tell application "Adobe InDesign CS4" 
	tell active document 
		set curSelection to selection 
		set curObject to item 1 of curSelection 
		set applied object style of curObject to "Anker standard" 
		name of applied object style of curObject 
	end tell 
end tell 

set applied object style of rectangle id 30416 of text from character 5007 to character 5007 of story id 2003 of document "D-A_2_ge_Bu.indd" to "Anker standard" 

tell application "Adobe InDesign CS4" 
  set objStyle to object style "Anker standard" of document 1 
  set applied object style of item 1 of selection to objStyle 
end tell