function winRsrch() {
window.open('../ppt/rsrch_ppt.htm','pptwin','top=10,left=10,screenX=10,screenY=10','menubar=no,directories=no,scrollbars=yes,resizable=yes,toolbar=no,status=no');
}
function winAmth() {
window.open('../ppt/Amhist02_ppt.htm','pptwin','top=10,left=10,screenX=10,screenY=10','menubar=no,directories=no,scrollbars=yes,resizable=yes,toolbar=no,status=no');
}
function win20Cth() {
window.open('../ppt/20Ctht_ppt.htm','pptwin','top=10,left=10,screenX=10,screenY=10','menubar=no,directories=no,scrollbars=yes,resizable=yes,toolbar=no,status=no');
}