css模拟下拉菜单

<!DOCTYPE html >

<head>

<title>模拟select控件</title>

<style>

html,body{height:100%;overflow:hidden;}

body,div,form,h2,ul,li{margin:0;padding:0;}

ul{list-style-type:none;}

body{background:#23384e;font:12px/1.5 5fae8f6f96c59ed1;}

#search,#search form,#search .box,#search .select,#search a{background:url(search.jpg) no-repeat;}

#search,#search .box,#search form{height:34px;}

#search{position:relative;350px;margin:10px auto;}

#search .box{background-position:right 0;}

#search form{background-repeat:repeat-x;background-position:0 -34px;margin:0 20px 0 40px;}

#search .select{float:left;color:#fff;190px;height:22px;cursor:pointer;margin-top:4px;line-height:22px;padding-left:10px;background-position:0 -68px;}

#search a{float:left;80px;height:24px;color:#333;letter-spacing:4px;line-height:22px;text-align:center;text-decoration:none;background-position:0 -90px;margin:4px 0 0 10px;}

#search a:hover{color:#f60;background-position:-80px -90px;}

#search .sub{position:absolute;top:26px;left:40px;color:#fff;198px;background:#2b2b2b;border:1px solid #fff;display:none;}

#search .sub li{height:25px;line-height:24px;cursor:pointer;padding-left:10px;margin-bottom:-1px;border-bottom:1px dotted #fff;}

#search .sub li:hover{background:#8b8b8b;}

</style>

window.onload = function(){

var oSelect = document.getElementById("select");

var droplist = document.getElementById("sub");

oSelect.onclick = function(e){

e.stopPropagation();

droplist.style.display = "block";

}

var items = droplist.children;

for(var i=0; i<items.length; i++){

items[i].onclick = function(){

oSelect.innerHTML = this.innerHTML

droplist.style.display = "none";

}

document.onclick = function(){

droplist.style.display = "none";

}

</script>

</head>

<body>

<form>

<span id="select" class="select">请选择游戏名称</span>

</form>

</div>

<li>地下城与勇士</li>

<li>大话西游II</li>

<li>QQ幻想世界</li>

</ul>

</div>

</body>

</html>