indesign-script - Selektierte Objekte auf nächst höhere Ebene bewegen

Schiebt die selektierten Objekte eine Ebene rauf, auf die nächst höhere, unabgeschlossene Ebene.
Wunderbar auf Tastenkürzeln. Vorschlag: ALT-SHIFT-Ä

// InDesign CS3/CS4 JavaScript 
// by Stephan Möbius

// Moves the selected objects to the next higher unlocked layer.
// updated Febr.2009

myScriptIDC	= "No InDesign documents are open or nothing is selected!";
noSel	= "Nothing is selected. \nPlease select object and try again.";

if ((app.name != "Adobe InDesign")  || ((app.name == "Adobe InDesign") && (app.documents.length == 0))) {
	alert(myScriptIDC);
}
else if (app.selection.length != 0) {
	(app.version[0] < "4") ? (app.userInteractionLevel = UserInteractionLevels.interactWithAll) : (app.scriptPreferences.userInteractionLevel = UserInteractionLevels.interactWithAll);
	myObjects = new Array;
	for(myCounter = 0; myCounter < app.selection.length; myCounter++) {
		switch(app.selection[myCounter].constructor.name) {
			case "Rectangle":
			case "Polygon":
			case "GraphicLine":
			case "Oval":
			case "TextFrame":
			case "Group":
			myObjects.push(app.selection[myCounter]);
		}
	}
	if (myObjects.length > 0) {
		for (i=0; i < myObjects.length; i++) {
			myObject = myObjects[i];
			var myOBject_currentLayer = myObject.itemLayer;
			if (myOBject_currentLayer != app.activeDocument.layers.firstItem() ) {
				var myOBject_prevLayer = app.activeDocument.layers.previousItem(myOBject_currentLayer);
				while (myOBject_prevLayer.locked && myOBject_prevLayer != app.activeDocument.layers.firstItem() )  {
					myOBject_prevLayer = app.activeDocument.layers.previousItem(myOBject_prevLayer);
				}
				if (!myOBject_prevLayer.locked) myObject.itemLayer = myOBject_prevLayer;
			}
			else {
				myObject.bringToFront();
			}
		}
	}
}
else {
	alert(noSel);
}  //end of MoveToLayer Script