function validate(form){
if (form.question.value=="") {
        alert("Please ask a Question");
        form.question.focus();
        return false;
}
if (form.firstname.value=="") {
        alert("Please enter your First Name");
        form.firstname.focus();
        return false;
}
if (form.lastname.value=="") {
        alert("Please enter your Last Name");
        form.lastname.focus();
        return false;
}
if (form.email.value=="") {
        alert("Please enter your Email address");
        form.email.focus();
        return false;
}
if (form.email.value != "") {
        if (/^[a-zA-Z0-9\- ]+\@[a-zA-Z0-9\-\. ]+\.([a-zA-Z]{2,3})$/.test(form.email.value) == false) {
                alert ("Your E-mail address does not appear to be vaild, Please re-enter")
                form.email.focus();
                return false;
                }
}
return true;
}