Toolbar buttons

	Open - Displays the "Load sequence and SS from file" dialog, which is used to load a structure from a file.
	Reset Transformations - Resets the initial structure position.
	Fit To Window - Change the structure size to fit the view area.
	Selection mode - Switches between selection types.
	Add selection mode - Enables the mode to select a helix or a loop by clicking the nucleotide that the helix or the loop contains.
	Normal selection mode - In this mode, each subsequent selection unselects the previously selected item.
	OR selection mode - In this mode, all subsequent selections are added to the previously selected items.
	XOR selection mode - In this mode, a previously selected item is unselected by subsequent selection.
	Inverse selection - Invert a selection.
	Select all - Selects the entire structure.
	Unselect all - Unselects the entire structure.
	About - Displays the "About" dialog.
	Visit Website - Opens the Softberry home page.