Dygraph.movePan = Dygraph.Interaction.movePan;
Dygraph.startPan = Dygraph.Interaction.startPan;
-Dygraph.Interaction.nonInteractiveModel = {
+Dygraph.Interaction.nonInteractiveModel_ = {
mousedown: function(event, g, context) {
context.initializeMouseDown(event, g, context);
},