From df1ec9ff3c1d3fe0f74be26f9fa81bd73d579357 Mon Sep 17 00:00:00 2001
From: Guangcong Luo <guangcongluo@gmail.com>
Date: Tue, 30 Jun 2015 02:05:41 -0500
Subject: [PATCH] Make sure popups are on-screen

---
 js/client.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/js/client.js b/js/client.js
index b1ff15168..68176af31 100644
--- a/js/client.js
+++ b/js/client.js
@@ -2041,7 +2041,7 @@
 						(offset.top + sourceHeight < room * 2/3 || offset.top + sourceHeight + 200 < room)) {
 						$el.css('top', offset.top + sourceHeight);
 					} else if (height + 5 <= offset.top) {
-						$el.css('bottom', room - offset.top);
+						$el.css('bottom', Math.max(room - offset.top, 0));
 					} else if (height + 10 < room) {
 						$el.css('bottom', 5);
 					} else {