function configureEffect() {
}
function executeEffect() {
	fl.trace("hello");
	curr_eff = fl.activeEffect;
	rows = curr_eff.rows;
	cols = curr_eff.cols;
	curr_doc = fl.getDocumentDOM();
	curr_tl = curr_doc.getTimeline();
	curr_tl.insertFrames(rows*cols);
	curr_doc.enterEditMode();
	curr_tl = curr_doc.getTimeline();
	curr_tl.insertFrames(rows*cols);
	contentLayNum = curr_tl.currentLayer;
	curr_tl.layers[contentLayNum].name = "content";
	curr_doc.selectAll();
	curr_doc.group();
	curr_elem = curr_doc.selection[0];
	xpos = curr_elem.left;
	ypos = curr_elem.top;
	w = curr_elem.width;
	h = curr_elem.height;
	xSize = w/cols;
	ySize = h/rows;
	boxArray = new Array();
	for (x=0; x<cols; x++) {
		for (y=0; y<rows; y++) {
			t = ypos+y*ySize;
			b = ypos+y*ySize+ySize;
			l = xpos+x*xSize;
			r = xpos+x*xSize+xSize;
			box = {top:t, bottom:b, left:l, right:r};
			boxArray.push(box);
		}
	}
	randArray = new Array();
	while (boxArray.length>0) {
		index = Math.floor(Math.random()*boxArray.length);
		box = boxArray[index];
		boxArray.splice(index, 1);
		randArray.push(box);
	}
	newLayNum = curr_tl.addNewLayer("mask", "mask", true);
	curr_tl.setSelectedLayers(newLayNum, true);
	for (i=0; i<randArray.length; i++) {
		curr_tl.currentFrame = i;
		curr_doc.addNewRectangle(randArray[i], 0, false, true);
		curr_tl.convertToKeyframes(i+1);
	}
	contentLayNum = curr_tl.findLayerIndex("content");
	curr_tl.layers[contentLayNum].parentLayer = curr_tl.layers[newLayNum];
	curr_doc.exitEditMode();
}
function removeEffect(){
	curr_doc = fl.getDocumentDOM();
	curr_doc.enterEditMode();
	curr_tl = curr_doc.getTimeline();
	curr_tl.layers[1].parentLayer = null;
	curr_tl.deleteLayer(0);
	curr_tl.currentLayer = 0;
	numFrames = curr_tl.layers[0].frameCount;
	curr_tl.removeFrames(1, numFrames);
	curr_tl.currentFrame = 0;
	curr_doc.selectAll();
	curr_doc.unGroup();
	curr_doc.exitEditMode();
	curr_tl = curr_doc.getTimeline();
	var selFrames = curr_tl.getSelectedFrames();
	curr_tl.removeFrames(selFrames[1]+1, selFrames[2]);
	curr_tl.setSelectedFrames(selFrames[1], selFrames[1]);		
}