function switchClass(id, std, nw){
	var elm = document.getElementById(id);
	if(elm.className == std){
		elm.className = nw;
		WawAnim.showHeight('listMeals', 110, 500 );
	}
	else{
		elm.className = std;
		WawAnim.hideHeight('listMeals', 500, 110 );
	}
}