document.write("<option value=3>|-下载中心</option><option value=38 style=\'background:#99C4E3\'>&nbsp;&nbsp;|-系统软件</option><option value=39 style=\'background:#99C4E3\'>&nbsp;&nbsp;|-网络工具</option><option value=40 style=\'background:#99C4E3\'>&nbsp;&nbsp;|-安全相关</option><option value=41 style=\'background:#99C4E3\'>&nbsp;&nbsp;|-媒体工具</option>");