From 3dc53b891d54120bf0db7f26cb6e829f7b889736 Mon Sep 17 00:00:00 2001
From: Hakim El Hattab
Date: Sat, 17 Aug 2013 12:18:48 -0400
Subject: prevent invalid slidechanged on page load

---
 js/reveal.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'js/reveal.js')

diff --git a/js/reveal.js b/js/reveal.js
index cf9df15..4ce8f3b 100644
--- a/js/reveal.js
+++ b/js/reveal.js
@@ -1409,8 +1409,8 @@ var Reveal = (function(){
 		// Reset the state array
 		state.length = 0;
 
-		var indexhBefore = indexh,
-			indexvBefore = indexv;
+		var indexhBefore = indexh || 0,
+			indexvBefore = indexv || 0;
 
 		// Activate and transition to the new slide
 		indexh = updateSlides( HORIZONTAL_SLIDES_SELECTOR, h === undefined ? indexh : h );
-- 
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