/* js utilities */

function num2money(n_value) {
    // validate input
    if (isNaN(Number(n_value)))
        return 'ERROR';

    // save the sign
    var b_negative = Boolean(n_value < 0);
    n_value = Math.abs(n_value);

    // round to 1/100 precision, add ending zeroes if needed
    var s_result = String(Math.round(n_value * 1e2) % 1e2 + '00').substring(0, 2);

    // separate all orders
    var b_first = true;
    var s_subresult;
    while (n_value >= 1) {
        s_subresult = (n_value >= 1e3 ? '00' : '') + Math.floor(n_value % 1e3);
        s_result = s_subresult.slice(-3) + (b_first ? '.' : ',') + s_result;
        b_first = false;
        n_value = n_value / 1e3;
    }
    // add at least one integer digit
    if (b_first)
        s_result = '0.' + s_result;

    // apply formatting and return
    return b_negative ? '($' + s_result + ')' : '$' + s_result;
}

function IsNumeric(sText)
{
   var ValidChars = "0123456789.";
   var IsNumber=true;
   var Char;
 
   for (i = 0; i < sText.length && IsNumber == true;  i++) 
      { 
      Char = sText.charAt(i); 
      if (ValidChars.indexOf(Char) == -1) 
         {
         IsNumber = false;
         }
      }
   return IsNumber;
}

function removeNonNumeric(sText)
{
    return sText.replace(/[^0-9]/g, ''); 
}