// http://www.mredkj.com/javascript/numberFormatPage2.html
function NumberFormat(num, inputDecimal) {
  this.VERSION = 'Number Format v1.5.4';
  this.COMMA = ',';
  this.PERIOD = '.';
  this.DASH = '-';
  this.LEFT_PAREN = '(';
  this.RIGHT_PAREN = ')';
  this.LEFT_OUTSIDE = 0;
  this.LEFT_INSIDE = 1;
  this.RIGHT_INSIDE = 2;
  this.RIGHT_OUTSIDE = 3;
  this.LEFT_DASH = 0;
  this.RIGHT_DASH = 1;
  this.PARENTHESIS = 2;
  this.NO_ROUNDING = -1
  this.num;
  this.numOriginal;
  this.hasSeparators = false;
  this.separatorValue;
  this.inputDecimalValue;
  this.decimalValue;
  this.negativeFormat;
  this.negativeRed;
  this.hasCurrency;
  this.currencyPosition;
  this.currencyValue;
  this.places;
  this.roundToPlaces;
  this.truncate;
  this.setNumber = setNumberNF;
  this.toUnformatted = toUnformattedNF;
  this.setInputDecimal = setInputDecimalNF;
  this.setSeparators = setSeparatorsNF;
  this.setCommas = setCommasNF;
  this.setNegativeFormat = setNegativeFormatNF;
  this.setNegativeRed = setNegativeRedNF;
  this.setCurrency = setCurrencyNF;
  this.setCurrencyPrefix = setCurrencyPrefixNF;
  this.setCurrencyValue = setCurrencyValueNF;
  this.setCurrencyPosition = setCurrencyPositionNF;
  this.setPlaces = setPlacesNF;
  this.toFormatted = toFormattedNF;
  this.toPercentage = toPercentageNF;
  this.getOriginal = getOriginalNF;
  this.moveDecimalRight = moveDecimalRightNF;
  this.moveDecimalLeft = moveDecimalLeftNF;
  this.getRounded = getRoundedNF;
  this.preserveZeros = preserveZerosNF;
  this.justNumber = justNumberNF;
  this.expandExponential = expandExponentialNF;
  this.getZeros = getZerosNF;
  this.moveDecimalAsString = moveDecimalAsStringNF;
  this.moveDecimal = moveDecimalNF;
  this.addSeparators = addSeparatorsNF;
  if (inputDecimal == null) {
    this.setNumber(num, this.PERIOD);
  } else {
    this.setNumber(num, inputDecimal);
  }
  this.setCommas(true);
  this.setNegativeFormat(this.LEFT_DASH);
  this.setNegativeRed(false);
  this.setCurrency(false);
  this.setCurrencyPrefix('$');
  this.setPlaces(2);
}

function setInputDecimalNF(val) {
  this.inputDecimalValue = val;
}

function setNumberNF(num, inputDecimal) {
  if (inputDecimal != null) {
    this.setInputDecimal(inputDecimal);
  }

  this.numOriginal = num;
  this.num = this.justNumber(num);
}

function toUnformattedNF() {
  return (this.num);
}

function getOriginalNF() {
  return (this.numOriginal);
}

function setNegativeFormatNF(format) {
  this.negativeFormat = format;
}

function setNegativeRedNF(isRed) {
  this.negativeRed = isRed;
}

function setSeparatorsNF(isC, separator, decimal) {
  this.hasSeparators = isC;
  if (separator == null) separator = this.COMMA;
  if (decimal == null) decimal = this.PERIOD;
  if (separator == decimal) {
    this.decimalValue = (decimal == this.PERIOD) ? this.COMMA : this.PERIOD;
  } else {
    this.decimalValue = decimal;
  }
  this.separatorValue = separator;
}

function setCommasNF(isC) {
  this.setSeparators(isC, this.COMMA, this.PERIOD);
}

function setCurrencyNF(isC) {
  this.hasCurrency = isC;
}

function setCurrencyValueNF(val) {
  this.currencyValue = val;
}

function setCurrencyPrefixNF(cp) {
  this.setCurrencyValue(cp);
  this.setCurrencyPosition(this.LEFT_OUTSIDE);
}

function setCurrencyPositionNF(cp) {
  this.currencyPosition = cp
}

function setPlacesNF(p, tr) {
  this.roundToPlaces = !(p == this.NO_ROUNDING);
  this.truncate = (tr != null && tr);
  this.places = (p < 0) ? 0 : p;
}

