function validateFormSubmit() {
    if (clean(_sn) == ''){
        alert('Please enter your surname');
        return false;
    }
    if (clean(_fn) == ''){
        alert('Please enter your first name');        
        return false;
    }        
    if (!validateEmail(_email)){        
        return false;
    }   
    var ck = document.getElementById(_ck);
    if (!ck.checked)
    {
        alert('You must accept the terms and conditions to continue');
        ck.focus();
        return false;
    }    
    return true;
}

function ValidateSearch() {
    if (clean(_srch) == '') {
        alert('Please enter your search');
        return false;
    }
    return true;
}

function submitValidate(ln, fn, c, em, pw, code, rBS, rD, rE, rL, rM) {
    var _bs = document.getElementById(rBS);
    var _rd = document.getElementById(rD);
    var _re = document.getElementById(rE);
    var _rl = document.getElementById(rL);
    var _rm = document.getElementById(rM);
    
    if (clean(ln) == '') {
        alert('Please enter your surname');
        return false;
    }
    if (clean(fn) == '') {
        alert('Please enter your first names');
        return false;
    }
    if (clean(c) == '') {
        alert('Please enter your company name');
        return false;
    }
    if (_bs != null) {
        if (!_bs.checked && !_rd.checked && !_re.checked && !_rl.checked && !_rm.checked) {
            alert('Please select which market sector you belong to.');
            return false;
        }
    }    
    if (clean(em) == '') {
        alert('Please enter your email address');
        return false;
    }
    if (clean(code) == '') {
        alert('Please enter your code');
        return false;
    }
    return true;
}