function centerOpen(url, name, width, height, resize) { // Ouverture d'une popup centrée

	var left = (window.screen.width/2) - (width / 2 + 10);
	var top = (window.screen.height/2) - (height / 2 + 50);
	var wincenter = window.open(url,name,"width=" + width + ",height=" + height + ",left=" + left + ",top=" + top + ",screenX=" + left + ",screenY=" + top + ",toolbar=no,menubar=no,status=no,scrollbars=yes,resizable=" + resize +",directories=no");

	wincenter.focus();
}