Here are some great resources: Where to Learn WebDesign
Other than that, looking at the code you posted, I have the following comments:
You have no doctype - use HTML 4.01 Strict (Read XHTML or HTML
Always and consistently use just lower-case letters for your code -it'll save you lots of problems in the future.
If you have any more questions or if something just doesn't work - check in here. Ideally, you post a link to the problem page so we can see exactly what's going on - alternatively, post the code.