disable history back??

i have a question..
if i don't want a user to allow back to a particular page, what should i do??

Is something like, they cannot click back button on the nevigation bar to see the previous page back...

i tried with session_register on that page but no effet.

plse help me!!
thanks

You can't dissable the back button with php, but you might be able to do it with javascript...

Hi Richard,
Thanks for yr adcive

but i really have no idea how to disable from java scripts..
if u hava a sample code, can u share with me

Thanks