$(document).ready(function()
{
    var password1Encrypted = false
    var password2Encrypted = false
    $('#password1').change(function(){password1Encrypted = false});
    $('#password2').change(function(){password2Encrypted = false});

    var passwordStrength = 0;
    $('form #submit').click(function()
    {
        if(!password1Encrypted || !password2Encrypted)
        {
            var password1 = $('#password1').val().trim();
            var password2 = $('#password2').val().trim();
            if(!password1Encrypted) passwordStrength = computePasswordStrength(password1);

            if($("form input[name=passwordStrength]").length == 0) $('#submit').after("<input type='hidden' name='passwordStrength' value='0' />");
            $("form input[name=passwordStrength]").val(passwordStrength);

            var rand      = $('input#verifyRand').val();
            if(password1 && !password1Encrypted) $('#password1').val(md5(password1) + rand);
            if(password2 && !password2Encrypted) $('#password2').val(md5(password2) + rand);
            password1Encrypted = true;
            password2Encrypted = true;
            $('form').prepend("<input type='hidden' name='passwordStrength' value='" + passwordStrength + "'>");
            $('form').prepend("<input type='hidden' name='passwordLength' value='" + password1.length + "'>");
        }
    })
});