document.write ("<select name=c_id sizs=1><option value=''>请选择图忆类别</option>");
document.write ("<option value='5' class=bg_2");
if (cid==5) { document.write (" selected"); }
document.write (">新手上路</option>");
document.write ("<option value='5&s_id=58'");
if (sid==58) { document.write (" selected"); }
document.write (">　图忆简介</option>");
document.write ("<option value='5&s_id=59'");
if (sid==59) { document.write (" selected"); }
document.write (">　成功故事</option>");
document.write ("<option value='6' class=bg_2");
if (cid==6) { document.write (" selected"); }
document.write (">基本原理</option>");
document.write ("<option value='6&s_id=17'");
if (sid==17) { document.write (" selected"); }
document.write (">　简单实例</option>");
document.write ("<option value='6&s_id=19'");
if (sid==19) { document.write (" selected"); }
document.write (">　完整解说</option>");
document.write ("<option value='6&s_id=20'");
if (sid==20) { document.write (" selected"); }
document.write (">　符号系统</option>");
document.write ("<option value='7' class=bg_2");
if (cid==7) { document.write (" selected"); }
document.write (">深度分析</option>");
document.write ("<option value='7&s_id=21'");
if (sid==21) { document.write (" selected"); }
document.write (">　高级理论</option>");
document.write ("<option value='7&s_id=52'");
if (sid==52) { document.write (" selected"); }
document.write (">　图忆拓展</option>");
document.write ("<option value='7&s_id=22'");
if (sid==22) { document.write (" selected"); }
document.write (">　图忆未来</option>");
document.write ("<option value='8' class=bg_2");
if (cid==8) { document.write (" selected"); }
document.write (">常见问题</option>");
document.write ("<option value='8&s_id=23'");
if (sid==23) { document.write (" selected"); }
document.write (">　关于图忆</option>");
document.write ("<option value='8&s_id=24'");
if (sid==24) { document.write (" selected"); }
document.write (">　关于作者</option>");
document.write ("</select><input type=hidden name=csnd value='yes'>");