i want to get the return value from download dialog using javascript so i can redirect to other page if he/she click yes... is it possible? how? if not possible for javascript what language may i use to to solve this problem? tnx!

no
when download dialog appears, the download process is already started.

[QUOTE]is it possible?/QUOTE]Nope

how?

You can't

if not possible for javascript

It isn't

what language may i use to to solve this problem?

C++ if you want to write your own dialog that the end user has to install.