Quite easy, if not, I haven’t done good programming!

The program is mouse-sensible, left click on text/images when your mouse cursor changes. Sometimes an image is mounted automatically when your mouse is moved on a piece of text. More information is given in the related pages.

However, the software uses JavaScript very intensively and you have to allow your browser to accept JavaScript. Some Internet browsers prevent or restrict access for security reasons. For overwriting this security one should activate the ‘Allow active content to run in files on My Computer’ under the security section in the Advanced tab of the Internet Properties.

Alternatively, you could search Internet for more information. Suggested keywords are “JavaScript” and “browser”.