function doLogin(){
    
    var response = HexWhirlpool(document.getElementById('challenge').value+HexWhirlpool(document.getElementById('password').value));
    document.getElementById('hash').value = response;
    
    return false;
    
}

function doLoginSnippet(){
    
    var response = HexWhirlpool(document.getElementById('challenge').value+HexWhirlpool(document.getElementById('top_wachtwoord').value));
    document.getElementById('top_wachtwoord').value = response;
    
    return false;
    
}