function showMenu(ID) {
	hideMenu();
	new Effect.Appear( ID, { duration: 0.5 } );
}

function hideMenu() {
	if(document.getElementById('vin_rouge_area')){document.getElementById('vin_rouge_area').style.display = 'none';}
	if(document.getElementById('vin_blanc_area')){document.getElementById('vin_blanc_area').style.display = 'none';}
}