php w/ mySQL:
http://hotwired.lycos.com/webmonkey/99/21/index2a.html

it should help all you budding site designers...

mySQL is VERY useful.

javascript:
heres an excellent book i have, and would rate it 9.5/10 its brilliant, it kick-started me off on JS - http://www.peachpit.com/books/catalog/K5920.html

dHTML:
another great peachpit book - 9/10 brilliant but difficult.
http://www.peachpit.com/books/catalog/K5798.html

combine them together and you get something very powerful.