function a001()

{

window.open ('psp_tut_017/index_tut.htm','a001',config='toolbar=no,menubar=no,scrollbars=yes,resizable=no,location=no,directories=no,status=no');

}

function a002()

{

window.open ('psp_tut_019/index_tut.htm','a002',config='width=660,toolbar=no,menubar=no,scrollbars=yes,resizable=no,location=no,directories=no,status=no');

}