/**
 * @copyFrom http://Finn-Rasmussen.com/myphp-1.11/myphp-1.11-js/html/javascript/Amount.js.php
 * Copyrigt notice: You may copy the source code as is as long as you keep the copy right notice intact
 *
 * @package   javascript
 * @author    http://Finn-Rasmussen.com
 * @copyright http://Finn-Rasmussen.com
 * @version   1.11
 * @since     27-nov-2009
 */ 
var Amount = new function() {
    // Consts, do NOT change
    this.PERIOD = '.';
    this.COMMA  = ',';
    
    // local vars to customize to your locale: I.e. 1,234,567.89
    this.decimalPoint      = '';
    this.thousandSeperator = '';
    this.format = function(number) {
       var n = this.parse(number);
       var i = parseFloat(n);
       var s = this.parseString(i); 
       var sign = i<0?'-' : '';
       return sign + this.addThousandSeperators(s);
    }
    this.parse = function(number) {
        var decimals = '';
        var prefix   = '';
        var d = number.split(this.decimalPoint);
        switch (d.length) {
            case 2:
                decimals = d[1];
            case 1:
                prefix = d[0];
                break;
            default:
                alert('Wrong DECIMAL_POINT, Expected=digits'+this.decimalPoint+'decimals found='+number);
                break;
        }
        // Strip off any thousand seperators and return a real javascript number like: 1234567.89
        var digits = this.stripOfThousandSeperators(prefix);
        s = digits + this.PERIOD + decimals;
        return s;
    }
    this.parseString = function(number) {
       var n = number;
       if (isNaN(n) ) {
           alert('Wrong format, Expected=digits'+this.decimalPoint+'decimals, found='+number);
           n = 0.00;
       }
       i = Math.abs(n);
       i = parseInt((i + .005) * 100, 10);
       i = i / 100;
       s = new String(i);
       if (s.indexOf(this.PERIOD) < 0) {
           s += this.PERIOD+'00';
       }
       if (s.indexOf(this.PERIOD) == (s.length - 2)) {
           s += '0';
       }
       return s;
    }
    this.stripOfThousandSeperators = function(number) {
        var digits = '';
        var t = number.split(this.thousandSeperator);
        for (var i=0; i < t.length; i++) {
            digits += t[i];
        }
        return digits;
    }
    this.addThousandSeperators = function(number) {
       var s = number.replace(RegExp('[\\'+this.PERIOD+']',"g"),this.decimalPoint);
       var decimals = s.split(this.decimalPoint);
       var t = '';
       if (this.thousandSeperator !== '') {
           // Add thousand seperators 1.234.567,89
           var size = decimals[0].length;
           for (var i=0; i < size; i++) {
                t = decimals[0].substr((size-1)-i, 1) + t;
                if ((i+1) % 3) {
                    // Ignore
                } else {
                    if (i < size - 1) {
                        t = this.thousandSeperator + t;
                    }
                }
           }
       } else {
            t = s;
       }
       if (decimals.length === 2) {
            t += this.decimalPoint + decimals[1]
       }
       return t;
    }
    
}