Adding New Tabs

Hello Guys,

I am new to wordpress .. and im newbie tho.. sorry for that..

well my question ..

can i add new tabs which can redirect to my other domain:

for eg:
http://img828.imageshack.us/img828/7499/lolsdfljshaadsfgmkh.png

in above pic you guys see the sample page tab.

i want to add the same tab with different text and if people click on the tab.. it would redirect to another website??

so how can i add this?? please me