stageResize clip with fill


var clip = this.createEmptyMovieClip("box_mc", this.getNextHighestDepth());
with (clip) {
	lineStyle(0, 0xFFFFFFF, 40);
	beginFill(0xFFFFFF, 100);
	lineTo(Stage.width, 0);
	lineTo(Stage.width, 100);
	lineTo(0, 100);
	lineTo(0, 0);
	endFill();
	_y = 40;
}


stageResize = function(){
**
//clip._width = Stage.width;
//box_mc._width = Stage.width;
//_root.clip._width = Stage.width;
//_root.clip._width = Stage.width;
// nor with _x 
Why does this not work?
**}
stageResize();

var stageListener:Object = new Object();
stageListener.onResize = function() {
	stageResize();	
};

Stage.addListener(stageListener);