function newwin1()
{
sub = window.open("ex_kancho/takashima.html","window1","toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,width=570,height=560");
}

function newwin2()
{
sub = window.open("ex_kancho/index.html","window2","toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,width=570,height=560");
}