// by Laurynas Butkus

function myShow(layer)
{
    if (typeof layer.effect != 'undefined')
	layer.effect.cancel();
		
    layer.effect = new Effect.Appear(layer, { duration: 0.3 });
}

function myHide(layer)
{
    if (typeof layer.effect != 'undefined')
	layer.effect.cancel();
		
    layer.effect = new Effect.Fade(layer, { duration: 0.3 });
}