function openFullScreen() {
	var target = $('EnlargeImage');
	var Main = $('Main');
	var MoveMain = new Fx.Styles(Main, {duration: 400, wait: false});
	var EnlargeIn = new Fx.Styles(target, {duration: 400, wait: false,
		onStart: function(){
			target.setStyles({'display':'block'});
			periodical = moveOmbre.periodical(5);
			},
		onComplete: function(){
			$clear(periodical);
			moveOmbre();
		}});

		EnlargeIn.start({ 'height': 900 });
		MoveMain.start({ 'top': 990 });
};