document.write("<table width='100%' border='0' cellspacing='0' cellpadding='0'>");
document.write("<form name='form1' method='post' action='../search_result.asp'>");
document.write("<tr><td width='17%' align='right'>关键字：</td><td width='35%'>");
document.write("<input name='search_key' type='text' class='search_css' id='search_key' size='20'>");
document.write("</td><td width='22%'><select name='search_type' class='search_css' id='search_type'>");
document.write("<option value='1'>社区搜索</option><option value='2'>产品搜索</option>");
document.write("<option value='3' selected>新闻搜索</option></select></td>");
document.write("<td width='26%'><input name='Submit2' type='submit' class='search_css' value='开始搜索'>");
document.write("</td></tr></form></table>");