Change published options when changing purchase card

When user chooses 'default' purchase card, he is offered
only 'unpublished' choice, whereas when he chooses 'other'
purchase card, two options are showed -> 'published' and 'unpublished'

app/assets/javascripts/application.js

@@ -2,6 +2,7 @@
 //= require d3.v3.min
 //= require utility.js
 //= require auctionToggle.js
+//= require publishedToggle.js
 //= require deliveryDueAt.js
 //= require selectize
 //= require selectizer

app/assets/javascripts/publishedToggle.js

@@ -0,0 +1,14 @@
+$(document).ready(function() {
+  $("#auction_purchase_card").on("change", function(event) {
+    published_select_element = $("#auction_published")
+
+    published_option = "<option value='published'>published</option>"
+    unpublished_option = "<option value='unpublished'>unpublished</option>"
+
+    if(this.value == "default") {
+      published_select_element.empty().append(unpublished_option)
+    } else {
+      published_select_element.empty().append(published_option, unpublished_option)
+    }
+  });
+});