function check_form_contact_questions(form){
    if(form.question_name.value == ""){
        alert("請填寫您的姓名!");
        form.question_name.focus();
        return false;
    }
    if(form.question_tel.value == ""){
        alert("請填寫您的聯絡電話!");
        form.question_tel.focus();
        return false;
    }
    if(form.question_email.value == ""){
        alert("請填寫您的聯絡Email!");
        form.question_email.focus();
        return false;
    }
    if(form.question_content.value == ""){
        alert("請填寫您想要詢問內容!");
        form.question_content.focus();
        return false;
    }
    if(form.question_name.value == ""){
        alert("請填寫您的姓名!");
        form.question_name.focus();
        return false;
    }
    return true;
}