From 0a12681f3089ca564832ac33c3caf928841bae73 Mon Sep 17 00:00:00 2001
From: David Bolter <david.bolter@gmail.com>
Date: Thu, 10 Jul 2008 14:28:19 +0000
Subject: [PATCH] fix for arrow key operation (refs #3801)

---
 ui/ui.slider.js | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/ui/ui.slider.js b/ui/ui.slider.js
index fc4cbd8702..fe2d514a02 100644
--- a/ui/ui.slider.js
+++ b/ui/ui.slider.js
@@ -158,9 +158,10 @@ $.widget("ui.slider", {
 	
 	keydown: function(keyCode, handle) {
 		if(/(37|38|39|40)/.test(keyCode)) {
+			var oper = /(37|40)/.test(keyCode) ? "-=" : "+=";
 			this.moveTo({
-				x: /(37|39)/.test(keyCode) ? (keyCode == 37 ? '-' : '+') + '=' + this.oneStep("x") : 0,
-				y: /(38|40)/.test(keyCode) ? (keyCode == 38 ? '-' : '+') + '=' + this.oneStep("y") : 0
+				x: oper + this.oneStep("x"),
+				y: oper + this.oneStep("y")
 			}, handle);
 		}
 	},