document.write('<script language="javascript" id="src_field_list"></script>');document.write('<select id="search_channel_list" class="searchList" onchange=\' SetSearchField("",this)\'>');document.write('<option value="1">请选择栏目</option>');document.write('<option value="1">新闻</option>');document.write('<option value="26">产品</option>');document.write('<option value="30">展会</option>');document.write('<option value="31">协会</option>');document.write('<option value="32">招标</option>');document.write('<option value="33">站内公告</option>');document.write('<option value="35">商机</option>');document.write('<option value="36">人才相关</option>');document.write('<option value="37">视频</option>');document.write('<option value="38">图片展示</option>');document.write('<option value="39">文件下载</option>');document.write('<option value="40">端午专题</option>');document.write('<option value="41">新主页</option>');document.write('<option value="46">电子杂志</option>');document.write('<option value="47">展会频道</option>');document.write('<option value="23">企业</option>');document.write('<option value="24">人才</option>');document.write('</select>');document.write('&nbsp;<input type="text" class="searchInput" maxlength="80" Width="240px" id="search_txt_keyword" />');document.write('&nbsp;<input height="20px" class="searchBtn" type="button" value="" onclick=\'GoSearch("")\'/>');