function getField(fldName, strType) {
  var arrCheck = new Array;
  var blnFound = false;
  arrObjects = document.getElementsByTagName(strType.toUpperCase());

  for (i=0; i<arrObjects.length; i++) {
    if (arrObjects[i].id.split("_")[arrObjects[i].id.split("_").length - 1] == fldName) {
      blnFound = true;
      break;
    }
  }
	
  return arrObjects[i];
}

function disableAllFormElements() {
  var arrInput = document.getElementsByTagName('input');
  for (i=0; i<arrInput.length; i++) {
    arrInput[i].disabled = true;
  }
  var arrInput = document.getElementsByTagName('select');
  for (i=0; i<arrInput.length; i++) {
    arrInput[i].disabled = true;
  }
}

function enableAllFormElements() {
  var arrInput = document.getElementsByTagName('input');
  for (i=0; i<arrInput.length; i++) {
    arrInput[i].disabled = false;
  }
  var arrInput = document.getElementsByTagName('select');
  for (i=0; i<arrInput.length; i++) {
    arrInput[i].disabled = false;
  }
}