empty form action shouldn't always be skipped
<form id="credentials" method="post" action="">
<div id="cred_userid_container" class="login_textfield textfield">
<span class="input_field textfield">
<label for="cred_userid_inputtext" class="no_display" aria-hidden="true">User account</label>
<div class="input_border">
empty form action shouldn't always be skipped