X2.0版本的,打开:/template/default/common/header.htm (非默认风格,则修改风格中的header.htm) 
搜索从下代码: 
- <h2><!--{if !isset($_G['setting']['navlogos'][$mnid])}--><a href="./" title="$_G['setting']['bbname']">{$_G['style']['boardlogo']}</a><!--{else}-->$_G['setting']['navlogos'][$mnid]<!--{/if}--></h2>
 
  复制代码 
 
在其下面添加以下代码(代码回复可见)  
 
- <!--城市切换 QQ719468490-->
 
 - <style type="text/css"> 
 
 - #city *{ margin:0;padding:0; z-index:1000000; top:0;left:0px; float:left;}
 
 - #warpper{ position: relative; z-index:1000000; margin-top:20px;}
 
 - #city { font:normal 12px Verdana, Arial, Helvetica, sans-serif; text-align:center; z-index:1000000;}
 
 - #city a{ cursor:pointer; color:#666}
 
 - #city dl{ height:18px; line-height:18px; padding:0 10px;}
 
 - #city dt,.normal{ float:left; padding:0 10px 0 0 ; border-right:0px solid #ccc; text-decoration:none; width:auto; cursor:pointer; color:#FF3300; font-weight:bold;}
 
 - #city dt.over{ position:relative;padding:0 10px 0px 0px; z-index:1000001;color:#FF3300; font-weight:bold; height:20px; }
 
 - #city li{ float:left; list-style-type:none; margin:0px 5px; width:160px;}
 
 - #city #c1 li a{ float:left; list-style-type:none; margin:0px 3px; 0 0 }
 
 - #city dl dd{ position:absolute; width:160px; left:0;top:20px!important; border:1px solid #bbb; background:#fff; filter:progid:DXImageTransform.Microsoft.Shadow(Strength=4, Direction=120, color=#cccccc); padding:3px 0;}
 
 - .block{ display:block;}
 
 - .none{ display:none;}
 
 - </style>
 
 - <script language="javascript"> 
 
 - function $(str){ return document.getElementById(str);}
 
 - function $$(str){ return document.getElementsByTagName(str);}
 
 - var timer;
 
 - function changeMenu(thisObj,num){
 
 - if(thisObj.className=="over") return false;
 
 - hids(thisObj);
 
 - thisObj.className="over";
 
 - $("c"+(num+1)).className="block";
 
  
- $("c"+(num+1)).onmouseover=function(){clearTimeout(timer);}
 
 - $("c"+(num+1)).onmouseout=function(){timer=setTimeout(function(){hids(thisObj);},500)}
 
 - thisObj.onmouseout=function(){timer=setTimeout(function(){hids(thisObj);},3000)}
 
  
- }
 
 - function hids(thisObj){
 
 - clearTimeout(timer);
 
 - var tabObj=thisObj.parentNode.getAttribute("id");
 
 - var obj_dt=$(tabObj).getElementsByTagName("dt");
 
 - for(var i=0;i<obj_dt.length;i++){
 
 - obj_dt[i].className="normal";
 
 - $("c"+(i+1)).className="none";
 
 - }
 
 - }
 
 - </script>
 
 - <div id="city">
 
 - <dl id="warpper">
 
 - <dt onMouseOver="changeMenu(this,0);">[去其他县市]</dt>
 
 - <dd id="c1" class="none">
 
 - <ul>
 
 - <li><a href="forum-358-1.html">遂平</a> <a href="forum-360-1.html">西平</a> <a href="forum-361-1.html">上蔡</a> <a href="forum-364-1.html">汝南</a> <a href="forum-365-1.html">平舆</a> <a href="forum-365-1.html">新蔡</a> <a href="forum-365-1.html">正阳</a> <a href="forum-368-1.html">确山</a> <a href="forum-365-1.html">泌阳</a>
 
 - </li>
 
 - </ul>
 
 - </dd>
 
 - </dl>
 
  
- </div>
 
 - <!--城市切换_结束QQ719468490-->
 
  复制代码 备注:如果您的县市名称不是两个字,且排列不是 5个一行,出现错位的话 
 
请修改代码中的:width:160px;中的160大小 
既调整一下宽度,总共两处要同时修改即可 
 
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