// Cost calculator by Josh Freeman @ STANDOUT


function costSum() {

    if (document.costform.guests.value >= 31) {
        document.costform.room4.disabled = true;

    }

    else {
        document.costform.room4.disabled = false;
    }


    if (document.costform.guests.value >= 35) {
        document.costform.room1.disabled = true;

    }

    else {
        document.costform.room1.disabled = false;
    }


    if (document.costform.guests.value >= 81) {
        document.costform.room2.disabled = true;
    }

    else {
        document.costform.room2.disabled = false;
    }
/*
    if (document.costform.guests.value >= 51) {
        document.costform.room3.disabled = true;
    }

    else {
        document.costform.room3.disabled = false;
    }
*/
    if (document.costform.guests.value >= 161) {
        document.costform.room5.disabled = true;
    }

    else {
        document.costform.room5.disabled = false;
    }


    if (document.costform.champagne.checked) {
        champ = 13.20;
    }

    else {
        champ = 0;
    }
    
   // Lounge Tick box ----------------------------------------------------

    if (document.costform.lounge.checked) {
        Mlounge = 300;
    }

    else {
        Mlounge = 0;
    }

    // Evening Menu Tick boxes ----------------------------------------------------

    if (document.costform.buffet.checked) {
        buffetMenu = 18.15;
    }

    else {
        buffetMenu = 0;
    }

    if (document.costform.bbq.checked) {
        bbqMenu = 19.25;
    }

    else {
        bbqMenu = 0;
    }

    // Night Price change ------------------------------------------------

    document.costform.price.value = document.costform.selectNight.value;

    if (document.costform.radioRoom.value == 00) {
        document.costform.radioRoom.value = document.costform.selectNight.value;

    }


    if ((document.costform.radioRoom.value != 125) && (document.costform.radioRoom.value != 350) && (document.costform.radioRoom.value != 300)) {
        document.costform.radioRoom.value = document.costform.price.value
    }

    //document.costform.radioRoom.value = document.costform.price.value;

    drink = 24.75;

    subT = drink + champ + parseFloat(document.costform.radioMenu.value) + buffetMenu + bbqMenu;


    //total = subT * 5;
    total = subT * (document.costform.guests.value) + parseFloat(document.costform.radioRoom.value) + Mlounge;

    document.costform.subtotal.value = subT;
    document.costform.total.value = total;

}