public function CoreElement(nameElement:String)
        {
            try
            {
                var ClassReference:Class = getDefinitionByName(nameElement) as Class;
                var instance:Object = new ClassReference();
                instance.graphics.beginFill(bgColor);
                instance.graphics.drawRect(0, 0, size, size);
                instance.graphics.endFill();
                addChild(DisplayObject(instance));
            }
            catch(error:Error)
            {
                trace(error.message);
            }
        }