document.write('<script language="javascript" id="src_field_list"></script>');document.write('<img src="/images/project/search.gif" align="absmiddle"> <select id="search_channel_list" style="width:110px" onchange=\'SetSearchField("",this)\'>');document.write('<option value="0">请选择频道</option>');document.write('<option value="28">公示公告通知</option>');document.write('<option value="21">行业动态</option>');document.write('<option value="35">资料大全</option>');document.write('<option value="30">招标信息</option>');document.write('<option value="25">企业招聘</option>');document.write('<option value="33">企业专题</option>');document.write('<option value="32">企业骨干</option>');document.write('<option value="31">展会信息</option>');document.write('<option value="34">业绩展示</option>');document.write('<option value="22">产品供求</option>');document.write('<option value="24">个人简历</option>');document.write('<option value="999">论坛搜索</option></select>');document.write(' <select id="search_field_list" style="width:110px"><option value="0">选择搜索字段</option></select>');document.write(' <input type="text" maxlength="50" id="search_txt_keyword" />');document.write(' <img src="/images/project/search.jpg" align="absmiddle" border="0" onclick=\'GoSearch("")\'/>');