tell application "Adobe InDesign CS5" 
  tell document 1 
    tell page 1 
      tell (every rectangle whose label is "mybox") 
        set gB to geometric bounds 
      end tell 
    end tell 
  end tell 
end tell 

set theFile to choose file with prompt "Bitte Datei auswählen:" without invisibles 
tell application "Adobe InDesign CS5" 
	tell document 1 
		tell page 1 
			tell (every rectangle whose label is "mybox") 
				place theFile 
			end tell 
		end tell 
	end tell 
end tell 

			tell (every rectangle whose label is "mybox") 

			tell rectangle 1 

tell application "Adobe InDesign CS5"  
--selection ist eine Liste, daher item 1 of ... 
  	set theSel to item 1 of selection 
end tell 

tell application "Adobe InDesign CS5" 
  selection 
end tell 

{rectangle id 204 of spread id 183 of document id 1 of application "Adobe InDesign CS5"} 

{rectangle id 198 of spread id 183 of document id 3 of application "Adobe InDesign CS5", rectangle id 205 of spread id 183 of document id 3 of application "Adobe InDesign CS5"} 

tell application "Adobe InDesign CS5" 
  activate 
  set curSel to selection 
  set nRect to (count of curSel) 
  if nRect is 1 then 
    try 
      if content type of selection is graphic type then 
        set theFile to choose file with prompt "Bitte Datei auswählen:" without invisibles 
        tell selection 
          place theFile 
        end tell 
      else 
        display dialog "Nur einen *Bildrahmen* auswählen." buttons "OK" default button 1 with icon 2 
      end if 
    on error 
      display dialog "Es ist kein *Bildrahmen* ausgewählt." buttons "OK" default button 1 with icon 0 
    end try 
  else if nRect is greater than 1 then 
    display dialog "Nur *einen* Rahmen auswählen." buttons "OK" default button 1 with icon 0 
  else 
    display dialog "Bitte einen Bildrahmen auswählen." buttons "OK" default button 1 with icon 2 
  end if 
end tell 

set theFile to choose file with prompt "Bitte Datei auswählen:" without invisibles 
tell application "Adobe InDesign CS5" 
  activate 
  tell document 1 
    tell page 1 
      set allFrames to all page items 
      repeat with i from 1 to count of allFrames 
        if name of item i of allFrames is "mybox" then 
          place theFile on item i of allFrames 
          exit repeat 
        end if 
      end repeat 
    end tell 
  end tell 
end tell 

tell application "Adobe InDesign CS5" 
	tell document 1 
		tell page 1 
			tell (every text frame whose name is "mytext") 
				tell parent story 
					set contents to "Lorem ipsum" 
				end tell 
			end tell 
		end tell 
	end tell 
end tell 

set find what of find text preferences to "x" 
set change to of change text preferences to "y" 

tell application "Adobe InDesign CS5" 
	tell document 1 
		tell page 1 
			tell (every text frame whose name is "mytext") 
				tell parent story 
					set find what of find text preferences to "pos" 
					set change to of change text preferences to "text" 
				end tell 
			end tell 
		end tell 
	end tell 
end tell 

tell application "Adobe InDesign CS5" 
  activate 
  set find what of find text preferences to "pos" 
  set change to of change text preferences to "text" 
  tell document 1 
    tell page 1 
      tell (every text frame whose name is "mybox") 
        tell parent story 
          change text 
        end tell 
      end tell 
    end tell 
  end tell 
  set find what of find text preferences to nothing 
  set change to of change text preferences to nothing 
end tell