function openkanji() {
   win1=window.open("kanji.html","kanji","width=178,height=250,toolbar=no,menubar=no,directories=no,scrollbars=no,status=no");
}

function openesercizi() {
   win2=window.open("esercizi.html","esercizi","width=178,height=250,toolbar=no,menubar=no,directories=no,scrollbars=no,status=no");
}

function opennihongo() {
   win3=window.open("nihongo.html","nihongo","width=180,height=250,toolbar=no,menubar=no,directories=no,scrollbars=no,status=no");
}

function openshogai() {
   win4=window.open("../shogai.html","shogai","width=180,height=250,toolbar=no,menubar=no,directories=no,scrollbars=no,status=no");
}

function openshogag() {
   win5=window.open("../shogag.html","shogag","width=180,height=250,toolbar=no,menubar=no,directories=no,scrollbars=no,status=no");
}

function openkubota() {
   win6=window.open("kubota.html","kubota","width=177,height=250,toolbar=no,menubar=no,directories=no,scrollbars=no,status=no");
}

function opengakken() {
   win7=window.open("gakken.html","gakken","width=174,height=250,toolbar=no,menubar=no,directories=no,scrollbars=no,status=no");
}

function openmore() {
   win8=window.open("more.html","more","width=319,height=369,toolbar=no,menubar=no,directories=no,scrollbars=no,status=no");
}