<!-- IF S_USER_PM_POPUP and S_NEW_PM -->
	popup('{UA_POPUP_PM}', 400, 225, '_phpbbprivmsg');
<!-- ENDIF -->

function popup(url, width, height, name)
{
	if (!name)
	{
		name = '_popup';
	}

	window.open(url.replace(/&amp;/g, '&'), name, 'height=' + height + ',resizable=yes,scrollbars=yes,width=' + width);
	return false;
}