From fab51bc7d1fcaa7c4382d7e1ddafcc8a10773d04 Mon Sep 17 00:00:00 2001
From: Alex Osh <alex.oshchepkov@gmail.com>
Date: Mon, 20 Oct 2014 09:59:55 +0600
Subject: [PATCH] Fix scrolling for firefox

https://github.com/cubiq/iscroll/issues/577
---
 build/iscroll.js | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/build/iscroll.js b/build/iscroll.js
index 0b141f92..edec99fd 100644
--- a/build/iscroll.js
+++ b/build/iscroll.js
@@ -4,7 +4,7 @@ var rAF = window.requestAnimationFrame	||
 	window.webkitRequestAnimationFrame	||
 	window.mozRequestAnimationFrame		||
 	window.oRequestAnimationFrame		||
-	window.msRequestAnimationFrame		||
+	window.msRequestAnimat_ionFrame		||
 	function (callback) { window.setTimeout(callback, 1000 / 60); };
 
 var utils = (function () {
@@ -1048,8 +1048,13 @@ IScroll.prototype = {
 		}, 400);
 
 		if ( 'deltaX' in e ) {
-			wheelDeltaX = -e.deltaX;
-			wheelDeltaY = -e.deltaY;
+			if (e.deltaMode === 1) {
+				wheelDeltaX = -e.deltaX * this.options.mouseWheelSpeed;
+				wheelDeltaY = -e.deltaY * this.options.mouseWheelSpeed;
+			} else {
+				wheelDeltaX = -e.deltaX;
+				wheelDeltaY = -e.deltaY;
+			}
 		} else if ( 'wheelDeltaX' in e ) {
 			wheelDeltaX = e.wheelDeltaX / 120 * this.options.mouseWheelSpeed;
 			wheelDeltaY = e.wheelDeltaY / 120 * this.options.mouseWheelSpeed;