What the script!

[Jonathan]

What does the function flip(pro) mean? in this script and the other one with (pre)
<script language="javascript">
function flip(pro)
{
if (pro==1)
{
Entry.Made_By_Phone.checked = false;
Entry.Please_Reserve.checked = false;
}
if (pro==2)
{
Entry.No_Room_Needed.checked = false;
Entry.Please_Reserve.checked = false;
}
if (pro==3)
{
Entry.No_Room_Needed.checked = false;
Entry.Made_By_Phone.checked = false;
}
if (pro==4) Entry.Two_Beds.checked = false;
if (pro==5) Entry.One_Bed.checked = false;
if (pro==6) Entry.Non_Smoking.checked = false;
if (pro==7) Entry.Smoking.checked = false;
if (pro==8)
{
if (!Entry.Arrival.checked) Entry.Arrival_Date.selectedIndex = 0;
}
if (pro==9)
{
if (Entry.Arrival_Date.selectedIndex != 0) Entry.Arrival.checked = true;
else Entry.Arrival.checked = false;
}
if (pro==10)
{
if (!Entry.Departure.checked) Entry.Depart_Date.selectedIndex = 0;
}
if (pro==11)
{
if (Entry.Depart_Date.selectedIndex != 0) Entry.Departure.checked = true;
else Entry.Departure.checked = false;
}
if (pro==12) Entry.Charge_Card.checked = false;
if (pro==13) Entry.Check_Enclosed.checked = false;
}

function total(pre)
{
tot = 0.0;
dec = 0;
if (pre==1) Entry.IM_Donaldson_Simul.checked = false;
if (pre==2) Entry.Wed_Quick_Quad.checked = false;
if (pre==3) Entry.GM_deFirmian_Simul.checked = false;
if (pre==4) Entry.WBCA_Blitz.checked = false;
if (pre==5) Entry.Junior_USCF_Dues.checked = false;
if (pre==6) Entry.Adult_USCF_Dues.checked = false;
if (pre==7) Entry.Friday_Deposit.checked = false;
if (pre==8) Entry.Weekday_Deposit.checked = false;
if (pre==9) Entry.Late_Fee_At_Site.checked = false;
if (pre==10) Entry.Late_Fee_After_Oct1.checked = false;

if (Entry.Section[0].checked) tot += 0;
if (Entry.Section[1].checked) tot += 135;
if (Entry.Section[2].checked) tot += 156;
if (Entry.Section[3].checked) tot += 206;
if (Entry.Section[4].checked) tot += 134;
if (Entry.Section[5].checked) tot += 133;
if (Entry.Section[6].checked) tot += 132;
if (Entry.Section[7].checked) tot += 131;
if (Entry.Section[8].checked) tot += 130;
if (Entry.Section[9].checked)
{
Entry.Junior_Senior_Discount.checked = false;
tot += 65;
}
if (Entry.Section[10].checked) tot += 0;
if (Entry.Wed_Quick_Quad.checked) tot += 20;
if (Entry.IM_Donaldson_Simul.checked) tot += 30;
if (Entry.WBCA_Blitz.checked) tot += 20;
if (Entry.GM_deFirmian_Simul.checked) tot += 20;
if (Entry.Sun_Quick_Tourn.checked) tot += 20;
if (Entry.Adult_USCF_Dues.checked) tot += 49;
if (Entry.Junior_USCF_Dues.checked) tot += 25;
if (Entry.Junior_Senior_Discount.checked) tot -= 20;
if (Entry.Late_Fee_After_Oct1.checked) tot += 11;
if (Entry.Late_Fee_At_Site.checked) tot += 22;
if (Entry.Weekday_Deposit.checked)
{
tot += 44.27;
dec = 1;
}
if (Entry.Friday_Deposit.checked)
{
tot += 61.29;
dec = 1;
}

tot = Math.round(tot*100) / 100;

if (dec==0) tot += ".00";
Entry.Total_Fees.value = tot;
}
</script>

I AM STUCK!!! I NEED HELP! Does this form work?

[Jonathan]

I was just wondering.. i am fine now, thx