Js实现菜单弹性菜单
body, ul, ol, dl, dt, dd, h1, h2, h3, h4, h5, p, form { padding: 0; margin: 0; }
li { list-style: none; }
img { border: 0; }
body { font-family: Arial; background: #fff url() repeat-x; }
#header { width: 960px; height: 107px; margin: 0 auto 12px; position: relative; }
#header h1 { padding-top: 15px; float: left; }
#header ul { height: 44px; position: absolute; right: 0; bottom: 0; }
#header .normal, #header .active { float: left; width: 88px; height: 44px; position: relative; z-index: 1; }
#header .normal a, #header .active a { float: left; width: 88px; height: 44px; line-height: 44px; text-align: center; text-decoration: none; font-size: 14px; font-weight: bold; }
#header .active a { color: #fff; }
#header .normal a { color: #999; }
#btn_bg { width: 83px; height: 42px; background: url(cloud.gif); position: absolute; overflow:hidden; left: 608px; bottom: 0; z-index: 2; }
#btn_bg ul { width: 528px; left:-176px; position:absolute; }
<script type="text/javascript">
var away;
window.onload=function()
{
var odiv=document.getElementById("btn_bg");
var oul=odiv.getElementsByTagName("ul")[0];
var oli=document.getElementById("header").getElementsByTagName("ul")[0].getElementsByTagName("li");
var i=0;
for(i=0;i |