Supported Browsers

HUD Web sites are best experienced using one of the more current browsers available today. Viewing our sites in older or non-compatible browsers may result in irregular display or reduced functionality. Widely used browsers include:
Internet Explorer    
Mozilla Firefox    


JavaScript is used on our Web sites to enhance the user experience and provide advanced functionality. Some pages and menus on these sites will not display or function properly if your browser does not have enabled, or does not support, JavaScript capability.

Screen Specifications

Our Web sites are best viewed on monitors displaying at least 1024x768 pixels and 32-bit color or higher.

Recommended Plugins

We strive to provide media-rich content on our Web sites. The following free plug-ins make it possible to experience audio, video, and interactive features.
Adobe Flash    
Adobe Reader    


We use cookies to understand site usage and to improve the content and offerings on our sites. These cookies capture no personally identifiable information. Users have the opportunity to set their browsers to accept all cookies, to notify them when a cookie is issued, or not to receive cookies at any time. If you have any questions about our use of cookies or how we protect your privacy, please review our Privacy Policy.

If you are experiencing technical difficulties, please contact the ECLASS support team via email at For general questions and/or class availability concerns, please contact the ECLASS administration team via email at

When emailing, please include as much information as possible relating to the problem, including print screen(s) of the error. Additionally, answers to most questions can be found in the ECLASS User Manual.