function contactUsIsValid()
{
    var isValid = true;
    document.getElementById('Error').innerHTML = '';

    if (document.getElementById('Title').value == '')
    {
        isValid = false;
        document.getElementById('Error').innerHTML += 'Please enter your title<br />';
    }
    if (document.getElementById('Forename').value == '')
    {
        isValid = false;
        document.getElementById('Error').innerHTML += 'Please enter your Forename<br />';
    }
    if (document.getElementById('Surname').value == '')
    {
        isValid = false;
        document.getElementById('Error').innerHTML += 'Please enter your Surname<br />';
    }
    if (document.getElementById('Email').value == '')
    {
        isValid = false;
        document.getElementById('Error').innerHTML += 'Please enter your Email<br />';
    }
    if (document.getElementById('Telephone').value == '')
    {
        isValid = false;
        document.getElementById('Error').innerHTML += 'Please enter your Telephone<br />';
    }
    if (document.getElementById('Comments').value == '')
    {
        isValid = false;
        document.getElementById('Error').innerHTML += 'Please enter your Comments<br />';
    }

    return isValid;
}