document.write('<script language="javascript" id="src_field_list"></script>');document.write('<select id="search_channel_list" style="width:105px" onchange=\' SetSearchField("",this)\'>');document.write('<option value="0">请选择频道</option>');document.write('<option value="33">文章系统</option>');document.write('<option value="34">产品</option>');document.write('<option value="35">天地农药期刊</option>');document.write('<option value="36">推荐产品</option>');document.write('<option value="37">农药园地</option>');document.write('</select>');document.write('<select id="search_field_list" style="width:75px"><option value="0">搜索字段</option></select><br>');document.write('<input type="text" maxlength="50" class="TextBox" id="search_txt_keyword" align="absMiddle" style="width:123px;height:20px; FONT-WEIGHT: bold;position:relative;top:5px;float:left" />');document.write('<input type="image" style="position:relative;top:4px" src="/template/Images/search.gif" align="absMiddle" title="搜索" onclick=\'GoSearch("")\'/>');