Index: branches/5.2.x/core/admin_templates/js/simple_grid.js
===================================================================
diff -u -N -r14604 -r16152
--- branches/5.2.x/core/admin_templates/js/simple_grid.js	(.../simple_grid.js)	(revision 14604)
+++ branches/5.2.x/core/admin_templates/js/simple_grid.js	(.../simple_grid.js)	(revision 16152)
@@ -165,8 +165,9 @@
 }
 
 SimpleGrid.prototype.processOddEven = function () {
-	var $me = this;
-	var $class_name = 'odd';
+	var $me = this,
+		$prev_class_name = 'even',
+		$next_class_name = 'odd';
 
 	$('> div', this.getControl('container')).each(
 		function () {
@@ -176,8 +177,10 @@
 				return ;
 			}
 
-			$me.getControl(RegExp.$1).className = $class_name;
-			$class_name = $class_name == 'odd' ? 'even' : 'odd';
+			$prev_class_name = $next_class_name == 'odd' ? 'even' : 'odd';
+
+			$($me.getControl(RegExp.$1)).removeClass($prev_class_name).addClass($next_class_name);
+			$next_class_name = $prev_class_name;
 		}
 	);
 }