help with incorporating video

Hello

i have problem in my 1st webstie....

i want to play video on it ..
and i want to play it on the same page....

i want to click at the video link
and open it at the same page in the same time i want to click at another link
and replace it with the old one....

Thanks

Youtube like?

something like that

but youtube not play the video at the same page...!!!!!

its play it at another page...