
    var leftIndex = $(this).index();
    var left = (leftIndex - 1) * 86;
    navBg.css("left", left + "px");
}).mouseout(function () {
    navBg.css("left", "-200px");
});