tell application "Adobe InDesign CS3" 
	set allGroups to groups of active document 
	repeat with aGroup in allGroups 
		select aGroup 
		set innerGroups to groups of aGroup 
		repeat with anotherGroup in innerGroups 
			select anotherGroup 
			ungroup anotherGroup 
		end repeat 
		ungroup aGroup 
	end repeat 
end tell 

while (app.documents[0].groups.length !=0) { 
	app.documents[0].groups.everyItem().ungroup(); 
} 
alert ("Fertig.", "Schon gemacht");