Lightbox customization (PHP programming tips)

Current version of Lightbox (widely used in web development) has an intricate navigation in the image gallery. At first a user trys to guess where to show “previous” or “next” buttons. This navigation isn’t user friendly. Here are some small modifications for creating a simple navigation:

The best way for creating it in your image gallery is overriding the code without direct changes in the lightbox source code. It’s profitable when it is necessary to update the source code.