function toggleMenu(objectID)
	{
		var objectblock = document.getElementById(objectID).style;
	
		if (objectblock.display == 'block')
		{
			objectblock.display = 'none';
			window.event.cancelBubble = true; 
			window.event.returnValue = false; 
		}
		else
		{
			objectblock.display = 'block';
			window.event.cancelBubble = true; 
			window.event.returnValue = false; 
		}
	}