Photoshop CS4 CS4 is one of the premier graphic software packages used by a lot of people http://bestwebdesignz.com/tips/series/photo-shop-cs4-tutorials/
This tutorial describes how the Tree Object works, and creating your own expandable/collapsible tree navigation system in JavaScript. http://articles.techrepublic.com.com/5100-22-5072101.html
Learn how to redirect to different web pages when the user selects an item from a drop-down menu. http://www.codebeach.com/tutorials/redirecting-url-javascript.asp
This is an extremely versatile drop down menu script for ordinary links on your page, including image links. http://www.dynamicdrive.com/dynamicindex1/dropmenuindex.htm
Five elegant JavaScript horizontal menus that support a second level sub menu when the mouse rolls over a menu tab. http://www.dynamicdrive.com/dynamicindex1/ddtabmenu.htm