begin

js/lunbo.js

@@ -0,0 +1,33 @@
+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(0).parent().children().eq(i).fadeIn(500);
+        document.getElementById("banner").style.background = "";
+        $(this).toggleClass("on");
+        $(this).siblings().removeAttr("class");
+    });
+    t = setInterval("showAuto()", 2000);
+    $("#banner").hover(function () {
+        clearInterval(t)
+    }, function () {
+        t = setInterval("showAuto()", 2000);
+    });
+})
+
+function showAuto() {
+    n = n >= (count - 1) ? 0 : ++n;
+    $("#banner li").eq(n).trigger('click');
+}