Changelog Version 2.3
- Rewritten the moveStep function to reduce much traffic if set a large numer of max steps

Changelog Version 2.2
 - Rewritten progress bar position functions to fix a style bug
 - Added the addButton() function to display a Label with Button
 - Added the setBarColor(), setBarBackground() and setLabelColor(), setLabelBackground()
   functions to change the colors at any time.

Changelog Version 2.1
 - Rewritten the JavaScript code into functions for better overview and also to reduce traffic
 - Added the moveMin() and moveNext() functions to restart the bar or move it to the next step
 - Added the setFrame() function to display a nice window like Frame around the progress bar
 - Added the addLabel(), setLabelPosition(), setLabelFont() and setLabelValue() functions to 
   display different Labels like step, percent, crossbar or text.

Changelog Version 2.0:
 - Rewritten the JavaScript and DHTML code to generate valid HTML 4.01 strict code
 - Added the setDirection() function to move the progress bar in all directions
 - Added the hideBar() and unhideBar() functions to hide or unhide the progress bar