Running Counter formats using jquery

////////////////////////// HTML

<span id="counterLbl" class="count">306789948.26</span>

/////////// INR Format JS

function Count_Running() {

                        $('.count').each(function () {

                            $(this).prop('Counter', 0).animate({

                                Counter: $(this).text()

                            }, {

                                duration: 4000,

                                easing: 'swing',

                                step: function (rnCnt) {

                                    var va = INR_RunningCnt_Format(rnCnt);

                                    $(this).text(va);

                                }

                            });

                        });

                    }

                    function INR_RunningCnt_Format(nStr) {

                        nStr += '';

                        x = nStr.split('.');

                        x1 = x[0];

                        x2 = x.length > 1 ? '.' + x[1] : '';

                        var rgx = /(\d+)(\d{3})/;

                        var z = 0;

                        var len = String(x1).length;

                        var num = parseInt((len / 2) - 1);

                        while (rgx.test(x1)) {

                            if (z > 0) {

                                x1 = x1.replace(rgx, '$1' + ',' + '$2');

                            }

                            else {

                                x1 = x1.replace(rgx, '$1' + ',' + '$2');

                                rgx = /(\d+)(\d{2})/;

                            }

                            z++;

                            num--;

                            if (num == 0) {

                                break;

                            }

                        }

                        return x1 + x2;

                    }

////// Result -          30,67,89,948.26

//////////////// Other formate JS

function Count_Running() {

                        $('.count').each(function () {

                            $(this).prop('Counter', 0).animate({

                                Counter: $(this).text()

                            }, {

                                duration: 4000,

                                easing: 'swing',

                                step: function (now) {

                                    var va = Other_Format(now);

                                    $(this).text(va);

                                }

                            });

                        });

                    }

function Other_Format(nStr) {

            nStr += '';

            x = nStr.split('.');

            x1 = x[0];

            x2 = x.length > 1 ? '.' + x[1] : '';

            var rgx = /(\d+)(\d{3})/;

            while (rgx.test(x1)) {

                x1 = x1.replace(rgx, '$1' + ',' + '$2');

            }

            return x1 + x2;

        }

/////////Result-  306,789,948.26