// JavaScript Document
function sendMail(){
	Cname=document.mail_form.Cname.value;
	if(Cname == ""){err1="「お名前」";}else{err1="";}
	Email_add=document.mail_form.Email_add.value;
	if(Email_add==""){err2="「メールアドレス」";}else{err2="";}
	Content=document.mail_form.Content.value;
	if(Content==""){err3="「お問合せ内容」";}else{err3="";}
	err_message=err1+err2+err3;
	check=/.+@.+\..+/;
	
	if(err_message!=""){
	alert(err_message+"をご入力下さい。");
	}else if(! Email_add.match(check)){
	alert("メールアドレスを正しくご入力下さい。");
	}else{
		document.mail_form.submit();
		}

	}