fixed #3010

Author: Paul Bakaus

ui/ui.droppable.js

@@ -213,7 +213,7 @@ $.ui.ddmanager = {
 		//Run through all droppables and check their positions based on specific tolerance options
 		$.each($.ui.ddmanager.droppables, function() {
 
-			if(this.disabled || this.greedyChild || !this.visible) return;
+			if(this.options.disabled || this.greedyChild || !this.visible) return;
 			var intersects = $.ui.intersect(draggable, this, this.options.tolerance);
 
 			var c = !intersects && this.isover == 1 ? 'isout' : (intersects && this.isover == 0 ? 'isover' : null);