function open_photo(url, largeur, hauteur){
  window.open(url,'photo','toolbar=no, location=no, directories=no, status=yes, scrollbars=no, resizable=no, copyhistory=no, width='+largeur+', height='+hauteur+'');
}
function photo_user(url){
  window.open(url,'addphoto','toolbar=no, location=no, directories=no, status=yes, scrollbars=auto, resizable=no, copyhistory=no, width=300, height=400');
}