function addSeparatorsNF(nStr, inD, outD, sep) {
  nStr += '';
  var dpos = nStr.indexOf(inD);
  var nStrEnd = '';
  if (dpos != -1) {
    nStrEnd = outD + nStr.substring(dpos + 1, nStr.length);
    nStr = nStr.substring(0, dpos);
  }
  var rgx = /(\d+)(\d{3})/;
  while (rgx.test(nStr)) {
    nStr = nStr.replace(rgx, '$1' + sep + '$2');
  }
  return nStr + nStrEnd;
}

function toFormattedNF() {
  var pos;
  var nNum = this.num;
  var nStr;
  var splitString = new Array(2);
  if (this.roundToPlaces) {
    nNum = this.getRounded(nNum);
    nStr = this.preserveZeros(Math.abs(nNum));
  } else {
    nStr = this.expandExponential(Math.abs(nNum));
  }
  if (this.hasSeparators) {
    nStr = this.addSeparators(nStr, this.PERIOD, this.decimalValue, this.separatorValue);
  } else {
    nStr = nStr.replace(new RegExp('\\' + this.PERIOD), this.decimalValue);
  }
  var c0 = '';
  var n0 = '';
  var c1 = '';
  var n1 = '';
  var n2 = '';
  var c2 = '';
  var n3 = '';
  var c3 = '';
  var negSignL = (this.negativeFormat == this.PARENTHESIS) ? this.LEFT_PAREN : this.DASH;
  var negSignR = (this.negativeFormat == this.PARENTHESIS) ? this.RIGHT_PAREN : this.DASH;
  if (this.currencyPosition == this.LEFT_OUTSIDE) {
    if (nNum < 0) {
      if (this.negativeFormat == this.LEFT_DASH || this.negativeFormat == this.PARENTHESIS) n1 = negSignL;
      if (this.negativeFormat == this.RIGHT_DASH || this.negativeFormat == this.PARENTHESIS) n2 = negSignR;
    }
    if (this.hasCurrency) c0 = this.currencyValue;
  } else if (this.currencyPosition == this.LEFT_INSIDE) {
    if (nNum < 0) {
      if (this.negativeFormat == this.LEFT_DASH || this.negativeFormat == this.PARENTHESIS) n0 = negSignL;
      if (this.negativeFormat == this.RIGHT_DASH || this.negativeFormat == this.PARENTHESIS) n3 = negSignR;
    }
    if (this.hasCurrency) c1 = this.currencyValue;
  }
  else if (this.currencyPosition == this.RIGHT_INSIDE) {
    if (nNum < 0) {
      if (this.negativeFormat == this.LEFT_DASH || this.negativeFormat == this.PARENTHESIS) n0 = negSignL;
      if (this.negativeFormat == this.RIGHT_DASH || this.negativeFormat == this.PARENTHESIS) n3 = negSignR;
    }
    if (this.hasCurrency) c2 = this.currencyValue;
  }
  else if (this.currencyPosition == this.RIGHT_OUTSIDE) {
    if (nNum < 0) {
      if (this.negativeFormat == this.LEFT_DASH || this.negativeFormat == this.PARENTHESIS) n1 = negSignL;
      if (this.negativeFormat == this.RIGHT_DASH || this.negativeFormat == this.PARENTHESIS) n2 = negSignR;
    }
    if (this.hasCurrency) c3 = this.currencyValue;
  }
  nStr = c0 + n0 + c1 + n1 + nStr + n2 + c2 + n3 + c3;
  if (this.negativeRed && nNum < 0) {
    nStr = '<font color="red">' + nStr + '</font>';
  }
  return (nStr);
}

function toPercentageNF() {
  nNum = this.num * 100;
  nNum = this.getRounded(nNum);
  return nNum + '%';
}

function getZerosNF(places) {
  var extraZ = '';
  var i;
  for (i = 0; i < places; i++) {
    extraZ += '0';
  }
  return extraZ;
}

function expandExponentialNF(origVal) {
  if (isNaN(origVal)) return origVal;
  var newVal = parseFloat(origVal) + '';
  var eLoc = newVal.toLowerCase().indexOf('e');
  if (eLoc != -1) {
    var plusLoc = newVal.toLowerCase().indexOf('+');
    var negLoc = newVal.toLowerCase().indexOf('-', eLoc);
    var justNumber = newVal.substring(0, eLoc);
    if (negLoc != -1) {
      var places = newVal.substring(negLoc + 1, newVal.length);
      justNumber = this.moveDecimalAsString(justNumber, true, parseInt(places));
    } else {
      if (plusLoc == -1) plusLoc = eLoc;
      var places = newVal.substring(plusLoc + 1, newVal.length);
      justNumber = this.moveDecimalAsString(justNumber, false, parseInt(places));
    }
    newVal = justNumber;
  }
  return newVal;
}

