Flash script(jsfl) : SpliceFrames

SpliceFrames_v20141222.jsfl

/*
Adobe Flash Script (JSFL)
	SpliceFrames
		v20141222

Script summary
	01 : remove selected frames
	02 : fill removed frames (fill frames are one before deleted frames)
*/

var tl = fl.getDocumentDOM().getTimeline();
var selectedFrames = tl.getSelectedFrames();
spliceFrames();


//Functions//
function checkArray3n(array){
	if((array.length % 3) === 0 && array.length !== 0){
		return (array.length/3)
	}else{
		return false
	};
}
function spliceFrames(){
	if(checkArray3n(selectedFrames) === 1 && selectedFrames[1] !== 0){
		
		var numNow = tl.currentFrame;
		var numLay = selectedFrames[0];
		var numStart = selectedFrames[1];
		var numEnd = selectedFrames[2];
		
		tl.removeFrames();
		tl.insertFrames((numEnd - numStart), false, (numStart - 1));
		tl.setSelectedFrames([numLay,numStart,numEnd],true);
		tl.currentFrame = numNow;
	};
}