导航菜单切换特效

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>选中当前菜单后高亮</title>
<style type="text/css">
<!--
.nav {
    MARGIN: 1px 0; 
    WIDTH: 100%; 
    FONT-FAMILY: verdana; 
    HEIGHT: 21px; 
    BACKGROUND-COLOR: #970B0B;
    font-family:Arial, Helvetica, sans-serif;
    font-size:12px;
}
.nav UL {
    PADDING: 0px; 
    DISPLAY: block; 
    MARGIN: 0px; 
    LIST-STYLE-TYPE: none; 
    HEIGHT: 21px; 
    BACKGROUND-COLOR: #970B0B;
    COLOR: #ffffff; 
}
.nav LI {
    BORDER-RIGHT: #ffffff 1px solid; 
    DISPLAY: block; 
    FLOAT: left; 
    HEIGHT: 21px;
    font-family:Arial, Helvetica, sans-serif;
    font-size:12px;
}
.nav LI A {
    PADDING:1px 15px 0; 
    DISPLAY: block; 
    FONT-WEIGHT: none; 
    COLOR: #ffffff; 
    LINE-HEIGHT: 20px; 
    TEXT-DECORATION: none;
}
.nav LI A:hover {
    COLOR:#562505; 
    BACKGROUND-COLOR: #f4f524; 
    TEXT-DECORATION: none;
}
.current{
  color:#ffffff;
  background:#D42524;
}
.nav li#date{
  color:#ffffff;
  PADDING:2px 15px 0; 
}
-->
</style>
<script language="javascript" type="text/javascript">
    var $c = function (array) { var nArray = []; for (var i = 0; i < array.length; i++) nArray.push(array[i]); return nArray; };
    Array.prototype.each = function (func) {
        for (var i = 0, l = this.length; i < l; i++) { func(this[i], i); };
    };
    document.getElementsByClassName = function (cn) {
        var hasClass = function (w, Name) {
            var hasClass = false;
            w.className.split(' ').each(function (s) {
                if (s == Name) hasClass = true;
            });
            return hasClass;
        };
        var elems = document.getElementsByTagName("*") || document.all;
        var elemList = [];
        $c(elems).each(function (e) {
            if (hasClass(e, cn)) { elemList.push(e); }
        })
        return $c(elemList);
    };
    function change_bg(obj) {
        var a = document.getElementsByClassName("nav")[0].getElementsByTagName("a");
        for (var i = 0; i < a.length; i++) { a[i].className = ""; }
        obj.className = "current";
    }
</script>
</head>
<body>
<DIV class="nav">
  <UL>
    <LI><A href="#" onclick="change_bg(this)">源码首页</A></LI>
    <LI><A href="#" onclick="change_bg(this)">网页殊效</A> </LI>
    <LI><a href="#" class="current" onclick="change_bg(this)">精品源码</a> </LI>
    <LI><A href="#" onclick="change_bg(this)">ASP源码</A> </LI>
    <LI><A href="#" onclick="change_bg(this)">PHP源码</A> </LI>
    <LI><A href="#" onclick="change_bg(this)">JSP源码</A> </LI>
    <LI><A href="#" onclick="change_bg(this)">脚本资源</A> </LI>
    <LI><A href="#" onclick="change_bg(this)">软件下载</A> </LI>
  </UL>
</DIV>
</body>
</html>
posted on 2013-05-14 17:22 larryle 阅读(130) 评论(0) 收藏举报