/**
 * WP File Download
 *
 * @package WP File Download
 * @author Joomunited
 * @version 1.0
 */


bytesToSize = function(bytes) {
    var sizes = ['b','kb','mb','gb','tb','pb'];
    if (bytes == 0) return 'n/a';
    var i = parseInt(Math.floor(Math.log(bytes) / Math.log(1024)));
    return Math.round(bytes / Math.pow(1024, i), 2) + ' ' + sizes[i];
};