Floating footer in IE

WP ver 2.7
https://www.murphyslawns.com

https://validator.w3.org/check?uri=http%3A%2F%2Fwww.murphyslawns.com%2Fwordpress%2F&charset=(detect+automatically)&doctype=Inline&ss=1&group=0&user-agent=W3C_Validator%2F1.606

Hello all,

I have having issues with my footer in IE7…it seems to be floating. FF and other browsers seem to show the footer properly. And it show right on the pages (page.php) just not the home page (index.php).

Any ideas?