This web site makes use of PNG (Portable Network Graphics) images to display some information or data. The PNG format is a highly compressed and unpatented image format that retains the full quality of the original image.
If your web browser is relatively old, it may not be able to display PNG images inline. We apologize for the inconvenience. The most direct solution is to upgrade your web browser.
The inline display of PNG images is supported by most of the recent versions of commonly used web browsers. Microsoft's Internet Explorer (MSIE) supports inline PNG images in versions 4.0b1 and later. Netscape Navigator has supported inline PNG images since version 4.04. For more information on browser compatibility with PNG images, see the PNG website at http://www.libpng.org/pub/png/.