[Juice_Green]

может быть это подойдет?

function drawButton(clip:MovieClip, coords:Object, color:Number):Void {
	clip.beginFill(color, 100);
	clip.lineStyle(1, 0x000000, 100);
	clip.moveTo(coords._x1, coords._y1);
	clip.lineTo(coords._x2, coords._y1);
	clip.lineTo(coords._x2, coords._y2);
	clip.lineTo(coords._x1, coords._y2);
	clip.endFill();
	}

this.createEmptyMovieClip("but1", this.getNextHighestDepth());
this.createEmptyMovieClip("but2", this.getNextHighestDepth());
this['but2']._visible = false;

drawButton(this['but1'], {_x1: 100, _y1:100, _x2: 300, _y2: 300}, 0xCCCCCC);
drawButton(this['but2'], {_x1: 150, _y1:150, _x2: 250, _y2: 250}, 0xFF0000);

this['but1'].onRollOver = function():Void {
	this._parent['but2']._visible = true;
	}
	
this['but1'].onRollOut = function():Void {
	this._parent['but2']._visible = false;
	}

this['but2'].onRollOver = function():Void {
	this._visible = true;
	}

this['but2'].onPress = function():Void {
	trace("Кнопка нажата");
	}