zoom the images in asset library thumbnail preview column in display form

Hi,

I have a requirement is:

i have an asset library with 1000 of images and on search of it in the results page, we customized to display the thumbnail preview of that image with title link which links to display form. in the search results on click of thumbnail image it will zoomin.

we need to have the same functionality on display form also. how to achieve it?

Aruna