document.write("<select name=class_Id class=input1>");
document.write("<option value=\"\">所有类别</option>");
document.write("<option style=\"color:#FF0000;\" value=\"1\">·电脑数码</option>");
document.write("<option style=\"color:#FF6600\" value=\"4\">&nbsp;├U盘/存储</option>");
document.write("<option style=\"color:#FF6600\" value=\"5\">&nbsp;├MP3/MP4</option>");
document.write("<option style=\"color:#FF6600\" value=\"8\">&nbsp;├音箱耳机</option>");
document.write("<option style=\"color:#FF6600\" value=\"24\">&nbsp;├摄像头</option>");
document.write("<option style=\"color:#FF6600\" value=\"25\">&nbsp;├无线上网卡</option>");
document.write("<option style=\"color:#FF6600\" value=\"26\">&nbsp;├摄像机</option>");
document.write("<option style=\"color:#FF6600\" value=\"27\">&nbsp;├笔记本</option>");
document.write("<option style=\"color:#FF6600\" value=\"28\">&nbsp;├数码相机</option>");
document.write("<option style=\"color:#FF0000;\" value=\"2\">·服务器</option>");
document.write("<option style=\"color:#FF6600\" value=\"6\">&nbsp;├机架式</option>");
document.write("<option style=\"color:#FF6600\" value=\"10\">&nbsp;├塔式</option>");
document.write("<option style=\"color:#FF0000;\" value=\"3\">·正版软件</option>");
document.write("<option style=\"color:#FF6600\" value=\"7\">&nbsp;├杀毒软件</option>");
document.write("<option style=\"color:#FF6600\" value=\"29\">&nbsp;├管理软件</option>");
document.write("<option style=\"color:#FF6600\" value=\"30\">&nbsp;├财务软件</option>");
document.write("<option style=\"color:#FF6600\" value=\"31\">&nbsp;├办公软件</option>");
document.write("<option style=\"color:#FF0000;\" value=\"9\">·时尚礼品</option>");
document.write("<option style=\"color:#FF6600\" value=\"37\">&nbsp;├绣球</option>");
document.write("<option style=\"color:#FF0000;\" value=\"19\">·学生用品</option>");
document.write("<option style=\"color:#FF6600\" value=\"38\">&nbsp;├数码学习</option>");
document.write("<option style=\"color:#FF6600\" value=\"39\">&nbsp;├书籍光盘</option>");
document.write("<option style=\"color:#FF6600\" value=\"40\">&nbsp;├动漫专柜</option>");
document.write("</select>");