// JavaScript Document

function ouvrir(l,h,url) {
  hauteur=Math.round((screen.availHeight-h)/2);
  largeur=Math.round((screen.availWidth-l)/2);
  window.open(url, "MP3", "top="+hauteur+",left="+largeur+",width="+l+",height="+h+",scrollbars=no");
}