if (document.store != null){
Frm = document.store;
Frm.starttime.value = HPNStartTime;
Frm.endtime.value = (new Date()).getTime();
Frm.mark.value = Score;
Frm.detail.value = "name of the user, and other details. Detail";
Frm.submit();}
add form; add unload ="Finish()" in body