Julia, 

I'm not positive but I think the only way to place an image on top of another image is 
through Cascading Style Sheets (CSS) absolute positioning.  This is not supported in 
older browsers and can be tricky to manipulate though.  Depending on what you are 
trying to do, you could get the appropriate request paramaters and manipulate an 
inline styelsheet and/or the square <img width= and height=  >tags.  By dynamically 
getting the CSS, width, and height tags from a users input you could manipulate the 
size and placement of the sqaure.  Hope that helps...

Zac    


>>> [EMAIL PROTECTED] 04/30/02 07:32AM >>>
Hello everyone:

I have an image in a page, and I need to paint a square (or 4 lines )on top of it 
depending of certain parameters, to represent a selected area.

Any idea of how can I do this? Or how can jsp help to do this?

Thanks a lot,

Julia


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