* external url should not be loaded via lightbox otherwise lighbox will throw an error

themes/bootstrap3/templates/header.phtml

@@ -34,7 +34,7 @@
           </li>
           <li id="loginOptions"<? if($account->isLoggedIn()): ?> class="hidden"<? endif ?>>
             <? if ($account->getSessionInitiator($this->serverUrl($this->url('myresearch-home')))): ?>
-              <a href="<?=$this->url('myresearch-userlogin')?>" data-lightbox><i class="fa fa-sign-in"></i> <?=$this->transEsc("Institutional Login")?></a>
+              <a href="<?=$this->url('myresearch-userlogin')?>"><i class="fa fa-sign-in"></i> <?=$this->transEsc("Institutional Login")?></a>
             <? else: ?>
               <a href="<?=$this->url('myresearch-userlogin')?>" data-lightbox><i class="fa fa-sign-in"></i> <?=$this->transEsc("Login")?></a>
             <? endif; ?>