dll file is required in the project. Rollover image magnifier. The rollover image magnification effect is created by moving a frame, containing an image control, over the source image. By setting the image contained within the frame to a size factor of the compressed image it gives the illusion of magnifying the image under the frame. HTML Codes. PHP Scripts. Logo Graphic.By this tool, you have a nice magnifier on your page and user can zoom on specific part of image and like magnifier of windows, see the details of the image. How to create a rollover image which is a submit image for a form. Includes working example and complete ready-to-copy code.Rollover Submit Image. HTML allows us to use images to create submit buttons for forms. In this tutorial, I will be showing you how you create a rollover image effect and it is very easy. Follow the steps. For a detailed version visit my blog jquery.