function validate_enquiry_form(){
	//Initial news form
	var enquiryForm = document.contact_us_enquiry_form;
	
	var nameJapenese = enquiryForm.name_japanese.value;
	var nameEnglish = enquiryForm.name_english.value;
	var email = enquiryForm.email.value;
	var emailConfirm = enquiryForm.email_confirm.value;
	var enquiryMessage = enquiryForm.enquiry_message.value;
	var enquirySubject = enquiryForm.elements['enquiry_subject[]'];
	
	var isSubjectSelected = false;
	
	for(var i = 0; i < (enquirySubject.length); i++){
		if(enquirySubject[i].checked){
			isSubjectSelected = true;
		}
	}
	
	if(nameJapenese == "" || nameEnglish == "" || email == "" || emailConfirm == "" || enquiryMessage == ""){
		alert("*すべての項目にご記入ください。");
		return false;
	}
	else if(!isSubjectSelected){
		alert("*件名をご選択ください。");
		return false;
	}
	else if(email != emailConfirm){
		alert("*eメールアドレスの入力を再度ご確認ください。");
		return false;
	}
			
	return true;
}