function teacherform(){
window.open("https://www.elec.or.jp/teacher/teacher_form.html","form","toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=yes,resizable=yes,width=535,height=500");
}
function teacherform1(){
window.open("https://www.elec.or.jp/teacher/teacher_form1.html","form","toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=yes,resizable=yes,width=535,height=500");
}
function teacherform2(){
window.open("https://www.elec.or.jp/teacher/teacher_form2.html","form","toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=yes,resizable=yes,width=535,height=500");
}