web page:weibo(Continue)

Continuing filling and consummating weibo page.Including
1.Contents include:main center and main right.
2.Function include:Tabs、hide and show、slides
3.Especially find:
(1)The only one can be performed, using two global variables solve it;
(2)To solve the incompatibility of IE and Firefox , we can use "*" to
write different code (only IE can recognite "*");
(3)In JS, useing nth-child selector can reduce the code in HTML;