document.write("<table cellspacing=\"1\" cellpadding=\"0\" width=\"100%\" bgcolor=\"#dddddd\" border=\"0\">    <tbody>        <tr>            <td align=\"center\" bgcolor=\"#f5f5f5\" height=\"30\">            <table cellspacing=\"0\" cellpadding=\"3\" width=\"100%\" border=\"0\">                <form onsubmit=\"this.action=document.search.channelsearch.value\" method=\"get\" target=\"_blank\" name=\"search\">                    <tbody>                        <tr>                            <td align=\"right\" width=\"350\">站内搜索：<input size=\"40\" name=\"keywords\" /> </td>                            <td align=\"center\" width=\"120\"><select name=\"channelsearch\">                              <option value=\"/hydt/search.php\">国内行业动态</option>                                                          <option value=\"/gjzx/search.php\">国际资讯</option>                                                          <option value=\"/syxx/search.php\">商业信息</option>                                                          <option value=\"/jscp/search.php\">技术产品</option>                                                          <option value=\"/gfyll/search.php\">规范与理论</option>                                                          <option value=\"/gczs/search.php\">工程展示</option>                                                          <option value=\"/xhhy/search.php\">协会会员</option>                                                          <option value=\"/qyhy/search.php\">企业会员</option>                               </select> </td>                            <td align=\"left\"><input type=\"hidden\" name=\"search\" value=\"1\" /> <input class=\"btn\" type=\"submit\" name=\"submit\" value=\" 搜 索 \" /> </td>                        </tr>                    </tbody>                </form>            </table>            </td>        </tr>    </tbody></table>");
