这样的登陆是怎么做的？
http://sg.qq.com/index.shtml#

------解决方案--------------------
function login() {
document.writeln( " <div id=\ "logined\ " style=\ "display:none\ " align=\ "left\ "> <table width=\ "105\ " height=\ "74\ " border=\ "0\ " cellspacing=\ "0\ " cellpadding=\ "0\ "> ");
document.writeln( " <tr> ");
document.writeln( " <td width=\ "105\ "> <table width=\ "105\ " border=\ "0\ " cellspacing=\ "0\ " cellpadding=\ "0\ "> ");
document.writeln( " <tr> ");
document.writeln( " <td height=\ "25\ " align=\ "center\ " valign=\ "bottom\ "> 欢迎您登陆 <br> ");
document.writeln( " 您可以 <\/td> ");
document.writeln( " <\/tr> ");
document.writeln( " <tr> ");
document.writeln( " <td align=\ "center\ "> 上传 <A href=\ "\/cgi-bin\/photo\/upload_photo.cgi?iType=1&iSubType=1\ " target=\ "_parent\ "> 截图 <\/A> \/ <A href=\ "\/cgi-bin\/photo\/upload_photo.cgi?iType=2&iSubType=1\ " target=\ "_parent\ "> 照片 <\/A> <\/td> ");
document.writeln( " <\/tr> ");
document.writeln( " <tr> ");
document.writeln( " <td align=\ "center\ " valign=\ "top\ "> <a href=\ "javascript:logOut();\ "> <img src=\ "http:\/\/ossweb-img.qq.com\/images\/sg\/sg2007\/exit.jpg\ " width=\ "67\ " height=\ "23\ " border=\ "0\ "> <\/a> <\/td> ");
document.writeln( " <\/tr> ");
document.writeln( " <\/table> <\/td> ");
document.writeln( " <\/tr> ");
document.writeln( " <\/table> ");
document.writeln( " <\/div> ");
document.writeln( " <div id=\ "unlogin\ " style=\ "display:block\ "> <a href=\ "#\ " onClick=\ "this.blur();NeedLogin(\ '\ ');return false;\ " class=\ "BL Bold\ "> <img src=\ "http:\/\/ossweb-img.qq.com\/images\/sg\/sg200706\/main\/login.png\ " width=\ "105\ " height=\ "53\ " border=\ "0\ "> <\/a> <\/div> ")
document.writeln( " <script language=\ "javascript\ " src=\ "\/sg200706\/js\/top.js\ "> <\/script> ")
}

这个是他那个登录的代码