new animation helper class

git-svn-id: http://crux-framework.googlecode.com/svn@4703 a5d2bbaa-053c-11de-b17c-0f1ef23b492c
new animation helper class

git-svn-id: http://crux-framework.googlecode.com/svn@4704 a5d2bbaa-053c-11de-b17c-0f1ef23b492c