// RelinkLinksOfBookDocs2NewPath.js 
 
if (app.books.length > 1){  
	myBook = myBookSelect(); 
}  
else {  
	// Wiederholung des Öffnen-Dialogs so lange keine Buchdatei geöffnet ist  
	while (app.books.length <1){  
		var myBookFile = File.openDialog("Wähle eine Buchdatei");  
		var myBook = app.open(File(myBookFile));  
	} 
	myBook = app.books[0]; 
}  
 
var myFolder = Folder.selectDialog("Choose a folder")+"";  
var myDocs=myBook.bookContents; 
for (oneDoc=0; oneDoc<myBook.bookContents.length; oneDoc++){  
	// öffne Dokument "oneBook" des Buches  
	myDoc = app.open(File(myDocs[oneDoc].fullName),  false); 
	myLinks = myDoc.links; 
	for (oneLink=myLinks.length-1;oneLink>-1;oneLink--) { 
		myLink = myLinks[oneLink]; 
		myName = String(File.encode(myLink.name)); 
		myNewLink = File(myFolder + "/" + myName); 
		try{ 
			myLink.relink(myNewLink); 
			myLink.update(); 
		} 
		catch(e){ 
		} 
	}		 
	// Dokument schließen - Sichern ohne zu fragen 
	myDoc.close(SaveOptions.yes);  
}  
alert("Ready") 
 
 
function myBookSelect(){  
	var myBooks = app.books; 
	var myBookNames = []; 
	for (oneBook = 0; oneBook < myBooks.length; oneBook++){ 
		myBookNames.push(myBooks[oneBook].name) 
	} 
	var myDialog = app.dialogs.add({name:"Wähle ein Buch"});  
	with(myDialog.dialogColumns.add()){  
		with(dialogRows.add()){  
			with(dialogColumns.add()){  
				staticTexts.add({staticLabel:"Buch:"});  
			}  
			with(dialogColumns.add()){  
				var myField = dropdowns.add({stringList:myBookNames, selectedIndex:0});  
			}  
		}  
	}  
	var myResult = myDialog.show();  
	if(myResult == true){  
		var aBook = (myBooks[myField.selectedIndex]); 
		//alert(aBook.name); 
		myDialog.destroy();  
	}  
	else{  
		myDialog.destroy();  
	}  
	return aBook;  
}