MINOR Avoid breaking IE on CMS ajax responses which don't contain CSS…

… class names (splitting on NULL) (#7002)
silverstripe · Mar 30, 2012 · 3f4aba5 · 3f4aba5
1 parent c518a19
commit 3f4aba5
Showing 1 changed file with 7 additions and 6 deletions.
diff --git a/admin/javascript/LeftAndMain.js b/admin/javascript/LeftAndMain.js
@@ -223,12 +223,13 @@ jQuery.noConflict();
 						var layoutClasses = ['east', 'west', 'center', 'north', 'south'];
 						var elemClasses = contentEl.attr('class');
 
-						var origLayoutClasses = $.grep(
+						var origLayoutClasses = '';
-							elemClasses.split(' '),
+						if(elemClasses) {
-							function(val) { 
+							origLayoutClasses = $.grep(
-								return ($.inArray(val, layoutClasses) >= 0);
+								elemClasses.split(' '),
-							}
+								function(val) { return ($.inArray(val, layoutClasses) >= 0);}
-						);
+							);
+						}
 
 						newContentEl
 							.removeClass(layoutClasses.join(' '))