提示：您可以先修改部分代碼再運行
<html xmlns=”http://www.w3.org/1999/xhtml” lang=”zh-CN”><head><meta http-equiv=”Content-Type” content=”text/html; charset=gb2312″ /><title>下拉式功能表示範</title><style type=”text/css”><!?*{margin:0px; padding:0px;}body {font-family: arial, 宋體, serif;font-size:12px;}#nav {line-height: 24px; list-style-type: none; background:#666; }#nav a {display: block; width: 80px; text-align:center;}#nav a:link {color:#666; text-decoration:none;}#nav a:visited {color:#666;text-decoration:none;}#nav a:hover {color:#FFF;text-decoration:none;font-weight:bold;}#nav li {float: left; width: 80px; background:#CCC;}#nav li a:hover{background:#999;}#nav li ul {line-height: 27px; list-style-type: none;text-align:left;left: -999em; width: 180px; position: absolute;}#nav li ul li{float: left;background: #F6F6F6;}#nav li ul a{display: block; width: 156px;text-align:left;padding-left:24px;}#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:#C00;width: 55px;}#nav li:hover ul {left: auto;}#nav li.sfhover ul {left: auto;}#content {clear: left;}?></style><script type=text/javascript><!?//?><![CDATA[//><!--function menuFix() {var sfEls = document.getElementById("nav").getElementsByTagName("li");for (var i=0; i<sfEls.length; i++) { sfEls.onmouseover=function() { this.className+=(this.className.length>0? " ": "") + "sfhover"; } sfEls.onMouseDown=function() { this.className+=(this.className.length>0? " ": "") + "sfhover"; } sfEls.onMouseUp=function() { this.className+=(this.className.length>0? " ": "") + "sfhover"; } sfEls.onmouseout=function() { this.className=this.className.replace(new RegExp("( ?|^)sfhover\b"), ""); }}}window.onload=menuFix;//--><!]]></script></head><body><ul id=”nav”> <li>產品介紹一 <ul> <li>產品一</li> <li>產品一</li> <li>產品一</li> <li>產品一</li> <li>產品一</li> </ul> </li> <li>產品介紹二 <ul> <li>產品二</li> <li>產品二</li> <li>產品二</li> <li>產品二</li> <li>產品二</li> <li>產品二</li> </ul> </li></ul></body></html></td> </tr></table>
提示：您可以先修改部分代碼再運行
