window.clearDetails = function() {
    var fld_name = document.getElementById('name');
    var fld_business = document.getElementById('business');
    var fld_email = document.getElementById('email');
    var fld_phone = document.getElementById('phone');
    var fld_time = document.getElementById('time');
    var fld_message = document.getElementById('message');

    if (!!fld_name) fld_name.value = '';
    if (!!fld_business) fld_business.value = '';
    if (!!fld_email) fld_email.value = '';
    if (!!fld_phone) fld_phone.value = '';
    if (!!fld_time) fld_time.value = '';
    if (!!fld_message) fld_message.value = '';
}

window.submitDetails = function() {
    var fld_name = document.getElementById('name');
    var fld_business = document.getElementById('business');
    var fld_email = document.getElementById('email');
    var fld_phone = document.getElementById('phone');
    var fld_time = document.getElementById('time');
    var fld_message = document.getElementById('message');

    if (fld_name.value.length == 0) alert('Please enter your name');
    else {
        if (fld_email.value.length + fld_phone.value.length == 0) alert('Please also enter either your email address or phone number');
        else {
            document.forms[0].submit();
        }
    }
}