Find numbers that are palindrome in both base 8 and base 10

gistfile1.js

function palindrome(number) {
    n = number;
    rev = 0;

    while (number > 0)
    {
      dig = number % 10;
      rev = rev * 10 + dig;
      number = Math.floor(number / 10);
    }

    return n === rev;
}

function findPalindromes(max) {
    var result = 0;

    for(var i = 1; i < max; i++) {
        if(palindrome(i) && palindrome(parseInt(i.toString(8)))) {
            result = result + 1;
        }
    }
    return result;
};