function checkComments(which) {
    if(which.elements['name'].value=="" || which.elements['name'].value.length < 3) {
        err('name',which.elements[0]);
        return false;
    }
    if(which.elements['text'].value=="" || which.elements['text'].value.length < 3) {
        err('text',which.elements[3]);
        return false;
    }
}

function err(what, which) {
    alert("Please fill out the '"+what+"' field to continue.");
    which.focus();
}