function explode (delimiter, string, limit) {
    // version: 1103.1210
    var emptyArray = {        0: ''
    };
 
    // third argument is not required
    if (arguments.length < 2 || typeof arguments[0] == 'undefined' || typeof arguments[1] == 'undefined') {        return null;
    }
 
    if (delimiter === '' || delimiter === false || delimiter === null) {
        return false;    }
 
    if (typeof delimiter == 'function' || typeof delimiter == 'object' || typeof string == 'function' || typeof string == 'object') {
        return emptyArray;
    } 
    if (delimiter === true) {
        delimiter = '1';
    }
     if (!limit) {
        return string.toString().split(delimiter.toString());
    } else {
        // support for limit argument
        var splitted = string.toString().split(delimiter.toString());        var partA = splitted.splice(0, limit - 1);
        var partB = splitted.join(delimiter.toString());
        partA.push(partB);
        return partA;
    }
}
function str_replace (search, replace, subject, count) {
    // version: 1103.1210
	var i = 0,
        j = 0,
        temp = '',
        repl = '',
        sl = 0,        fl = 0,
        f = [].concat(search),
        r = [].concat(replace),
        s = subject,
        ra = r instanceof Array,        sa = s instanceof Array;
    s = [].concat(s);
    if (count) {
        this.window[count] = 0;
    } 
    for (i = 0, sl = s.length; i < sl; i++) {
        if (s[i] === '') {
            continue;
        }        for (j = 0, fl = f.length; j < fl; j++) {
            temp = s[i] + '';
            repl = ra ? (r[j] !== undefined ? r[j] : '') : r[0];
            s[i] = (temp).split(f[j]).join(repl);
            if (count && s[i] !== temp) {                this.window[count] += (temp.length - s[i].length) / f[j].length;
            }
        }
    }
    return sa ? s : s[0];
}
function number_format (number, decimals, dec_point, thousands_sep) {
    number = (number + '').replace(/[^0-9+\-Ee.]/g, '');
    var n = !isFinite(+number) ? 0 : +number,
        prec = !isFinite(+decimals) ? 0 : Math.abs(decimals),        sep = (typeof thousands_sep === 'undefined') ? ',' : thousands_sep,
        dec = (typeof dec_point === 'undefined') ? '.' : dec_point,
        s = '',
        toFixedFix = function (n, prec) {
            var k = Math.pow(10, prec);            return '' + Math.round(n * k) / k;
        };
    // Fix for IE parseFloat(0.55).toFixed(0) = 0;
    s = (prec ? toFixedFix(n, prec) : '' + Math.round(n)).split('.');
    if (s[0].length > 3) {        s[0] = s[0].replace(/\B(?=(?:\d{3})+(?!\d))/g, sep);
    }
    if ((s[1] || '').length < prec) {
        s[1] = s[1] || '';
        s[1] += new Array(prec - s[1].length + 1).join('0');    }
    return s.join(dec);
}