function menu1() { location.href = "/subpage/usasantac2.php"; }
function menu2() { location.href = "/subpage/usasantac1.php"; }
function menu3() { location.href = "/subpage/usasantac.php"; }
function menu4() { location.href = "/subpage/ch3.php"; }
function menu5() { location.href = "/subpage/egg.php"; }
function menu6() { location.href = "/subpage/hsy.php"; }
function menu7() { location.href = "/subpage/ch4.php"; }