代码简述：
本代码链接地址图片数量及尺寸都可以自己修改！

<!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>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>好我要网</title>

/* Nav
==========================================================*/
.nav {
    position: relative;
    margin: 0 10px 10px;
    background: url(/user/tool/code/images/nav_bg.png) no-repeat 0 -36px;
}
.navinner {
    background: url(/user/tool/code/images/nav_bg.png) no-repeat 100% -72px;
}
.navlist {
    height: 36px;
    line-height: 36px;
    overflow: hidden;
    margin: 0 10px;
    background: url(/user/tool/code/images/nav_bg.png) repeat-x 0 0;
}
.nav li {
    float: left;
    display: inline;
    margin: 0 0 0 -2px;
    padding: 0 4px 0 6px;
    background: url(/user/tool/code/images/nav_bg.png) no-repeat 0 -108px;
}
.nav a {
    display: block;
    width: 102px;
    text-align: center;
    font-size: 120%;
}
.nav a:link, .nav a:visited {
    color: #fff;
}
.nav a.current, .nav a:hover, .nav a:active {
    color: #fff;
    font-weight: bold;
    background: url(/user/tool/code/images/nav_bg.png) no-repeat 50% -144px;
}
.subnav {
    position: absolute;
    top: 41px;
    left: 0;
    float: left;
    height: 27px;
    line-height: 27px;
    white-space: nowrap;
    background: url(/user/tool/code/images/nav_bg.png) no-repeat 0 -180px;
}
* html .subnav {
    margin: 0 10px 0 -10px; /* IE 6 and below */
}
.subnav p {
    padding: 0 10px;
    background: url(/user/tool/code/images/nav_bg.png) no-repeat 100% -234px;
}
.subnav p span {
    display: block;
    background: url(/user/tool/code/images/nav_bg.png) repeat-x 0 -207px;
}
.subnav p.pointer {
    position: absolute;
    top: -4px;
    left: 0;
    height: 5px;
    width: 11px;
    padding: 0;
    margin-left: 20px;
    text-indent: -999em;
    background: url(/user/tool/code/images/nav_bg.png) repeat-x 0 -261px;
}
.subnav a {
    display: inline;
    padding: 0;
    font-size: 100%;
}
[class~="subnav"] a {
    padding: 0 3px;
}
.subnav, .subnav a:link, .subnav a:visited {
    color: #235e99;
}
.subnav a:hover, .subnav a:active {
    color: #235e99;
}
.subnav a:hover, .subnav a:active {
    font-weight: normal;
    background: none;
    border-bottom: 2px solid;
}
/* subnav position and pointer position */
#subnav1 { left: 120px; }
#subnav2 { left: 230px; }
#subnav3 { left: 340px; }
#subnav4 { left: 450px; }
#subnav5, #subnav6, #subnav7 { 
    left: auto;
    right: 0px;
}

#subnav1 .pointer,
#subnav2 .pointer,
#subnav3 .pointer,
#subnav4 .pointer { left: 30px; }
#subnav5 .pointer { left: auto; right: 290px; }
#subnav6 .pointer { left: auto; right: 180px; }
#subnav7 .pointer { left: auto; right: 70px; }

#subnav1, #subnav2, #subnav3, #subnav4 {
    min-width: 110px;
}
#subnav5 { min-width: 340px; }
#subnav6 { min-width: 240px; }
#subnav7 { min-width: 130px; }

/* Note
==========================================================*/
.note {
    margin: 0 15px 10px;
	color:#666666;
}
.note span{
	float:right;
}
.disable {
    display: none;
}

</style>

function $(id) {
    return document.getElementById(id);
}

function showMenu (baseID, divID) {
    baseID = $(baseID);
    divID  = $(divID);

//var l = GetOffsetLeft(baseID);
    //var t = GetOffsetTop(baseID);

//divID.style.left = l + 'px';
//    divID.style.top = t + baseID.offsetHeight + 'px';
    if (showMenu.timer) clearTimeout(showMenu.timer);
	hideCur();
    divID.style.display = 'block';
	showMenu.cur = divID;

if (! divID.isCreate) {
        divID.isCreate = true;
        //divID.timer = 0;
        divID.onmouseover = function () {
            if (showMenu.timer) clearTimeout(showMenu.timer);
			hideCur();
            divID.style.display = 'block';
        };

function hide () {
            showMenu.timer = setTimeout(function () {divID.style.display = 'none';}, 1000);
        }

divID.onmouseout = hide;
        baseID.onmouseout = hide;
    }
	function hideCur () {
		showMenu.cur && (showMenu.cur.style.display = 'none');
	}
}

