Yo Yo

i have 2 text field and a buttons which is placed close to the text field.
my requirement is that, on clickin a button, a new window opens and i am making a selection in the child window

which is getting reflected in the 1st text field. i need to load in some data in the 2nd text filed also.
howz it possible. can the geeks help me out with a solution....


Regards
PraDz