<!--
function popup(lien,width,height){ 
  var top=(screen.height-height)/2;
  var left=(screen.width-width)/2;
  var options="enubar=yes,scrollbars=yes,statusbar=yes,resizable=yes"
  window.open(lien,"","top="+top+",left="+left+",width="+width+",height="+height+","+options);
}
//-->