function OuvrePopup(page, w, h)
{
	var winl = (screen.width - w) / 2;
	var wint = (screen.height - h) / 2;
	
	if((wint + h) > (screen.height - 75))
	{
		wint = 0;
	}

	fenetreOuvrePopup = window.open(page,'','top=' + wint + ',left=' + winl + ',width=' + w + ',height=' + h + ',location=no,menubar=no,resizable=non,scrollbars=no,status=no,toolbar=no');
	fenetreOuvrePopup.focus();
}<!-- efface -->