$(function () {
    $(".dummy").click(function () { return false; });

    var flipDelay = 5500;
    var flipCount = $("div#banner_small div.num a").size(); 	// 图片总数
    var flipId = 1;
    var flipTimer = null;
    var i = 0;
    for (i = 0; i < flipCount; i++) {
        var initname = $($("div#banner div.b_bg div.banner_img a img").get(i)).attr("src");
        var initbg = initname.substring((initname.indexOf('/',2) + 1), initname.indexOf('.'));
        $($("div#banner div.b_bg").get(i)).css("background-image", "url(/IMG/BG/bg" + initbg + ".jpg)");
    }
    var flip = function () {
        if (flipCount < 2) return;
        $("div#banner_small div.num a").removeClass("current");
        $($("div#banner_small div.num a").get(flipId)).addClass("current");
        $("div#banner > div:visible").hide();
        //var imgname = $($("div#banner_img a  img").get(flipId)).attr("src");
        //var color = imgname.substring((imgname.indexOf('/,2') + 1), imgname.indexOf('.'));
        //$("#banner").css("background-image", "url(/index_files/bg" + color + ".jpg)");
        $($("div#banner div.b_bg").get(flipId)).show();
        //$($("div#banner_img div.b_img a  img").get(flipId)).show();
        flipId = (flipId + 1) % flipCount;
        flipTimer = window.setTimeout(flip, flipDelay);

    }

    flipTimer = window.setTimeout(flip, flipDelay);
    $("div#banner_small div.num a").click(function () {
        clearTimeout(flipTimer);
        flipId = $("div#banner_small div.num a").index(this);
        flip();
        return false;
    });
});