How to load same form into different iframes(generated at runtime) and capturing data

Hi any please help me.

I have a form say Form1.html which contains some fields to capture some user information.

i am loading the same forms in to different iframes(which i generate at runtime and i will set each iframe's src to form say Form1.html.

for example iframe1.src="form1.html"
iframe2.src="form1.html"

now my question is how can i capture data entered on two forms which are kept intwo different iframes?

Please help me

Thanks in advace.