display dialog "XXY" 
delay 0.5 
tell application "System Events" 
	key code 53 
end tell 

tell application id "com.adobe.indesign"  
	activate  
	invoke menu action id 257  
end tell  
  
tell application "System Events" to key code 53 

try 
	with timeout of 0.5 seconds 
		display dialog "XXY" 
	end timeout 
end try 
 
delay 0.5 
tell application "System Events" 
	key code 53 
end tell