
<!----------------------sub1------------------>
function s1_1() { self.location.href = '/sub1/s1.htm'; }
function s1_2() { self.location.href = '/sub1/s2.htm'; }
function s1_3() { self.location.href = '/sub1/s3.htm'; }


<!----------------------sub2------------------>
function s2_1() { self.location.href = '/sub2/list.htm'; }


<!----------------------sub3------------------>
function s3_1() { self.location.href = '/sub3/s1.htm'; }