javascript not to enter the cache

Hi there,

Is there is any javascript that prevent my web site with its images from being chached in the:

C:\WINDOWS\Temporary Internet Files, in the visitor's PCs.

I read one time about a META tag that made a page NOCACHE....

I don't know if it works... but I remember reading it.

I will tell you however..... if someone wants those graphics...or the whole site... you can't stop em...
It is a sad, sad fact.

http://htmlgoodies.earthweb.com/beyond/nocache.html