. They have quite a few articles and tutorials on these subjects.
There are many tutorials on the web and many are FREE as are all of the above about.com articles. They are basic but may help you to get an idea of how things work. Of course, there are always folks on this forum who can help you with any specific questions you may have.
EDIT: Don't forget to check out the W3C standards site : http://www.w3.org/
. It has all of the details about web standards.