Fix mongoid deeply nested polimorphic

Got the commit from github. The roles and sub_roles save.

app/assets/javascripts/attribute_form.js.erb

@@ -2,12 +2,12 @@ $('.attributes_block a.delete').live('click', function(){
   $(this).parents('.list_item').remove();
 });
 
-$('#attributes a.remove_existing_record').live('click', function(){
+$('.action a.remove_existing_record').live('click', function(){
   $(this).next('.should_destroy').attr('value', 1);
   $("#attribute_" + $(this).prev().attr('value')).hide();
 });
 
-$('#attributes_block a.switch').live('click', function(){
+$('.action a.switch').live('click', function(){
   $(this).parent().toggleClass('disable');
 	var $am = $(this).next('.built_in_state')
 	$am.attr('value', ($am.attr('value') == "false") ? "true" : "false");