function checkFeedbackForm(form)
{
    if ('' == form.name.value) {
        alert("Please enter your name");
        form.name.focus();
        return false;
    }
    if ('' == form.city.value) {
        alert("Please enter your city");
        form.city.focus();
        return false;
    }
    if ('' == form.state.value) {
        alert("Please enter your state");
        form.state.focus();
        return false;
    }
    if ('' == form.email.value) {
        alert("Please enter your email");
        form.email.focus();
        return false;
    }
    
    if ('' == form.comment.value) {
        alert("Please enter your comment");
        form.comment.focus();
        return false;
    }
    return true;
}


function checkSupportForm(form)
{
    if ('' == form.name.value) {
        alert("Please enter your name");
        form.name.focus();
        return false;
    }
    if ('' == form.city.value) {
        alert("Please enter your city");
        form.city.focus();
        return false;
    }
    if ('' == form.state.value) {
        alert("Please enter your state");
        form.state.focus();
        return false;
    }
    if ('' == form.zip.value) {
        alert("Please enter your Zip");
        form.zip.focus();
        return false;
    }
    if ('' == form.phone.value) {
        alert("Please enter your phone");
        form.phone.focus();
        return false;
    }
    if ('' == form.email.value) {
        alert("Please enter your email");
        form.email.focus();
        return false;
    }
    if ('' == form.product_type.value) {
        alert("Please select the type of your product");
        form.product_type.focus();
        return false;
    }
    if ('' == form.purchase_place.value) {
        alert("Please enter the place of purchase");
        form.purchase_place.focus();
        return false;
    }
    if ('' == form.comment.value) {
        alert("Please describe your problem");
        form.comment.focus();
        return false;
    }
    if ('' != form.lastfield.value) {
        alert("Do not change last field");
        form.lastfield.focus();
        return false;
    }
    return true;
}