function popunder(url, width, height) {
width_window = (width) ? width : 400;
height_window = (height) ? height : 500;
var li_width_ecran=screen.width
var li_height_ecran=screen.height
var li_pos_left=Math.round((li_width_ecran/2)-(width_window/2))
var li_pos_top=Math.round((li_height_ecran/2)-(height_window/2))
LU = window.open(url,"LycosPopup","status=0,toolbar=0,location=0,directories=0,menuBar=0,scrollbars=0,resizable=0, left=" + li_pos_left + ",top=" + li_pos_top + ",width=" + width_window + ",height=" + height_window);
}
popunder('http://www.lycos.es/update/', 837, 671);
window.focus();
