A type of "Drawer", might also be another solution for this. i.e. :
http://www.iloveubuntu.net/create-bundles-files-and-folders-unity-launcher-fancy-drawers-ppa-available
A type of "Drawer", might also be another solution for this. i.e. :
http:// www.iloveubuntu .net/create- bundles- files-and- folders- unity-launcher- fancy-drawers- ppa-available