</script>
</head>
<body>

<div class="nav">
<div class="navinner">
  <ul class="navlist">
  <li><a href="http://www.hao51xx.com">首页</a></li>
  <li><a href="http://www.hao51xx.com" id="nav_1" onmouseover="showMenu('nav_1','subnav1')">建站指南</a>
    <div class="subnav disable" id="subnav1">
      <p class="pointer">.</p>
      <p><span>
      <a href="http://www.hao51xx.com">建站教程</a> |
      <a href="http://bbs.hao51xx.com">推广技巧</a> |
            </span></p>
    </div>  
  </li>
  <li><a href="http://bbs.hao51xx.com" id="nav_2" onmouseover="showMenu('nav_2','subnav2')">特效代码</a>
    <div class="subnav disable" id="subnav2">
    	<p class="pointer">.</p>
      <p><span>
      <a href="http://www.hao51xx.com">导航菜单</a> |
      <a href="http://bbs.hao51xx.com">图像特效</a> |
      <a href="http://www.hao51xx.com">文字特效</a> |
      <a href="http://www.hao51xx.com">表单特效</a> |
      <a href="http://bbs.hao51xx.com">鼠标指针</a>
      </span></p>
    </div>
  </li>
  <li><a href="http://www.hao51xx.com" id="nav_3" onmouseover="showMenu('nav_3','subnav3')">站长工具</a>
    <div class="subnav disable" id="subnav3">
      <p class="pointer">.</p>
      <p><span>
      <a href="http://bbs.hao51xx.com">收录查询</a> |
      <a href="http://bbs.hao51xx.com">转帖工具</a> |
      <a href="http://www.hao51xx.com">颜色查询</a> |
      <a href="http://bbs.hao51xx.com">关键字查询</a> |
            </span></p>
    </div>  	
  </li>
  <li><a href="http://bbs.hao51xx.com" id="nav_4" onmouseover="showMenu('nav_4','subnav4')">网络助手</a>
    <div class="subnav disable" id="subnav4">
      <p class="pointer">.</p>
      <p><span>
      <a href="http://bbs.hao51xx.com">IP身份证</a> |
      <a href="http://www.hao51xx.com">字体转换</a> |
      <a href="http://bbs.hao51xx.com">邮编区号</a> |
      <a href="http://bbs.hao51xx.com">电子地图</a> |
      </span></p>
    </div>  
  </li>
  <li><a href="http://www.hao51xx.com" id="nav_5" onmouseover="showMenu('nav_5','subnav5')">破解注册</a>
    <div class="subnav disable" id="subnav5">
      <p class="pointer">.</p>
      <p><span>
      <a href="http://bbs.hao51xx.com">音像制图</a> |
      <a href="/http://www.hao51xx.com">站长软件</a> |
      <a href="http://bbs.hao51xx.com">安全相关</a> |
      <a href="http://bbs.hao51xx.com">特色活动</a> |
       </span></p>
    </div>  
  </li>
  <li><a href="/Union/Index.html" id="nav_6" onmouseover="showMenu('nav_6','subnav6')">免费资源</a>
    <div class="subnav disable" id="subnav6">
      <p class="pointer">.</p>
      <p><span>
      <a href="/Union/News/Index.html">图片素材</a> |
      <a href="/Union/Intro/Index.html">空间主机</a> |
      <a href="/Union/Comment/Index.html">有奖信息</a> |
      <a href="/Union/Skill/Index.html">电脑技巧</a>
      </span></p>
    </div>
  </li>
  <li><a href="/Server/Index.html" id="nav_7" onmouseover="showMenu('nav_7','subnav7')">休闲部落</a>
    <div class="subnav disable" id="subnav7">
      <p class="pointer">.</p>
      <p><span>
      <a href="/Server/Web/Index.html">精彩视频</a> |
      <a href="/Server/Ftp/Index.html">恶搞无极</a> |
      <a href="/Server/Mail/Index.html">笑话幽默</a> |
      <a href="/Server/Dns/Index.html">热点关注</a> |
      </span></p>
    </div>  
  </div>
  </li>
 
  </ul>
</div>  
</div>
</body>
</html>

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