anchor.diff:  
   <script>
   	
  -	// $( document ).ready(function() {
  +	$( document ).ready(function() {
   
   		<% if @donation %>
   			var ch = $('#donation_custom_billing_address');
  
positive.code: <%= f.input :cc_type, collection: credit_cards, label: 'Credit Card Type' %>
  
  <%= f.input :cc_number, input_html: { maxlength: 16 }, label: 'Credit Card Number', hint: 'No spaces please.' %>
  
negative.code: 			} else {
  				c_b_a.hide();
  			}
  		}); 
  		ch.trigger('change');  
  	});
  	
  </script>
  