Toolbar

The buttons in the Toolbar have the following functions:

	Open - Displays the "Please choose a file" dialog, which is used to load a data from a file.
	Does the same a View->Complementary->Direct in the Main Menu.
	Does the same a View->Complementary->Reverse in the Main Menu.
	Does the same a View->Complementary->Both in the Main Menu.
	Does the same a Settings->Options in the Main Menu.
	About - Displays the "About" dialog.
	Visit Website - Opens the Softberry home page.