In case an Error Message shows up: 

Please activate Java Script in your Web-Browser and refresh the page!

What can I do?         Activate Java Script in you Browser:

FIREFOX

In order to activate Java Script in Firefox, please click on the Menu list of Firefox, 
and then "Extras". Choose "Settings", and click on the symbol, "Contents". 
Eventually a new Content will appear in the middle part of the page. 
Please click once on the box that says "Activate JavaScript". 
Finally, confirm activation by clicking "Ok". 
Please refresh the page by pressing refresh or Ctrl+R.

INTERNET EXPLORER 
In order to activate JavaScript in Internet Explorer, please click on the 
Menu list of Internet Explorer and press "Extras". Choose "Internet Options". 
Click on "Security", then "Internet" and set the level to the middle. 
Click on the button "Customized Level" at the bottom of the page. 
Roll down and activate the box "Scripting for Java-Applets". 
Finally, confirm activation by pressing "Ok". 
Eventually, Internet Explorer will ask you if you really want to 
change your Security Settings, please press "Yes". The page will close alone. 
In the case that other windows remain, confirm by pressing "Ok". 
Please refresh the page by pressing the refresh symbol or F5.