document.write("<ul><form onSubmit=\"this.action=document.search.channelsearch.value\" method=\"get\" target=\"_blank\" name=\"search\"><li>站内搜索：<input class=\"search-input\" size=\"20\" name=\"keywords\" /></li><li><select name=\"channelsearch\">  <option value=\"/article/search.php\">建材资讯</option>  <option value=\"/picture/search.php\">品牌展示</option>  <option value=\"/info/search.php\">供求信息</option>     <option value=\"/product/search.php\">商城</option></select> </li><li><input class=\"search-input\" type=\"hidden\" name=\"search\" value=\"1\" /></li><li><input type=\"image\" src=\"/templates/xhtml/skins/xhtml/images/ss.gif\" name=\"submit\" value=\" 搜 索 \" /></li> </form></ul>");