function popup(adresse, name, x, y, top, left){
window.open(adresse,name,'location=no,toolbar=no,directories=no,menubar=no,scrollbars=no,status=no,resizable=yes,width='+x+',height='+y+',screenY='+top+',screenX='+left);
}

function popupScr(adresse, name, x, y, top, left){
window.open(adresse,name,'location=no,toolbar=no,directories=no,menubar=no,scrollbars=yes,status=no,resizable=yes,width='+x+',height='+y+',screenY='+top+',screenX='+left);
}

function VersionNav(Netscape, Explorer) {
  if ((navigator.appVersion.substring(0,3) >= Netscape && navigator.appName == 'Netscape') ||      
      (navigator.appVersion.substring(0,3) >= Explorer && navigator.appName.substring(0,9) == 'Microsoft'))
    return true;
else return false;
}