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document.write (">网络软件</option>");
document.write ("<option value='25' class=bg_2");
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document.write (">系统工具</option>");
document.write ("<option value='26' class=bg_2");
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document.write (">应用软件</option>");
document.write ("<option value='27' class=bg_2");
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document.write (">联络聊天</option>");
document.write ("<option value='28' class=bg_2");
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document.write (">图形图像</option>");
document.write ("<option value='29' class=bg_2");
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document.write (">多媒体类</option>");
document.write ("<option value='30' class=bg_2");
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document.write (">行业软件</option>");
document.write ("<option value='31' class=bg_2");
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document.write (">游戏娱乐</option>");
document.write ("<option value='32' class=bg_2");
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document.write (">编程开发</option>");
document.write ("<option value='33' class=bg_2");
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document.write (">安全相关</option>");
document.write ("<option value='34' class=bg_2");
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document.write (">教育教学</option>");
document.write ("</select><input type=hidden name=csnd value='no'>");