function showMenu(id) {
	
	slideUp = false;
	
	for (var i = 1; i <= 5; i++) {
		if ($('#submenu' + i).hasClass('selected')) { 
			$('#submenu' + i).slideUp();
			$('#submenu' + i).removeClass('selected');
			$('#submenu' + i).addClass('hidden');

			if (i == id) slideUp = true;
		}

		
	}

	if (!slideUp) {
		$('#submenu' + id).slideDown();
		$('#submenu' + id).removeClass('hidden');
		$('#submenu' + id).addClass('selected');
	}
	return false;
}

function switchImage(imageID) {
	for (i = 0; i < 6; i++) {
		if (document.getElementById('product_image' + i)) {
			document.getElementById('product_image' + i).style.display = 'none';
		}
	}
	

	document.getElementById('product_image' + imageID).style.display = '';
}