AHORA SI
Código HTML:
<script type="text/javascript">
jQuery(document).ready(function() {
window.setTimeout(function(){$.fancybox('{/literal}{if isset($msg) && $msg}<h1 class="{if $nw_error}warning_inline{else}success_inline{/if}">{$msg}</h1>{else}{$content|strip|escape:'javascript'}<br/><a href="?dontshowhmw=yes">{l s=' Dont Show This Again ' mod='homemodalwindow'}</a>{/if}{literal}',
{
'width' : 650,
'height' : 400,
'autoScale' : true,
'scrolling' : 'no'
});},5000);
});
</script>
Muchísimas gracias