function sondage()
{
	window.open('http://outils.acf-webmaster.net/sondage/sondage.php', 'sondage', 'toolbar=no, location=no, directories=no, status=no, scrollbars=yes, resizable=no, copyhistory=no, width=750, height=550');
}

document.write('<font face="verdana,arial" size="2"><a href="javascript:sondage();">Participer au sondage</a></font>');