function checkContactForm(form){
    check = true;
    message = "The following fields were left empty:\n";
    //name
    if (form.name.value == "") {
        message += " - Name\n";
        form.email.focus();
        check = false ;
    }

    //surname
    if (form.surname.value == "") {
        message += " - Surname\n";
        form.email.focus();
        check = false ;
    }

    //email
    if (form.email.value == "") {
        message += " - E Mail\n";
        form.email.focus();
        check = false ;
    }

    //subject
    if (form.subject.value == "") {
        message += " - E Mail\n";
        form.email.focus();
        check = false ;
    }

    //message
    if (form.message.value == "") {
        message += " - Message\n";
        form.email.focus();
        check = false ;
    }
    if(check == false){
        alert(message);
    }else{
        check = true;
    }
    return check ;
}