WebControl, ClientCallback and Viewstate... Help Please!!

[ThunderMusic]

Hi,
I have a tab control that uses ClientCallback to change/render pages...
Basically, what I want to do is simple, I want the tab control to return to
the same page after a postback... I tried setting a variable in the
viewstate at different state of the control without success. Is there a way
I can set a value somewhere so I can retrieve the current page index?

thanks

ThunderMusic