function validate(formfield, errfield) 
{
    document.getElementById(errfield).innerHTML = '';
    if (document.getElementById(formfield).value == '') 
    {
        document.getElementById(errfield).innerHTML = '*required';
        return false;
    }
}

function validateradio(formfield, errfield) 
{
    document.getElementById(errfield).innerHTML = '';
    chk = -1;
    for (i = document.form.formfield.length - 1; i > -1; i--) 
    {
        if (document.form.formfield.checked) 
        {
            chk = i;
            i = -1;
        }
    }

    if (chk == -1) 
    {
        document.getElementById(errfield).innerHTML = '*required';
        return false;
    }
}

function validatesamepassword(pwd, pwd1, errfield) 
{
    document.getElementById(errfield).innerHTML = '';
    if (document.getElementById(pwd).value != document.getElementById(pwd1).value)    {
        document.getElementById(errfield).innerHTML = '*Passwords do not match';
        return false;
    }
}