include a jsp in another jsp on the event of button click

Hi

I have 2 jsp pages. I want to include second jsp in the first jsp page when a button in the first jsp is clicked. how can I do this. I tried in sevaral ways . I am using jsp and javascript... anyone please help me.. thanks in advance

You either post back the page and add it, you use a frame/iframe, or you use Ajax.

Eric

Please do not post the same question more than once.