function IsNumeric(sText) 
{
  var ValidChars = "0123456789";
  var IsNumber=true;
  var Char;

  for (i = 0; i < sText.length && IsNumber == true; i++) 
  { 
    Char = sText.charAt(i); 
    if (ValidChars.indexOf(Char) == -1) 
    {
      IsNumber = false;
    }
  }
  return IsNumber;
}

function Popup(id) 
{
  var iddep = id
  var largeur = 600
  var hauteur = 270
  if (IsNumeric(iddep) && iddep.length == 2)
  {
      var gauche = (screen.availWidth - largeur) / 2
      var haut = (screen.availHeight - hauteur) / 2
      newWindow = window.open('../contact/redir.asp?id='+iddep,'','toolbar=no,location=no,directories=no,status=no,scrollbars=no,resizable=no,copyhistory=no,height='+hauteur+',width='+largeur+',left='+gauche+',top='+haut+'')
      newWindow.focus()
  }
}