function showf(sr,nm) {
fwin=window.open ("", null, "toolbar=no, location=0, status=0, directories=no, resizable=0, scrollbars=0, height=500; width=500");
fwin.document.write (""+nm+"");
fwin.document.write ("");
}
function showp(pag) {
pwin=window.open (pag, null, "toolbar=no, location=no, status=no, directories=no, scrollbars=yes, resizable=no, height=550, width=635");
pwin.resizeTo(635, 550);
}
function wpr(ob) {
ob.style.display="none";
window.print();
}