document.write('<select name=select><option value=0>请选择</option>');document.write('<option value=2>大白菜</option>');document.write('<option value=3>甘　蓝</option>');document.write('<option value=4>豇　豆</option>');document.write('<option value=5>茄　果</option>');document.write('<option value=6>温州良种</option>');document.write('<option value=8>花椰菜</option>');document.write('<option value=9>玉　米</option>');document.write('</select> <input name=keytxt type=text size=16> <input type=Image name=Submit src=images/ss.jpg width=90 height=25 align=absmiddle border=0>');