<script type="text/javascript">
<!--
$('document').ready(function(){
+[% IF INSTANCE_CONF.get_invoice_prevent_browser_back %]
+ function disableBack() { window.history.forward() };
+ window.onload = disableBack();
+ window.onpageshow = function(evt) { if (evt.persisted) disableBack() };
+[% END %]
+
[% IF resubmit && is_format_html %]
window.open('about:blank','Beleg');
document.invoice.target = 'Beleg';