function moveDecimalRightNF(val, places) {
  var newVal = '';
  if (places == null) {
    newVal = this.moveDecimal(val, false);
  } else {
    newVal = this.moveDecimal(val, false, places);
  }
  return newVal;
}

function moveDecimalLeftNF(val, places) {
  var newVal = '';
  if (places == null) {
    newVal = this.moveDecimal(val, true);
  } else {
    newVal = this.moveDecimal(val, true, places);
  }
  return newVal;
}

function moveDecimalAsStringNF(val, left, places) {
  var spaces = (arguments.length < 3) ? this.places : places;
  if (spaces <= 0) return val;
  var newVal = val + '';
  var extraZ = this.getZeros(spaces);
  var re1 = new RegExp('([0-9.]+)');
  if (left) {
    newVal = newVal.replace(re1, extraZ + '$1');
    var re2 = new RegExp('(-?)([0-9]*)([0-9]{' + spaces + '})(\\.?)');
    newVal = newVal.replace(re2, '$1$2.$3');
  } else {
    var reArray = re1.exec(newVal);
    if (reArray != null) {
      newVal = newVal.substring(0, reArray.index) + reArray[1] + extraZ + newVal.substring(reArray.index + reArray[0].length);
    }
    var re2 = new RegExp('(-?)([0-9]*)(\\.?)([0-9]{' + spaces + '})');
    newVal = newVal.replace(re2, '$1$2$4.');
  }
  newVal = newVal.replace(/\.$/, '');
  return newVal;
}

function moveDecimalNF(val, left, places) {
  var newVal = '';
  if (places == null) {
    newVal = this.moveDecimalAsString(val, left);
  } else {
    newVal = this.moveDecimalAsString(val, left, places);
  }
  return parseFloat(newVal);
}

function getRoundedNF(val) {
  val = this.moveDecimalRight(val);
  if (this.truncate) {
    val = val >= 0 ? Math.floor(val) : Math.ceil(val);
  } else {
    val = Math.round(val);
  }
  val = this.moveDecimalLeft(val);
  return val;
}

function preserveZerosNF(val) {
  var i;
  val = this.expandExponential(val);
  if (this.places <= 0) return val;
  var decimalPos = val.indexOf('.');
  if (decimalPos == -1) {
    val += '.';
    for (i = 0; i < this.places; i++) {
      val += '0';
    }
  } else {
    var actualDecimals = (val.length - 1) - decimalPos;
    var difference = this.places - actualDecimals;
    for (i = 0; i < difference; i++) {
      val += '0';
    }
  }
  return val;
}

function justNumberNF(val) {
  newVal = val + '';
  var isPercentage = false;
  if (newVal.indexOf('%') != -1) {
    newVal = newVal.replace(/\%/g, '');
    isPercentage = true;
  }
  var re = new RegExp('[^\\' + this.inputDecimalValue + '\\d\\-\\+\\(\\)eE]', 'g');
  newVal = newVal.replace(re, '');
  var tempRe = new RegExp('[' + this.inputDecimalValue + ']', 'g');
  var treArray = tempRe.exec(newVal);
  if (treArray != null) {
    var tempRight = newVal.substring(treArray.index + treArray[0].length);
    newVal = newVal.substring(0, treArray.index) + this.PERIOD + tempRight.replace(tempRe, '');
  }
  if (newVal.charAt(newVal.length - 1) == this.DASH) {
    newVal = newVal.substring(0, newVal.length - 1);
    newVal = '-' + newVal;
  }
  else if (newVal.charAt(0) == this.LEFT_PAREN
	&& newVal.charAt(newVal.length - 1) == this.RIGHT_PAREN) {
    newVal = newVal.substring(1, newVal.length - 1);
    newVal = '-' + newVal;
  }
  newVal = parseFloat(newVal);
  if (!isFinite(newVal)) {
    newVal = 0;
  }
  if (isPercentage) {
    newVal = this.moveDecimalLeft(newVal, 2);
  }
  return newVal;
}