function switchMenu(obj,obj2,obj3) {
	var el = document.getElementById(obj);
	var el2 = document.getElementById(obj2);
	var el3 = document.getElementById(obj3);
	
	//Plegat
	if ( el.style.display != "none" ) {
		el.style.display = 'none';
		el2.style.display = '';
		el3.style.display = 'none';
	
		
	}
	//Desplegat
	else {
		el.style.display = '';
		el2.style.display = 'none';
		el3.style.display = '';
	}
}