joeWin = null;

function cipher() {
  //empty
}  

function showJoe() {
  if (!joeWin || joeWin.closed) {
    joeWin = openJoe();
  } else {
    joeWin.focus();
  }
}    

function openJoe() {
  var winHndl,iWidth,iHeight;
  var docName = 'joe.htm';
  var winName = 'joeWin';
  iWidth  = 525;
  iHeight = 250;
  var cOpts = 'scrollbars=0,location=0,titlebar=0, status=no, left=275, top=300,width=' + iWidth + ',height=' + iHeight;
  winHndl = window.open(docName,winName,cOpts);
  return winHndl;
}

function chkMsg() {
  
  if (document.getMsg.fullname.value == '') {
    alert('Please enter your name');
    return false;
  }

  if (document.getMsg.subject.value == '') {
    alert('Please enter a subject');
    return false;
  }
  
  document.getMsg.submit();
}