function changeMenu(selmenu){

	document.getElementById('foodbox').style.display = 'none';
	document.getElementById('drinkbox').style.display = 'none';
	document.getElementById('cacktailbox').style.display = 'none';
	document.getElementById('syochubox').style.display = 'none';
	document.getElementById('awamoribox').style.display = 'none';
	
	document.getElementById('menumenu').style.display = 'block';
	document.getElementById(selmenu).style.display = 'block';
}