// pour centrer un popup
function popcenter(page,largeur,hauteur,options) {
  var top=(screen.height-hauteur)/2;
  var left=(screen.width-largeur)/2;
  window.open(page,"","top="+(top+10)+",left="+(left-14)+",width="+largeur+",height="+hauteur+","+options);
}

function popcenterwords(page,largeur,hauteur,options) {
  var top=(screen.height-hauteur)/2;
  var left=(screen.width-largeur)/2;
  window.open(page,"","top="+top+",left="+left+",width="+largeur+",height="+hauteur+","+options);
}

function auvillar() {
var w = 600;
var h = 418;
var top=(screen.height-h)/2;
var left=(screen.width-w)/2;
window.open('auvillar.php',"",'toolbar=no,location=no,menubar=no,scrollbars=no,resizable=no,copyhistory=no,width='+w+',height='+h+',left='+(left-12)+',top='+top);
}