Useful links for web development.
http://www.php.net/manual/en/index.php
http://www.w3.org/TR/REC-CSS1
http://www.w3.org/TR/1999/REC-html401-19991224/cover.html
http://www.projectseven.com/tutorials/css/uberlinks/
http://css-discuss.incutio.com/?page=FrontPage
http://www.nacse.org/demos/coping-with-unix/coping-with-unix/node20.html