function OpenHelp(id) {
  var myWin = window.open("help.php?id="+id, "Help",
   "screenX=300,screenY=200,innerHeight=300,innerWidth=350,menubar=0,personalBar=0,resizable=0,scrollbars=1,status=0,toolbar=0");
  myWin.focus();
}

function OpenCalculator() {
  var myWin = window.open("calculator.php", "Calculator",
   "screenX=400,screenY=300,innerHeight=200,innerWidth=300,menubar=0,personalBar=0,resizable=0,scrollbars=0,status=0,toolbar=0");
  myWin.focus();
}