Zoom on image in jquery

You can find nice collections of zoom on image in jquery in the given below url

http://www.professorcloud.com/mainsite/cloud-zoom.htm

http://www.tripwiremagazine.com/2010/02/15-jquery-plugins-to-create-stunning-image-zoom-effects.html

http://www.denbagus.net/jquery-image-zoom-and-tutorial/

Thanks