function _(o) {
	if (!o) return false;
	if (!document.getElementById) return false;
	if (!document.getElementById(o)) return false;
	return document.getElementById(o);
}

function open_mentions() {
	v_w=550; v_h=660; v_t=10; v_l=100;
	myUrl = 'mentions_legales.html';
	myTitle = "Avocats Mode d'emploi :: Mentions légales";
	if (document.all) myTitle='_blank';
	myStats = "toolbar=no,location=no,directories=no,status=no,scrollbars=no,menubar=no,resizable=0,width="+v_w+",height="+v_h+",left="+v_l+",top="+v_t;
	mywin=window.open(myUrl,myTitle,myStats);
	mywin.focus();
}