Graphs

• http://www.daniweb.com/forums/thread262956.html
• http://www.phpbuilder.com/columns/nasser20030219.php3?page=2
• http://www.aditus.nu/jpgraph/jpdownload.php
• http://code.google.com/apis/visualization/documentation/gallery.html
• http://code.google.com/apis/visualization/documentation/gallery/annotatedtimeline.html
• http://danvk.org/dygraphs/
• http://www.gigasoft.com/graphtool.html3
• http://danvk.org/dygraphs/