[..] 
        var myPathName = myDoc.filePath.fullName + "/Sicherung";   
        var myFolder = Folder(myPathName);   
[..] 

#targetengine "session"   
   
var myEventListenerVersions = app.addEventListener("beforeSave", SaveVersion);       
       
function SaveVersion()   
{ 
  // something to do ...   
} 

app.activeDocument.pasteboardPreferences.pasteboardMargins = [100,10]; 

app.activeDocument.pasteboardPreferences.minimumSpaceAboveAndBelow = 200; 

//DESCRIPTION:Copies the current document to a backup-location before saving 
#targetengine "session"    
 
var desktop_path = Folder.desktop.toString(); 
var backup_path = "/c/ID_BACKUP"; 
if (Folder(backup_path.exists == false )) { 
	Folder(backup_path).create(); 
} 
if (app.documents.length > 0) { 
	main(); 
}  
    
var myEventListenerVersions = app.addEventListener("beforeSave", main);        
 
 
 
function main() { 
	var doc = app.activeDocument; 
	try { 
		if (doc.saved == true) { 
			var doc_file = doc.fullName; 
			var doc_name = doc.name; 
			var now = new Date(); 
			var datestamp = now.getFullYear().toString() + " " + two_digit(now.getMonth()+1) + " " + two_digit(now.getDate()); 
			var timestamp =  two_digit(now.getHours()) + two_digit(now.getMinutes()) + two_digit(now.getSeconds()); 
			var target_folder = Folder(backup_path + "/" + datestamp); 
			if (target_folder.exists == false ) {target_folder.create(); } 
			var target_file = target_folder.toString() + "/" + timestamp + "_" + doc_name; 
			if (doc_file.copy(target_file) == false) { 
				alert("Backup error\rCould not create backup copy."); 
			}	 
		} 
	} catch (e) { 
		alert(e); 
	} 
	doc.save();  
	 
	function two_digit(n) { 
		if (n < 10) { 
			return "0" + n.toString(); 
		} else { 
			return n.toString(); 
		} 
	} 
} 

#targetengine "session" 
 
main(); 
function main(){ 
	var scriptFile = File('Pfad/Zum/JavaScript'); 
	if(scriptFile.exists === true){ 
app.menuActions.itemByID(260).addEventListener("afterInvoke", scriptFile, false);//=Speichern 
} 
}