From a52648f6377b5ec0f86405e512a5a60f590e208e Mon Sep 17 00:00:00 2001
From: bumbu <bmbalex@gmail.com>
Date: Tue, 10 Sep 2013 23:14:03 +0300
Subject: [PATCH] fix #340 : Scroll to zoom in IE9 and 10

---
 src/extensions/cytoscape.renderer.canvas.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/extensions/cytoscape.renderer.canvas.js b/src/extensions/cytoscape.renderer.canvas.js
index 0021435af..e960f59e1 100644
--- a/src/extensions/cytoscape.renderer.canvas.js
+++ b/src/extensions/cytoscape.renderer.canvas.js
@@ -855,7 +855,7 @@
 			if (r.zoomData.freeToZoom) {
 				e.preventDefault();
 				
-				var diff = e.wheelDeltaY / 1000 || e.detail / -32;
+				var diff = e.wheelDeltaY / 1000 || e.wheelDelta / 1000 || e.detail / -32;
 				
 				if( cy.panningEnabled() && cy.zoomingEnabled() ){
 					cy.zoom({level: cy.zoom() * Math.pow(10, diff), position: {x: unpos[0], y: unpos[1]}});