web page:yahoo(Create)

Creating a new web page that is yahoo.Including:
1.Contents include:layout、top、main left and main right;
2.Function include:
(1)mainRight3中，“关闭”的显示和隐藏、边框变化及执行关闭
closeMainRight3();
(2)mainCenterMainTitle中，下拉菜单
menuMainCenterTitle();
(3)mainCenterMainContent中，鼠标移入和移出内容时，已隐藏的内容的显示和隐藏以及处理
showMainCenterContent();
(4)mainRight8 comics中，下拉框，选择显示内容，并提交
selectMainRight8();
3.Especially find:
(1)using box-shadow show the special border.
4.Unfinished:
(1)In main center ,there is a slide that is difficult and meaning;
(2)When the mouse scroll, three contents (top、left、right)need to be
fixed position.