一个搜索条样式，包括select的美化
一直以来用CSS控制select都没有实现过。还是只能用JS来模拟。
by youku
<!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">
<HTML>
<HEAD>
<TITLE>搜索条</TITLE>
<META NAME="Generator" CONTENT="EditPlus">
<META NAME="Author" CONTENT="">
<META NAME="Keywords" CONTENT="">
<META NAME="Description" CONTENT="">
<style>
/*basic*/
*{padding:0;margin:0;color:#000;font:12px/20px Arial,Sans-serif,"宋体";}
/*elements*/
.clear{clear:both;height:0px;overflow:hidden;}
ul,li,ol{list-style-type:none;list-style-position:outside;}
button,.btnNormal{height:22px;line-height:18px;padding:0 9px!important;padding:0 5px;}
a{color:#0042ff;text-decoration:underline;}
a,a *{cursor:pointer;}
a img{border:0;}
.searchTool{float:left;width:520px;}
.searchTool .searchExtend{float:left;line-height:24px;_padding-top:5px;}
.searchTool .radio{vertical-align:middle;margin-left:10px;margin-right:2px;*margin-right:0;}
.searchTool .txtSearch{float:left;width:232px;padding:2px 2px 0 2px;height:20px;line-height:20px;vertical-align:bottom;border:1px solid #3e99d4;}
.searchTool .selSearch{float:left;width:60px;background:#fff;height:22px;line-height:22px;border:1px solid #3e99d4;border-left:0;}
.searchTool .nowSearch{float:left;width:40px;height:20px;line-height:22px;overflow:hidden;padding-left:4px;}
.searchTool .btnSel{float:right;border-left:1px solid #3e99d4;width:14px;height:22px;}
.searchTool .btnSel a{background:url(http://static.youku.com/v1.0.0217/index/img/btn_sel.gif) no-repeat center center;display:block;width:14px;height:22px;}
.searchTool .btnSel a:hover{background:url(http://static.youku.com/v1.0.0217/index/img/btn_sel_over.gif) no-repeat center center;border:1px solid #fff;width:12px;height:20px;}
.searchTool .selOption{z-index:9999;position:absolute;margin-left:-1px;width:60px;background:#fff;border:1px solid #3e99d4;}
.searchTool .selOption a{display:block;height:21px;padding-left:5px;line-height:21px;color:#000;text-decoration:none;}
.searchTool .selOption a:hover{color:#fff;background:#95d5f1;}
.searchTool .btnSearch{float:left;margin-left:10px;width:58px;height:22px;line-height:22px;border:1px solid #3e99d4;overflow:hidden;}
.searchTool .btnSearch a{background:url(http://static.youku.com/v1.0.0217/index/img/bg_nav_option.gif) repeat-x center -6px;display:block;text-decoration:none;height:22px;line-height:22px;overflow:hidden;}
.searchTool .btnSearch a:hover{background:url(http://static.youku.com/v1.0.0217/index/img/bg_nav_option_over.gif) repeat-x center center;border:1px solid #fff;height:20px;line-height:20px;}
.searchTool .btnSearch .lbl{cursor:pointer;display:block;width:40px;padding-left:5px;letter-spacing:5px;text-align:center;height:18px;padding-top:1px;margin:0 auto;filter:progid:DXImageTransform.Microsoft.DropShadow(color=#daeefa,offX=1,offY=1,positives=true);}
.searchTool .btnSearch a:hover .lbl{padding-top:0px;}
</style>
<script>
function drop_mouseover(pos){
try{window.clearTimeout(timer);}catch(e){}
}
function drop_mouseout(pos){
var posSel=document.getElementById(pos+"Sel").style.display;
if(posSel=="block"){
timer = setTimeout("drop_hide('"+pos+"')", 1000);
}
}
function drop_hide(pos){
document.getElementById(pos+"Sel").style.display="none";
}
function search_show(pos,searchType,href){
document.getElementById(pos+"SearchType").value=searchType;
document.getElementById(pos+"Sel").style.display="none";
document.getElementById(pos+"Slected").innerHTML=href.innerHTML;
document.getElementById(pos+'q').focus();
var sE = document.getElementById("searchExtend");
if(sE != undefined && searchType == "bar"){
sE.style.display="block";
}else if(sE != undefined){
sE.style.display="none";
}
try{window.clearTimeout(timer);}catch(e){}
return false;
}
</script>
</HEAD>
<BODY>
<div class="searchTool">
<form method="get" action="http://so.youku.com/search_playlist" name="headSearchForm" id="headSearchForm" onsubmit="return dosearch(this);">
<input class="txtSearch" id="headq" name="q" type="text" value="闯关东" />
<input name="searchdomain" type="hidden" value="http://so.youku.com">
<input id="headSearchType" name="searchType" type="hidden" value="playlist">
<div class="selSearch">
<div class="nowSearch" id="headSlected" onclick="if(document.getElementById('headSel').style.display=='none'){document.getElementById('headSel').style.display='block';}else {document.getElementById('headSel').style.display='none';};return false;" onmouseout="drop_mouseout('head');">专辑</div>
<div class="btnSel"><a href="#" onclick="if(document.getElementById('headSel').style.display=='none'){document.getElementById('headSel').style.display='block';}else {document.getElementById('headSel').style.display='none';};return false;" onmouseout="drop_mouseout('head');"></a></div>
<div class="clear"></div>
<ul class="selOption" id="headSel" style="display:none;">
<li><a href="#" onclick="return search_show('head','video',this)" onmouseover="drop_mouseover('head');" onmouseout="drop_mouseout('head');">视频</a></li>
<li><a href="#" onclick="return search_show('head','playlist',this)" onmouseover="drop_mouseover('head');" onmouseout="drop_mouseout('head');">专辑</a></li>
<li><a href="#" onclick="return search_show('head','user',this)" onmouseover="drop_mouseover('head');" onmouseout="drop_mouseout('head');">会员</a></li>
<li><a href="#" onclick="return search_show('head','bar',this)" onmouseover="drop_mouseover('head');" onmouseout="drop_mouseout('head');">看吧</a></li>
<li><a href="#" onclick="return search_show('head','pk',this)" onmouseover="drop_mouseover('head');" onmouseout="drop_mouseout('head');">PK擂台</a></li>
</ul>
</div>
<div class="btnSearch">
<a href="#" onclick="javascript:return dosearch(document.getElementById('headSearchForm'));"><span class="lbl">搜索</span></a>
</div>
<div class="searchExtend" id="searchExtend" name="searchExtend" style="display:none">
<input type="radio" class="radio" name="sbt" value="post" onclick="csbt(this,this.form.sbts);" />搜贴子<input type="radio" name="sbt" value="user" onclick="csbt(this,this.form.sbts);" class="radio" />按作者搜<input type="hidden" name="sbts" value="bar">
</div>
<div class="clear"></div>
</form>
</div>
<div class="clear"></div>
</div>
</div>
</BODY>
</HTML>
提示：你可以先修改部分代码再运行。