function mentions() {
	open('mentions.htm','ml','width=550, height=500, scrollbars');
}

function popup() {
	l=screen.width/2;
	h=screen.height/2;
	haut=h-(h/2);
	gauche=l-(l/2);
	window.open('popup.html','popup','width=540, height=400, top='+haut+', left='+gauche+', scrollbars=no, resizable=no, toolbar=no ,directories=no, menubar=no, status=no, location=no');
}