Guideline for cookies

A cookie is a small data set stored on your device, that stores data such as for example personal page settings and credentials. This record is generated and sent to you by the web server with which you have established a connection via your web browser. In general, we use cookies to analyze the interest in our websites and to improve the usability of our websites. Basically, you can also access our website without cookies. However, if you want to use our web pages fully or conveniently, you should accept those cookies that enable the use of certain features or make the usage more convenient. The purposes of the cookies we use can be found in the overview below.

By using our web pages you agree with the use of these cookies, as far as cookies are accepted according to your browser settings. Most browsers are set by default to accept all cookies. However, you have the option to set your browser so that cookies are displayed before they are stored, only certain cookies are accepted or rejected or cookies are generally rejected.

Please note, that changes to the settings only affect the respective browser. If you use different browsers or change the terminal, the settings must be made again. In addition, you can delete cookies from your storage medium at any time. For information about the cookie settings, their changes and the deletion of cookies, please refer to the help function of your web browser.

Below are links to the settings of the most common browsers:

Mozilla Firefox:

Internet Explorer:




Here are the most common types of cookies for your understanding:

1. Session Cookies
While you are active on a web page, a session cookie is temporarily stored in the memory of your computer, where a session ID is stored, eg to store a session cookie. For example, to avoid having to log in each time you switch pages. Session cookies are deleted at logoff or lose their validity as soon as their session expires automatically.

2. Persistent or protocol cookies
A persistent or history cookie stores a file on your computer for the period of time that it expects. Through these cookies, websites remember your information and settings on your next visit. This leads to a faster and more convenient access because for example you do not have to change your language setting for visiting our website again. When the expiration date expires, the cookie is automatically deleted when you visit the website that created it.

3. Third party cookies
Third-party cookies are provided by providers other than the operator of the website. For example, they can be used to collect information for advertising, custom content, and web statistics.

4. Flash cookies
Flash cookies are stored as data elements of web pages on your computer when they are operated with Adobe Flash. Flash cookies have no time limit.

The following cookies are used on this website:

Name of cookie


Storage duration

Type of cookie


confirmation of cookie usage

1 year




end of session




end of session




3 years




1 minute




2 days




end of session



opt-out-cookie for web-statistics

until 31.12.2099