DIV+CSS+JS树形菜单
<html> <head><meta http-equiv="Content-Type" content="text/html; charset=gb2312"><title>Div+CSS+JS树型菜单</title><meta name="description" content="http://www.erp-china.com"> <style type="text/css">*{margin:0;padding:0;border:0;}body {font-family: arial, 宋体, serif;font-size:12px;}#nav {width:180px;line-height: 24px;list-style-type: none;text-align:left;}#nav a {width: 110px;display: block;padding-left:20px;}#nav li {background:#FFF;border-bottom:#FFF 1px solid;float:left;}#nav li a:hover{background:#00CC00;}#nav a:link{color:#666; text-decoration:none;}#nav a:visited{color:#666;text-decoration:none;}#nav a:hover{color:#FF0000;text-decoration:none;font-weight:bold;}#nav li ul {list-style:none;text-align:left;}#nav li ul li{background: #EBEBEB;}#nav li ul a{padding-left:20px;width:110px;}#nav li ul a:link{color:#666; text-decoration:none;}#nav li ul a:visited{color:#666;text-decoration:none;} #nav li ul a:hover {color:#F3F3F3;text-decoration:none;font-weight:normal;background:#0000ff;}#nav li:hover ul {left: auto;}#nav li.sfhover ul {left: auto;}#content {clear: left;}#nav ul.collapsed {display: none;}#PARENT{width:300px;padding-left:20px;}</style> </head><body><div id="PARENT"><ul id="nav"><li><a href="#Menu=ChildMenu1">锄禾日当午</a><ul id="ChildMenu1" class="collapsed"><li><a href="" target="_blank">childMenu1</a></li><li><a href="" target="_blank">childMenu2</a></li><li><a href="" target="_blank">childMenu3</a></li><li><a href="C:/" target="_blank">打开C盘</a></li></ul></li><li><a href="#Menu=ChildMenu2">汗滴禾下土</a><ul id="ChildMenu2" class="collapsed"><li><a href="" target="_blank">childMenu1</a></li><li><a href="" target="_blank">childMenu2</a></li><li><a href="" target="_blank">childMenu3</a></li><li><a href="" target="_blank">childMenu4</a></li></ul></li><li><a href="#Menu=ChildMenu3">谁知盘中餐</a><ul id="ChildMenu3" class="collapsed"><li><a href="" target="_blank">childMenu1</a></li><li><a href="" target="_blank">childMenu2</a></li><li><a href="" target="_blank">childMenu3</a></li><li><a href="" target="_blank">childMenu4</a></li></ul></li><li><a href="#Menu=ChildMenu4">粒粒皆辛苦</a><ul id="ChildMenu4" class="collapsed"><li><a href="" target="_blank">childMenu1</a></li><li><a href="" target="_blank">childMenu2</a></li><li><a href="" target="_blank">childMenu3</a></li><li><a href="" target="_blank">childMenu4</a></li></ul></li> </ul></div><div style="width:300;padding-left:30px;"></br></br><b>燃灯古佛圆寂前只说了两个字:open source...</b></br></br>欢迎访问:<a href="http://www.erp-china.com" target="_blank">宏桥科技</a></div></body></html> <script type=text/javascript><!-- var LastLeftID = ""; function menuFix() { var obj = document.getElementById("nav").getElementsByTagName("li"); for (var i=0; i<obj.length; i++) {obj.onmouseover=function() { this.className+=(this.className.length>0? " ": "") + "sfhover"; } obj.onMouseDown=function() { this.className+=(this.className.length>0? " ": "") + "sfhover"; } obj.onMouseUp=function() { this.className+=(this.className.length>0? " ": "") + "sfhover"; } obj.onmouseout=function() { this.className=this.className.replace(new RegExp("( ?|^)sfhover\\b"), ""); } }}function DoMenu(emid){ var obj = document.getElementById(emid); obj.className = (obj.className.toLowerCase() == "expanded"?"collapsed":"expanded"); if((LastLeftID!="")&&(emid!=LastLeftID)){//关闭上一个Menu document.getElementById(LastLeftID).className = "collapsed"; } LastLeftID = emid; }function GetMenuID(){ var MenuID=""; var _paramStr = new String(window.location.href); var _sharpPos = _paramStr.indexOf("#"); if (_sharpPos >= 0 && _sharpPos < _paramStr.length - 1){ _paramStr = _paramStr.substring(_sharpPos + 1, _paramStr.length); } else{ _paramStr = ""; } if (_paramStr.length > 0){ var _paramArr = _paramStr.split("&"); if (_paramArr.length>0){ var _paramKeyVal = _paramArr.split("="); if (_paramKeyVal.length>0){ MenuID = _paramKeyVal; } } } if(MenuID!=""){ DoMenu(MenuID) }}GetMenuID(); //*这两个function的顺序要注意一下，不然在Firefox里GetMenuID()不起效果menuFix();--></script>
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