Hello everyone, your help is greatly appreciated!

Summary: How do I create a new path to a folder in an actionscript
file?

URL:[url]http://www.linkshare.org/flashgallery/[/url]
external AS file:[url]http://www.linkshare.org/flashgallery/cbgallery.as[/url]
NOTE: actionscript file is external to SWF file, not sure if that
matters or not in coding.
Current
link:[url]http://www.linkshare.org/flashgallery/galleries/Italytrip-day1/001la[/url]
la%20aeroplane.jpg
Future
link:[url]http://www.linkshare.org/flashgallery/galleries/Italytrip-day1/hi-re[/url]
s/001lala%20aeroplane.psd

Problem: A photo is displayed in a Flash photo gallery and if you press
the 'download image' button, it links to the JPG directly for viewing.
Goal: I want a link to a Hi-Res image for printing, so the link would
not be same as the image viewed in the Flash gallery. The actionscript
code would link to a 300DPI Hi-Res image located in a "hi-res" folder.

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I'm no AS expert, but I think the relevant code is:
var
imageNameSplit:Array=String(thumbLoader.content["gal"+whichPic].myImage).
split("/");
imagePath = imageNameSplit.join("/");
if(enableViewImageBtn){
downloadImageBtn.onRelease=function(){
getURL(imagePath,"_blank");
trace("word: "+imagePath);
}