Now you're finally ready to move into ImageReady. Before you launch ImageReady, be sure to save the document (Ctrl()+S). Because ImageReady and Photoshop use resources heavily (when launched together), it is always wise to save the file so that nothing is lost if resource levels become a problem. All that aside—it's just good practice in general to save your work frequently.
Now let's create some rollovers:
Creating the Rollovers
With the sprawl_mod.psd document still open, press Ctrl()+Shift+M to launch the document in ImageReady. ...