} else if (regionHeight >= 10 && context.dragDirection == Dygraph.VERTICAL) {
g.doZoomY_(Math.min(context.dragStartY, context.dragEndY),
Math.max(context.dragStartY, context.dragEndY));
} else if (regionHeight >= 10 && context.dragDirection == Dygraph.VERTICAL) {
g.doZoomY_(Math.min(context.dragStartY, context.dragEndY),
Math.max(context.dragStartY, context.dragEndY));