function showHide(param) {

	var menus = new Array('smorchestre','smcalendrier','smequipe','smabonnement','smpromotion','smjeunesse','smconcours','smappuyer');
	
	for (var i = 0; i < menus.length; i++) {
		document.getElementById(menus[i]).style.display = 'none';
	}

	document.getElementById(param).style.display = 'block';

}