Creating more than one folder as client in GWT

The package does not necessarily have to be called “client,” and in fact, you can specify multiple packages to be considered for JavaScript by modifying your <module> by adding an extra <source path=""> tag. The client package is simply an implicit default value to help you out. See the full definition of modules here: http://code.google.com/webtoolkit/documentation/com.google.gwt.doc.DeveloperGuide.Fundamentals.html#Modules.