diff --git a/static/js/invite.js b/static/js/invite.js
index 12ad1466e4..2b5f57737b 100644
--- a/static/js/invite.js
+++ b/static/js/invite.js
@@ -2,6 +2,95 @@ var invite = (function () {
 
 var exports = {};
 
+function reset_error_messages() {
+    var invite_status = $('#invite_status');
+    var invitee_emails = $("#invitee_emails");
+    var invitee_emails_group = invitee_emails.closest('.control-group');
+
+    invite_status.hide().text('').removeClass('alert-error alert-warning alert-success');
+    invitee_emails_group.removeClass('warning error');
+    if (page_params.development_environment) {
+        $('#dev_env_msg').hide().text('').removeClass('alert-error alert-warning alert-success');
+    }
+}
+
+function submit_invitation_form() {
+    var invite_status = $('#invite_status');
+    var invitee_emails = $("#invitee_emails");
+    var invitee_emails_group = invitee_emails.closest('.control-group');
+    var invite_as = $('#invite_as').val();
+    var data = {
+        invitee_emails: $("#invitee_emails").val(),
+        invite_as_admin: invite_as === 'admin',
+        csrfmiddlewaretoken: $('input[name="csrfmiddlewaretoken"]').attr('value'),
+    };
+    var streams = [];
+    $.each($("#invite-stream-checkboxes input:checked"), function () {
+        streams.push($(this).val());
+    });
+    data.stream = streams;
+
+    channel.post({
+        url: "/json/invites",
+        data: data,
+        traditional: true,
+        beforeSubmit: function () {
+            reset_error_messages();
+            // TODO: You could alternatively parse the textarea here, and return errors to
+            // the user if they don't match certain constraints (i.e. not real email addresses,
+            // aren't in the right domain, etc.)
+            //
+            // OR, you could just let the server do it. Probably my temptation.
+            $('#submit-invitation').button('loading');
+            return true;
+        },
+        success: function () {
+            $('#submit-invitation').button('reset');
+            invite_status.text(i18n.t('User(s) invited successfully.'))
+                .addClass('alert-success')
+                .show();
+            invitee_emails.val('');
+
+            if (page_params.development_environment) {
+                var rendered_email_msg = templates.render('dev_env_email_access');
+                $('#dev_env_msg').html(rendered_email_msg).addClass('alert-info').show();
+            }
+
+        },
+        error: function (xhr) {
+            $('#submit-invitation').button('reset');
+            var arr = JSON.parse(xhr.responseText);
+            if (arr.errors === undefined) {
+                // There was a fatal error, no partial processing occurred.
+                invite_status.text(arr.msg)
+                    .addClass('alert-error')
+                    .show();
+            } else {
+                // Some users were not invited.
+                var invitee_emails_errored = [];
+                var error_list = $('<ul>');
+                _.each(arr.errors, function (value) {
+                    error_list.append($('<li>').text(value.join(': ')));
+                    invitee_emails_errored.push(value[0]);
+                });
+
+                invite_status.addClass('alert-warning')
+                    .empty()
+                    .append($('<p>').text(arr.msg))
+                    .append(error_list)
+                    .show();
+                invitee_emails_group.addClass('warning');
+
+                if (arr.sent_invitations) {
+                    invitee_emails.val(invitee_emails_errored.join('\n'));
+                }
+
+            }
+
+        },
+    });
+}
+
 // `get_invite_streams` is further modification of stream_data.invite_streams(), it is
 // defined here to keep stream_data.invite_stream() generic.
 exports.get_invite_streams = function () {
@@ -40,18 +129,6 @@ function update_subscription_checkboxes() {
     $('#streams_to_add').html(html);
 }
 
-function reset_error_messages() {
-    var invite_status = $('#invite_status');
-    var invitee_emails = $("#invitee_emails");
-    var invitee_emails_group = invitee_emails.closest('.control-group');
-
-    invite_status.hide().text('').removeClass('alert-error alert-warning alert-success');
-    invitee_emails_group.removeClass('warning error');
-    if (page_params.development_environment) {
-        $('#dev_env_msg').hide().text('').removeClass('alert-error alert-warning alert-success');
-    }
-}
-
 function prepare_form_to_be_shown() {
     update_subscription_checkboxes();
     reset_error_messages();
@@ -59,87 +136,10 @@ function prepare_form_to_be_shown() {
 
 exports.launch = function () {
     ui.set_up_scrollbar($("#invite_user_form .modal-body"));
-    var invite_status = $('#invite_status');
-    var invitee_emails = $("#invitee_emails");
-    var invitee_emails_group = invitee_emails.closest('.control-group');
 
     $('#submit-invitation').button();
     prepare_form_to_be_shown();
-    invitee_emails.focus().autosize();
-
-    $("#submit-invitation").on("click", function () {
-        var invite_as = $('#invite_as').val();
-        var data = {
-            invitee_emails: $("#invitee_emails").val(),
-            invite_as_admin: invite_as === 'admin',
-            csrfmiddlewaretoken: $('input[name="csrfmiddlewaretoken"]').attr('value'),
-        };
-        var streams = [];
-        $.each($("#invite-stream-checkboxes input:checked"), function () {
-            streams.push($(this).val());
-        });
-        data.stream = streams;
-
-        channel.post({
-            url: "/json/invites",
-            data: data,
-            traditional: true,
-            beforeSubmit: function () {
-                reset_error_messages();
-                // TODO: You could alternatively parse the textarea here, and return errors to
-                // the user if they don't match certain constraints (i.e. not real email addresses,
-                // aren't in the right domain, etc.)
-                //
-                // OR, you could just let the server do it. Probably my temptation.
-                $('#submit-invitation').button('loading');
-                return true;
-            },
-            success: function () {
-                $('#submit-invitation').button('reset');
-                invite_status.text(i18n.t('User(s) invited successfully.'))
-                    .addClass('alert-success')
-                    .show();
-                invitee_emails.val('');
-
-                if (page_params.development_environment) {
-                    var rendered_email_msg = templates.render('dev_env_email_access');
-                    $('#dev_env_msg').html(rendered_email_msg).addClass('alert-info').show();
-                }
-
-            },
-            error: function (xhr) {
-                $('#submit-invitation').button('reset');
-                var arr = JSON.parse(xhr.responseText);
-                if (arr.errors === undefined) {
-                    // There was a fatal error, no partial processing occurred.
-                    invite_status.text(arr.msg)
-                        .addClass('alert-error')
-                        .show();
-                } else {
-                    // Some users were not invited.
-                    var invitee_emails_errored = [];
-                    var error_list = $('<ul>');
-                    _.each(arr.errors, function (value) {
-                        error_list.append($('<li>').text(value.join(': ')));
-                        invitee_emails_errored.push(value[0]);
-                    });
-
-                    invite_status.addClass('alert-warning')
-                        .empty()
-                        .append($('<p>').text(arr.msg))
-                        .append(error_list)
-                        .show();
-                    invitee_emails_group.addClass('warning');
-
-                    if (arr.sent_invitations) {
-                        invitee_emails.val(invitee_emails_errored.join('\n'));
-                    }
-
-                }
-
-            },
-        });
-    });
+    $("#invitee_emails").focus().autosize();
 
     overlays.open_overlay({
         name: 'invite',
@@ -148,6 +148,7 @@ exports.launch = function () {
             hashchange.exit_overlay();
         },
     });
+    $("#submit-invitation").on("click", submit_invitation_form);
 };
 
 exports.initialize = function () {