function ukryj()
{
new Effect.Shrink('element_1', {direction: 'top-left', duration: 1.5, queue: 'end'});
new Effect.Shrink('element_2', {direction: 'bottom-left', duration: 1.5, queue: 'front'});
}

function pokaz()
{
new Effect.Grow('element_1', {direction: 'bottom-left', duration: 1.5, queue: 'front'});
new Effect.Grow('element_2', {direction: 'top-right', duration: 1.5, queue: 'end'});
}

