RVRNEXT-38 do not reference authenticateWithGoogleButton whet it does not exist

public/static/js/account/account.js

@@ -59,11 +59,10 @@ var Account = {
 };
 
 (function () {
-    document.getElementById('authenticateWithGoogleButton').onclick = function () {
-        Account.openGoogleAuthenticate();
-    };
-
-    document.getElementsByTagName('form')[0].onreset = function () {
-        Account.resetGoogleAuthentication();
-    };
+    var authenticateWithGoogleButton = document.getElementById('authenticateWithGoogleButton');
+    if (authenticateWithGoogleButton) {
+        authenticateWithGoogleButton.onclick = function () {
+            Account.openGoogleAuthenticate();
+        };
+    }
 })();