From fca830007ac13f6d320dc3fda6bfb877c4cc79b7 Mon Sep 17 00:00:00 2001
From: matiangul <mateusz.angulski@gmail.com>
Date: Sat, 4 May 2013 11:05:00 +0200
Subject: [PATCH] Fixed is_empty method

---
 src/jquery.gridster.js | 16 +++++++++-------
 1 file changed, 9 insertions(+), 7 deletions(-)

diff --git a/src/jquery.gridster.js b/src/jquery.gridster.js
index 62373af77..d08c4ac59 100644
--- a/src/jquery.gridster.js
+++ b/src/jquery.gridster.js
@@ -1183,13 +1183,15 @@
     * @return {Boolean} Returns true or false.
     */
     fn.is_empty = function(col, row) {
-        if (typeof this.gridmap[col] !== 'undefined' &&
-            typeof this.gridmap[col][row] !== 'undefined' &&
-            this.gridmap[col][row] === false
-        ) {
-            return true;
-        }
-        return false;
+        if (typeof this.gridmap[col] !== 'undefined') {
+			if(typeof this.gridmap[col][row] !== 'undefined' &&
+				 this.gridmap[col][row] === false
+			) {
+				return true;
+			}
+			return false;
+		}
+		return true;
     };