Toolbar scrolling?

Hello. If I have a toolbar with 10 options, is it possible to have only 5 of them visible at a time and have the player click arrows or use a scroll bar to see the rest? Thanks

You can use a scroll view:

http://unity3d.com/support/documentation/ScriptReference/GUI.BeginScrollView.html

or roll your own scroll bar:

http://unity3d.com/support/documentation/ScriptReference/GUI.HorizontalScrollbar.html