Adobe Photoshop CS4 Keys for using the Animation panel in Timeline Mode (Photoshop Extended) keyboard shortcuts keys

Shortcut                                                                          Command
	Note: Some shortcuts need to be enabled. Choose Enable Timeline Shortcut Keys from the Animation (Timeline) panel menu.
Spacebar	Start playing the timeline or Animation panel
Optn + click the current-time display in the upper-left corner of the timeline.	Switch between timecode and frame numbers (current time view)
Optn + click on list triangles	Expand and collapse list of layers
Hold down the Shft key when clicking the Next/Previous Frame buttons (on either side of the Play button)	Jump to the next/previous whole second in timeline
Hold down the Shft key while dragging the current time.	Increase playback speed
Hold down the Cmnd key while dragging the current time.	Decrease playback speed
Shft-drag	Snap an object (keyframe, the current time, layer in point, and so on) to the nearest object in timeline
Optn-drag (first or last keyframe in the group)	Scale (evenly distribute to condensed or extended length) a selected group of multiple keyframes
Left Arrow or Page Up	Back one frame
Right Arrow or Page Down	Forward one frame
Shft + Left Arrow or Shft Page Up	Back ten frames
Shft + Right Arrow or Shft + Page Down	Forward ten frames
Home	Move to the beginning of the timeline
End	Move to the end of the timeline
Shft + Home	Move to the beginning of the work area
Shft + End	Move to the end of the work area
Up Arrow	Move to In point of the current layer
Down Arrow	Move to the Out point of the current layer
Shft + Up Arrow	Back 1 second
Shft + Down Arrow	Foward 1 second
Esc	Return a rotated document to its original orientation