function showQuestions() {
    
    yesDiv = document.getElementById('activeYesContainer');
    noDiv = document.getElementById('activeNoContainer');
    yesRadio = document.getElementById('currentlyTradingYes');
    noRadio = document.getElementById('currentlyTradingNo');
    
    if (yesRadio.checked) {
        yesDiv.style.display = 'block';
        noDiv.style.display = 'none';
    }
    else if (noRadio.checked) {
        noDiv.style.display = 'block';
        yesDiv.style.display = 'none';
    }
    
}

function focusOtherBox() {
    otherBox = document.getElementById('tradeOtherDetail');
    otherBox.focus();   
}

function tickOtherBox() {
    otherBox = document.getElementById('tradeOtherDetail');
    otherCheckbox = document.getElementById('tradeOther');
    
    if (otherBox.value == '') {
        otherCheckbox.checked = false;
    }
    else {
        otherCheckbox.checked = true;
    }
}