function subwin1(){window.open('1f.shtml','miniwin',
'resizable=yes,menubar=no,status=no,location=no,scrollbars=yes,toolbar=no,width=710,height=430');}
function subwin2(){window.open('2f.shtml','miniwin',
'resizable=yes,menubar=no,status=no,location=no,scrollbars=yes,toolbar=no,width=710,height=415');}
function subwin3(){window.open('3f.shtml','miniwin',
'resizable=yes,menubar=no,status=no,location=no,scrollbars=yes,toolbar=no,width=710,height=415');}