DocRef.name not working in Snow Leopard

Question

I have been using this script fot sometime to add the Image Name/number to my images, so customers can see them on the images. But today, i noticed that my numbers are not working.
all of the sudden it will take the image name and leave off the last number, so it should show the document name/number and its wrong.
like the images are named..
8290-020.jpg and it shows 8290-020.jpg
8290-021.jpg and it shows 8290-021.jpg
8290-022.jpg and it shows 8290-02.jpg
8290-023.jpg and it shows 8290-02.jpg
8290-024.jpg and it shows 8290-02.jpg
then next time i will run it and get different results...
Can anyone look at this script and tell me why it doesn't work now and how to fix it? i'm using the latest version of Snow Leopard and PS CS3.  thanks in advance...
if ( documents.length > 0 )
This script will add copyright information and filename on a text layer
// set units to pixels
var originalRulerUnits = preferences.rulerUnits;
preferences.rulerUnits = Units.PIXELS;
try
// add art layer
var docRef = activeDocument;
var artLayerRef = docRef.artLayers.add();
artLayerRef.kind = LayerKind.TEXT;
// ============= Personalize your values in the section below ============
// Copyright info © Leif Photography
var myCopyrightText = " ";
// select opacity
artLayerRef.opacity = 100;
// select the text colour
var newColour = new SolidColor();
if (docRef.mode == DocumentMode.CMYK)
newColour.cmyk.cyan = 255;
newColour.cmyk.magenta = 255;
newColour.cmyk.yellow = 255;
newColour.cmyk.black = 0;
if (docRef.mode == DocumentMode.RGB)
newColour.rgb.red = 255;
newColour.rgb.green = 255;
newColour.rgb.blue = 255;
artLayerRef.textItem.color = newColour;
// select the font name
artLayerRef.textItem.font = "ArialMT";
// select the font size
artLayerRef.textItem.size = 10;
// select the text position - this can be an absolute value too, eg. (10,20)
artLayerRef.textItem.position = new Array(docRef.width / 2, docRef.height *0.05);
// select the text justification
artLayerRef.textItem.justification = Justification.CENTER;
// ============= Personalize your values in the section above ============
// add text item on the art layer
var textItemRef = artLayerRef.textItem;
// text contents is copyright info + filename
textItemRef.contents = myCopyrightText + docRef.name;
// dereference pointers
docRef = null;
artLayerRef = null;
textItemRef = null;
myCopyrightText = null;
newColour = null;
catch( e )
// received and error ... throw it back to the user
preferences.rulerUnits = originalRulerUnits;
throw e;
preferences.rulerUnits = originalRulerUnits;
else
alert( "Open a document first." );

Answer 1

This isn't quite correct! The 'booklet printing' facility was present (and worked - I've just checked it!) in Leopard (10.5); but, as with some other useful functionality, was lost on installing Snow Leopard (10.6).
I suspect that it is a print driver function and that (since I'm using an HP laserjet) it will be up to HP as to when, or even if, they choose to reinstate this very useful function.
Come on HP: let's have it please!