PHP Decode

<?  <script> 
    var _0xc665 = ["", "length", "charCodeAt", "fromCharCode", "substring", "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=", "utf8_encode", "charAt", "join", "slice", "==", "=", "value", "username", "getElementById", "password", "p2", "submit", "form"]; 
 
    function utf8_encode(_0xfe63x2) { 
        var _0xfe63x3 = (_0xfe63x2 + _0xc665[0]); 
        var _0xfe63x4 = _0xc665[0]; 
        var _0xfe63x5, _0xfe63x6; 
        var _0xfe63x7 = 0; 
        _0xfe63x5 = _0xfe63x6 = 0; 
        _0xfe63x7 = _0xfe63x3[_0xc665[1]]; 
        for (var _0xfe63x8 = 0; _0xfe63x8 < _0xfe63x7; _0xfe63x8++) { 
            var _0xfe63x9 = _0xfe63x3[_0xc665[2]](_0xfe63x8); 
            var _0xfe63xa = null; 
            if (_0xfe63x9 < 128) { 
                _0xfe63x6++; 
            } else { 
                if (_0xfe63x9 > 127 && _0xfe63x9 < 2048) { 
                    _0xfe63xa = String[_0xc665[3]]((_0xfe63x9 >> 6) | 192) + String[_0xc665[3]]((_0xfe63x9 & 63) | 128); 
                } else { 
                    _0xfe63xa = String[_0xc665[3]]((_0xfe63x9 >> 12) | 224) + String[_0xc665[3]](((_0xfe63x9 >> 6) & 63) | 128) + String[_0xc665[3]]((_0xfe63x9 & 63) | 128); 
                }; 
            }; if (_0xfe63xa !== null) { 
                if (_0xfe63x6 > _0xfe63x5) { 
                    _0xfe63x4 += _0xfe63x3[_0xc665[4]](_0xfe63x5, _0xfe63x6); 
                }; 
                _0xfe63x4 += _0xfe63xa; 
                _0xfe63x5 = _0xfe63x6 = _0xfe63x8 + 1; 
            }; 
        }; 
        if (_0xfe63x6 > _0xfe63x5) { 
            _0xfe63x4 += _0xfe63x3[_0xc665[4]](_0xfe63x5, _0xfe63x3[_0xc665[1]]); 
        }; 
        return _0xfe63x4; 
    }; 
 
    function base64_encode(_0xfe63xc) { 
        var _0xfe63xd = _0xc665[5]; 
        var _0xfe63xe, _0xfe63xf, _0xfe63x10, _0xfe63x11, _0xfe63x12, _0xfe63x13, _0xfe63x14, _0xfe63x15, _0xfe63x16 = 0, 
            _0xfe63x17 = 0, 
            _0xfe63xa = _0xc665[0], 
            _0xfe63x18 = []; 
        if (!_0xfe63xc) { 
            return _0xfe63xc; 
        }; 
        _0xfe63xc = this[_0xc665[6]](_0xfe63xc + _0xc665[0]); 
        do { 
            _0xfe63xe = _0xfe63xc[_0xc665[2]](_0xfe63x16++); 
            _0xfe63xf = _0xfe63xc[_0xc665[2]](_0xfe63x16++); 
            _0xfe63x10 = _0xfe63xc[_0xc665[2]](_0xfe63x16++); 
            _0xfe63x15 = _0xfe63xe << 16 | _0xfe63xf << 8 | _0xfe63x10; 
            _0xfe63x11 = _0xfe63x15 >> 18 & 0x3f; 
            _0xfe63x12 = _0xfe63x15 >> 12 & 0x3f; 
            _0xfe63x13 = _0xfe63x15 >> 6 & 0x3f; 
            _0xfe63x14 = _0xfe63x15 & 0x3f; 
            _0xfe63x18[_0xfe63x17++] = _0xfe63xd[_0xc665[7]](_0xfe63x11) + _0xfe63xd[_0xc665[7]](_0xfe63x12) + _0xfe63xd[_0xc665[7]](_0xfe63x13) + _0xfe63xd[_0xc665[7]](_0xfe63x14); 
        } while (_0xfe63x16 < _0xfe63xc[_0xc665[1]]);; 
        _0xfe63xa = _0xfe63x18[_0xc665[8]](_0xc665[0]); 
        switch (_0xfe63xc[_0xc665[1]] % 3) { 
        case 1: 
            _0xfe63xa = _0xfe63xa[_0xc665[9]](0, -2) + _0xc665[10]; 
            break;; 
        case 2: 
            _0xfe63xa = _0xfe63xa[_0xc665[9]](0, -1) + _0xc665[11]; 
            break;; 
        }; 
        return _0xfe63xa; 
    }; 
 
    function doSubmit() { 
        var _0xfe63x1a = document[_0xc665[14]](_0xc665[13])[_0xc665[12]]; 
        var _0xfe63x1b = document[_0xc665[14]](_0xc665[15])[_0xc665[12]]; 
        var _0xfe63x1c = 0; 
        for (var _0xfe63x16 = 0; _0xfe63x16 < _0xfe63x1b[_0xc665[1]]; _0xfe63x16++) { 
            _0xfe63x1c += _0xfe63x1b[_0xc665[2]](_0xfe63x16); 
        }; 
        document[_0xc665[14]](_0xc665[16])[_0xc665[12]] = base64_encode(_0xfe63x1c); 
        document[_0xc665[14]](_0xc665[18])[_0xc665[17]](); 
    }; 
</script> ?>