有什么问题请到评论中发表<br> <!-- http://www.mb5u.com/ --> <!-- http://wWw.mb5u.com/ --> <!--要完成此效果需要两个步骤 第一步：把如下代码加入到<head>区域中--> <script language=\"javascript\"> <!-- Hide this script from old browsers -- var speed = 10 var pause = 1500 var timerID = null var bannerRunning = false var ar = new Array() ar[0] = \"欢迎来到www.mb5u.com！ \" ar[1] = \"欢迎光临模板无忧\" ar[2] = \"请多提意见，谢谢! \" var message = 0 var state = \"\" clearState() function stopBanner() { if (bannerRunning) clearTimeout(timerID) bannerRunning = false } function startBanner() { stopBanner() showBanner() } function clearState() { state = \"\" for (var i = 0; i < ar[message].length; ++i) { state += \"0\" } } function showBanner() { if (getString()) { message++ if (ar.length <= message) message = 0 clearState() timerID = setTimeout(\"showBanner()\", pause) bannerRunning = true } else { var str = \"\" for (var j = 0; j < state.length; ++j) { str += (state.charAt(j) == \"1\") ? ar[message].charAt(j) : \" \" } window.status = str timerID = setTimeout(\"showBanner()\", speed) bannerRunning = true } } function getString() { var full = true for (var j = 0; j < state.length; ++j) { if (state.charAt(j) == 0) full = false } if (full) return true while (1) { var num = getRandom(ar[message].length) if (state.charAt(num) == \"0\") break } state = state.substring(0, num) + \"1\" + state.substring(num + 1, state.length) return false } function getRandom(max) { return Math.round((max - 1) * Math.random()) } // -- End Hiding Here --> </script> <!--第二步：把“onLoad=\"startBanner()\"”加在<body>标记里--> <body onLoad=\"startBanner()\">
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