var Anzahl = app.activeBook.bookContents.length; 
for (var i = 0; i < Anzahl; i++){ 
app.open (app.activeBook.bookContents[i].fullName); 
// hier folgen dann weitere Schritte 
app.activeDocument.save(); 
app.activeDocument.close(); 
} 

// checkLinksAtOpenSwitch.jsx  
app.linkingPreferences.checkLinksAtOpen = (app.linkingPreferences.checkLinksAtOpen == true)  
	? false  
	: true  
  
var myMessage = (app.linkingPreferences.checkLinksAtOpen == true)  
	? 'Switched ON'  
	: 'Switched OFF';  
  
alert ('Check links when opening a document: ' + myMessage); 

app.scriptPreferences.userInteractionLevel = UserInteractionLevels.NEVER_INTERACT;