browserName = navigator.appName;
browserVer = parseInt(navigator.appVersion);

var fen = null ;
function fenetre(url) { 

if ((fen == null) || (fen.closed))
  {
  fen=window.open (url,'fenetre','width=1015,height=740,resizable=no,scrollbars=no,left=0,top=0');
  }
else
  {
  fen.document.location = url;
  fen.focus();
  }
}




var fen1 = null ;
function fenetre1(url) { 

if ((fen1 == null) || (fen1.closed))
  {
  fen1=window.open (url,'fenetre1','width=500,height=500,resizable=no,scrollbars=no,left=100,top=100');
  }
else
  {
  fen1.document.location = url;
  fen1.focus();
  }
}