function setItem (item, value) {
  switch (value) {
    case 1:
      document.getElementById(item + '1').src = '/img/green-on.gif';
      document.getElementById(item + '2').src = '/img/orange-off.gif';
      document.getElementById(item + '3').src = '/img/red-off.gif';
      break;
    case 2:
      document.getElementById(item + '1').src = '/img/green-off.gif';
      document.getElementById(item + '2').src = '/img/orange-on.gif';
      document.getElementById(item + '3').src = '/img/red-off.gif';
      break;
    case 3:
      document.getElementById(item + '1').src = '/img/green-off.gif';
      document.getElementById(item + '2').src = '/img/orange-off.gif';
      document.getElementById(item + '3').src = '/img/red-on.gif';
      break;
  }
  document.forms[0][item].value = value;
}

function Toggle (object) {
  if (document.getElementById(object).style.visibility != 'visible') {
    document.getElementById(object).style.visibility = 'visible';
    document.getElementById(object).style.position = 'relative';
  } else {
    document.getElementById(object).style.visibility = 'hidden';
    document.getElementById(object).style.position = 'absolute';
  }
}

function Popup (url) {
  window.open(url, '_blank', 'width=650,height=500,left=' + ((screen.width - 500) / 2) + ',top=' + ((screen.height - 450) / 2) + ',scrollbars=yes,toolbar=no');
}

function ShowImage (image, object) {
  document.getElementById(object).src = image;
}