var popUpWin=0;
function popUpWindow(URLStr, left, top, width, height)
{
  if(popUpWin)
  {
    if(!popUpWin.closed) popUpWin.close();
  }
  popUpWin = open(URLStr, 'popUpWin', 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=no,copyhistory=yes,width='+width+',height='+height+',left='+left+', top='+top+',screenX='+left+',screenY='+top+'');
}

function dateCheck(datum)
{ 
	if(datum.value.length==4) datum.value += "-"; 
	else if (datum.value.length==7) datum.value += "-";  
} 


function calcDoses(){
    var dosesPerDay = document.getElementById('OrsDozeAmount');
    var hfDosesPerDay = document.getElementById('hfDozeAmount');
    var mouthpieceNo = document.getElementById('OrsMouthPieceAmount').value;
    var dosingPerDay = document.getElementById('txtDosesDay').value;
    var secPerDose = document.getElementById('drpSecPerDose').value;
    var mlPerDose = 1.3;
    var doseSize = 100;


    dosesPerDay.value = ((mouthpieceNo * dosingPerDay * secPerDose * mlPerDose) / doseSize).toString().replace('.', ',');
    hfDosesPerDay.value = ((mouthpieceNo * dosingPerDay * secPerDose * mlPerDose) / doseSize).toString().replace('.', ',');
}