From 5ca1571781560f7c8953ad0ffed3e1b50be600e0 Mon Sep 17 00:00:00 2001
From: Luke L <dachande663@gmail.com>
Date: Fri, 4 Mar 2011 15:02:28 +0000
Subject: [PATCH] _sort now falls back to original-order if comparing elements
 with equal values

---
 jquery.isotope.js | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/jquery.isotope.js b/jquery.isotope.js
index f73874e..4d4c0df 100644
--- a/jquery.isotope.js
+++ b/jquery.isotope.js
@@ -564,7 +564,13 @@
           sortFn = function( alpha, beta ) {
             var a = getSorter( alpha ),
                 b = getSorter( beta );
-            return ( ( a > b ) ? 1 : ( a < b ) ? -1 : 0 ) * sortDir;
+	        if(a==b && instance.options.sortBy != 'original-order') {
+	          a = $(alpha).data('isotope-sort-data')['original-order'];
+	          b = $(beta).data('isotope-sort-data')['original-order'];
+	          return ( ( a > b ) ? 1 : ( a < b ) ? -1 : 0 ) * sortDir;
+	        } else {
+	          return ( (a>b)?1:-1 ) * sortDir;
+	        }
           };
       
       this.$filteredAtoms.sort( sortFn );