Pop-up windows can add functionality to a Web site, but are very difficult to make accessible since many screen readers do not recognize the Javascript code needed to open the windows. In addition, many users with visual browsers may intentionally disable Javascript in order to avoid pop-up windows from online advertising.
SECTION 508 - When pages utilize scripting languages to display content, or to create interface elements, the information provided by the script shall be identified with functional text that can be read by assistive technology.
Accessify.com provides a tutorial on creating an accessible pop-up window. However, it should be tested before using on a Penn State Web site.
Provide a <noscript> alternative which uses a plain link to direct users with Javascript disabled to the appropriate information.
Provide both a plain link and a pop-up link.
Avoid disabling the scroll bars and resizing options; readers with low vision may need to resize windows to accommodate larger text.
These Websites provide advanced tips for implementing Javascript pop-up windows in an accessible fashion. Testing on multiple platforms is recommended.
Site Menu:
Home Page/Main Menu
| Section 508 Guidelines
| Quick Checklist
| Details by Tag
| Links
| I.T.S. Seminar Page
| Sitemap
©1999-2006 Pennsylvania State University.
This Web page is hosted by (by Teaching and Learning with Technology, a unit of Information Technology Services. Please contact the Webmaster if you have any questions.