<script type="text/javascript"
src="http://pagead2.googlesyndication.com/pagead/show_ads.js">
</script>
要完成此效果把如下代码加入到<body>区域中 <form name=menuform>
<select size=1 name="msg">
<option> Welcome To Typhoon Start.
<option> JavaScript Fairyland.
<option> 这里仅仅是示范文字.
<option>我只是提出这种思路,其它要靠自己发挥喽.
</select></form>
<script language="javascript">
<!-- Begin
function rotate() {
menu = document.menuform.msg;
chosen = menu.selectedIndex;
menu.selectedIndex= (chosen == (menu.length-1)) ? 0 : chosen + 1;
setTimeout("rotate()",5000);
}
rotate();
// End -->
</script>
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