Table background images not displaying in IE7

[jrthib]

on my website that I make i have found that the background images that appear in Firefox on the athletic program's table to not display in IE7. Any suggestions on fixing this?

http://www.saint-bernard.com/betasite/athletics/

Thanks in advance!

[jscheuer1]

Write an HTML page, not an XHTML page. IE doesn't do XHTML. Revamp your styles. It may be as simple as IE not seeing the background-position value as meaning the same thing as FF does but, there could be larger issues. After converting to an HTML DOCTYPE, validate your markup and styles:

http://validator.w3.org/

and:

http://jigsaw.w3.org/css-validator/