web design help

have some thumbnail pictures which are hyperlinked. want to open the bigger picture in a new window, with the new window being the size of the picture. anyone know some code for this ?? figuring it's javascript. anyone point me in the right direction ?

This code will give lots of free play - look into it and you can see where you can change stuff, some goes in the header tags - and some in the body:
[PHP]
















KeyMastur's Link
[/PHP]