progress availability check added

2011-07-21 14:53:09 +04:00 · 2011-07-21 14:53:09 +04:00 · 8658830fc5
parent c1c5b35091
commit 8658830fc5
1 changed files with 1 additions and 0 deletions
--- a/scripts/script.js
+++ b/scripts/script.js
@ -65,6 +65,7 @@
 	}

 	function updateProgress(slide_number) {
+		if (!progress) return;
 		progress.style.width = (100 / (slideList.length - 1) * normalizeSlideNumber(slide_number)).toFixed(2) + '%';
 	}