if (window.Event)
	  document.captureEvents(Event.MOUSEUP);
	function nocontextmenu()
	{
		event.cancelBubble = true
		event.returnValue = false;
		return false;
	}
	function norightclick(e)
	{
		if (window.Event)
		{
			if (e.which == 2 || e.which == 3)
				return false;
		}
		else
			if (event.button == 2 || event.button == 3)
			{
				event.cancelBubble = true
				event.returnValue = false;
				return false;
			}
	}
	document.oncontextmenu = nocontextmenu;
	document.onmousedown = norightclick;