diff --git a/stages/static/js/avail_form.js b/stages/static/js/avail_form.js
new file mode 100644
index 0000000..42e6f81
--- /dev/null
+++ b/stages/static/js/avail_form.js
@@ -0,0 +1,18 @@
+django.jQuery(document).ready(function() {
+  django.jQuery('#id_corporation, .field-corporation select').change(function(ev) {
+    // Fill contact select
+    // Either in availability admin, or in stages admin with availability inlines
+    if (this.id == 'id_corporation') var sel = django.jQuery('#id_contact');
+    else var sel = django.jQuery(this).closest('fieldset').find('.field-contact select');
+    sel.html('<option value="">-------</option>');
+    var id_corp = django.jQuery("option:selected", this).val();
+    django.jQuery.getJSON('/corporation/' + id_corp + '/contacts/', function(data) {
+        django.jQuery.each(data, function(key, contact) {
+            var item = contact.first_name + ' ' + contact.last_name;
+            if (contact.role.length) item += ' (' + contact.role + ')';
+            sel.append(django.jQuery("<option />").val(contact.id).text(item));
+        });
+        if (data.length == 1) sel.val(data[0].id);
+    });
+  });
+});