function aanswer(){
//ganswer=document.answer.a1[1].selectIndex;
ans1=eval(document.answer.a1.value);
ans2=eval(document.answer.a2.value);
ans3=eval(document.answer.a3.value);
ans4=eval(document.answer.a4.value);
ans5=eval(document.answer.a5.value);

sans=ans1+ans2+ans3+ans4+ans5;
//alert(sans);
	if ( sans < 11 ) {
	 alert("すべての項目にお答え下さい。");
	} else if (sans <= 14 ) {
	 location.href="01.php";
	} else if (sans <= 17 ) {
	 location.href="02.php";
	} else if (sans <= 20 ) {
	 location.href="03.php";
	} else if (sans <= 23 ) {
	 location.href="04.php";
	} else if (sans <= 26 ) {
	 location.href="05.php";
	} else if (sans <= 29 ) {
	 location.href="06.php";
	} else if (sans <= 32 ) {
	 location.href="07.php";
	} else if (sans <= 35 ) {
	 location.href="08.php";
	} else if (sans <= 38 ) {
	 location.href="09.php";
	} else if (sans <= 41 ) {
	 location.href="10.php";
	} else if (sans <= 44 ) {
	 location.href="11.php";
	} else if (sans <= 47 ) {
	 location.href="12.php";
	} else if (sans <= 50 ) {
	 location.href="13.php";
	} else if (sans <= 53 ) {
	 location.href="14.php";
	} else if (sans <= 56 ) {
	 location.href="15.php";
	} else if (sans <= 59 ) {
	 location.href="16.php";
	} else if (sans <= 62 ) {
	 location.href="17.php";
	} else if (sans <= 65 ) {
	 location.href="18.php";
	} else if (sans <= 68 ) {
	 location.href="19.php";
	} else if (sans <= 71 ) {
	 location.href="20.php";
	} else {
	 alert("すべての項目にお答え下さい。");
	}


};