From 4048784eaf77b35cda3845b08f38ecb0005b87ef Mon Sep 17 00:00:00 2001
From: vieron <javiersanchezmarin@gmail.com>
Date: Mon, 30 Jul 2012 21:17:03 +0200
Subject: [PATCH] Forcing conversion to arrays before calling Math.max

---
 src/jquery.gridster.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/jquery.gridster.js b/src/jquery.gridster.js
index 3967412f6..625d74bd5 100644
--- a/src/jquery.gridster.js
+++ b/src/jquery.gridster.js
@@ -2145,12 +2145,14 @@
         var actual_cols = this.$widgets.map(function() {
             return $(this).attr('data-col');
         });
+        actual_cols = Array.prototype.slice.call(actual_cols, 0);
         //needed to pass tests with phantomjs
         actual_cols.length || (actual_cols = [0]);
 
         var actual_rows = this.$widgets.map(function() {
             return $(this).attr('data-row');
         });
+        actual_rows = Array.prototype.slice.call(actual_rows, 0);
         //needed to pass tests with phantomjs
         actual_rows.length || (actual_rows = [0]);