lbowConnector;
		
				graph.alternateEdgeStyle = 'elbow=vertical';

				// Installs a custom tooltip for cells
				graph.getTooltipForCell = function(cell)
				{
					return 'Doubleclick and right- or shiftclick';
				}
				
				// Installs a popupmenu handler using local function (see below).
				graph.popupMenuHandler.factoryMethod = function(menu, cell, evt)
				{
					return createPopupMenu(graph, menu, cell, evt);
				};
				
				// Gets the default parent for inserting new cells. This
				// is normal