fungsi string10to62 (angka) {var chars = '0123456789abcdefghigklmnopqrstuvwxyzabcdefghigklmnopqrstuvwxyz'.split (' '), radix = chars.length, qutient = +arer = ['), radix = chars.length, qutient = +arer = ['); do {mod = qutient % radix; qutient = (qutient - mod) / radix; arr.unshift (chars [mod]); } while (qutient); return arr.join('');}function string62to10(number_code) { var chars = '0123456789abcdefghigklmnopqrstuvwxyzABCDEFGHIGKLMNOPQRSTUVWXYZ', radix = chars.length, number_code = String(number_code), len = number_code.length, i = 0, origin_number = 0; while (i <len) {origin_number+= math.pow (radix, i ++) * chars.indexof (number_code.charat (len - i) || 0); } return origin_number;}