the invention.BRIEF DESCRIPTION OF THE DRAWINGSFIG. 1 is a plan view schematically illustrating a fireplace tray according to one presently preferred embodiment of the invention and a fireplace within which the tray may be used;FIG. 2 is an exploded view illustrating the roller structure of FIG. 1;FIG. 3 is a partial left side view of the fireplace tray of FIG. 1 illustrating the mounting of the