content: tell application "QuarkXPress"
  	set theBox to selection
  	set {y1, x1, y2, x2} to bounds of theBox as list
  	set x1 to (coerce x1 to real)
  	set y1 to (coerce y1 to real)
  	set x2 to (coerce x2 to real)
  	set y2 to (coerce y2 to real)
  	set theWidth to (x2 - x1)
  	set theHeight to (y2 - y1)
  end tell
  {x1:x1, x2:x2, y1:y1, y2:y2, theWidth:theWidth, theHeight:theHeight}