hi firends

i have one problem.for example in my N70 i am reading ebook and see new word without i close ebook reader i exit by red key(the program still is un RAM) then i open my dictionary and see mean the word and again without close dic i press red key.Now i have to do this work again and again.

i want to ask how do i move between these program without spend more time?i need to change these program very fast.i want to do this work like Alt+tab in windows

HOW?Please Help