<!-- 首页置顶目录 -->

{empty name="categories"}
	            {else /}	
	            {volist name="categories" id="vo" }  
                  {if $vo.is_top == "1" } 	<!--置顶目录 -->
                   <li>
                        <a href="/{$vo.category_name|str_replace=' &','',###|str_replace=' ','-',###}-c{$vo.id}.html">{$vo.category_name}</a>
                    </li>
                   {/if}
	            {/volist}
                {/empty}