function beginMenu()
				{
					var menuElements = document.getElementById('menu').getElementsByTagName('div');
					for (i = 0; i < menuElements.length; i++)
					{
						if (document.getElementsByTagName && document.getElementById)
						{
							if ((menuElements[i].className == 'menuContents'))
							{
								menuElements[i].style.display = 'none';
							}
						}
					}
				}

				function menuVouwen(pageObject)
				{
						beginMenu();
					if (document.getElementById(pageObject).style.display == 'none')
					{
						document.getElementById(pageObject).style.display = 'block';
					}
					else
					{
						document.getElementById(pageObject).style.display = 'none';
					}
				}