witching images is no different from opening them; just call the openDzi() method. If you don't want to show any image, you can call the close() method, but this is not required.
When you add in a way for the user to choose the image (like we've done below), you're more than halfway to building your own image gallery.
mooZoom is an unobtrusive javascript utility that allows you to zoom an image in the desired point using mouse-scroll. It does not break the layout of the page and it's cross-bowser (ie, opera, firefox, safari).