function chosaku(){
  (window.open('/xtra/official/chosaku.html','chosaku','left=30,top=10,toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=0,width=496,height=400')).focus();
}
function annai(){
  (window.open('/xtra/official/annai.html','annai','left=30,top=10,toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=0,width=556,height=400')).focus();
}