// JavaScript Document
// find the folder of original images
alert("Browse for the folder containing your original images.");
var imgStart = fw.browseForFolderURL();

// find the folder for saved images
alert("Browse for the folder to save your updated images");
var imgSave = fw.browseForFolderURL();

// create an array of the files to be worked on
var fileList = new Array;
fileList = Files.enumFiles(imgStart);

// create loop to run through files in folder
for (var i = 0; i < fileList.length; i++)
	{
	// open image
	fw.openDocument(fileList[i]);
	
	// add drop shadow
	fw.getDocumentDOM().applyEffects({ category:"Untitled", effects:[ { EffectIsVisible:true, EffectMoaID:"{a7944db8-6ce2-11d1-8c76000502701850}", ShadowAngle:315, ShadowBlur:4, ShadowColor:"#000000a5", ShadowDistance:9, ShadowType:0, category:"Shadow and Glow", name:"Drop Shadow" } ], name:"Untitled" });

	// increase size of canvas and set canvas colour
	fw.getDocumentDOM().setDocumentCanvasSizeToDocumentExtents(true);
	fw.getDocumentDOM().setDocumentCanvasColor("#FFFFFF");

	// export image as jpg
	var fileName = ("ds_" + Files.getFilename(fileList[i]));
	var expName = Files.makePathFromDirAndFile(imgSave,fileName);
	fw.exportDocumentAs(null,expName,null);

	// close image without saving
	fw.getDocumentDOM().close(false)

	}