function checkSubmit(){
	//送信フラグ　0:送信オン 1:送信オフ
	submit_flg = 0;

	if(!document.form2.question1[0].checked)		{	submit_flg = 1;	}

	if (submit_flg == 1){
		document.form2.subBtn.disabled = true;
	}else{
		document.form2.subBtn.disabled = false;
	}
}