minor fixes

check that 'alt' is a thing.
diff --git a/site/js/dev/ponymail_composer.js b/site/js/dev/ponymail_composer.js
index 9da9245..c972b2b 100644
--- a/site/js/dev/ponymail_composer.js
+++ b/site/js/dev/ponymail_composer.js
@@ -63,7 +63,7 @@
     // Push the subject and email body into the form data
     of.push("subject=" + encodeURIComponent(document.getElementById('reply_subject').value))
     of.push("body=" + encodeURIComponent(document.getElementById('reply_body').value))
-    if (login && login.alternates) {
+    if (login && login.alternates && document.getElementById('alt')) {
         of.push("alt=" + encodeURIComponent(document.getElementById('alt').options[document.getElementById('alt').selectedIndex].value))
     }
         
diff --git a/site/js/ponymail.js b/site/js/ponymail.js
index bc4d2ab..41d532c 100644
--- a/site/js/ponymail.js
+++ b/site/js/ponymail.js
@@ -138,7 +138,7 @@
     // Push the subject and email body into the form data
     of.push("subject=" + encodeURIComponent(document.getElementById('reply_subject').value))
     of.push("body=" + encodeURIComponent(document.getElementById('reply_body').value))
-    if (login && login.alternates) {
+    if (login && login.alternates && document.getElementById('alt')) {
         of.push("alt=" + encodeURIComponent(document.getElementById('alt').options[document.getElementById('alt').selectedIndex].value))
     }