Complex sentence: During the time the product was offered, the Photoshop toolbox had a "Jump to ImageReady" button that enabled editing of image directly in ImageReady and a return button enabled a return to Photoshop.
Split into simpler sentences: During the time the product was offered, the Photoshop Toolbox had a quick link to ImageReady. A "Jump to ImageReady" button enabled editing of the current image directly in ImageReady and a return button enabled a return to Photoshop.