request parameter lost during validation

[Borja Martín <bo...@dagi3d.net>]

hi,
I have an input hidden field whose value should be saved throughout the 
whole application. The problem is that some forms require validation and 
when it fails, I cannot retrieve the hidden field's value. I tried to to 
add a binding value to the inputHidden but with no success.
any hint about how to get it?
maybe I should alter the validation phase but i'm not sure about it...

thanks in advance