function toggleBase(obj) {
    fishtext = document.getElementById('fishtext');

    if (obj.value == 0) {
        fishtext.style.display = 'block';
    } else {
        fishtext.style.display = 'none';
    }
}

function bodyHeight() {
    document.getElementById('top').style.height = document.getElementById('container').scrollHeight + 'px';
}