var btn03:Sprite = new Sprite();
btn03.graphics.beginFill(0x0099FF);
btn03.graphics.drawRoundRect(20, 160, 45, 45, 15, 15);
btn03.graphics.endFill();
btn03.filters = [new DropShadowFilter(4, 45, 0x999999, 3, 5, 5, 1, 1, false, false, false)];
addChild(btn03);

var btn04:Sprite = new Sprite();
btn04.graphics.beginFill(0x00CCFF);
btn04.graphics.drawRoundRect(20, 230, 45, 45, 15, 15);
btn04.graphics.endFill();
btn04.filters = [new DropShadowFilter(4, 45, 0x999999, 3, 5, 5, 1, 1, false, false, false)];
addChild(btn04);