Brdfunction fix

function calculate_duration(name)
    local mult = 1
    if player.equipment.range == 'Daurdabla' then mult = mult + 0.3 end
    if player.equipment.range == "Gjallarhorn" then mult = mult + 0.4 end

    if player.equipment.neck == "Aoidos' Matinee" then mult = mult + 0.1 end
    if player.equipment.feet == "Brioso Slippers +1" then mult = mult + 0.11 end
    if player.equipment.body == "Aoidos' Hngrln. +2" then mult = mult + 0.1 end
    if player.equipment.legs == "Mdk. Shalwar +1" then mult = mult + 0.1 end
    if player.equipment.main == "Legato Dagger" then mult = mult + 0.1 end
    if player.equipment.main == "Carnwenhan" then mult = mult + 0.5 end

    if string.find(name,'March') and player.equipment.hands == 'Ad. Mnchtte. +2' then mult = mult + 0.1 end
    if string.find(name,'Minuet') and player.equipment.body == "Aoidos' Hngrln. +2" then mult = mult + 0.1 end
    if string.find(name,'Madrigal') and player.equipment.head == "Aoidos' Calot +2" then mult = mult + 0.1 end
    if string.find(name,'Ballad') and player.equipment.legs == "Aoidos' Rhing. +2" then mult = mult + 0.1 end
    if string.find(name,'Paeon') and player.equipment.head == "Brioso Roundlet +1" then mult = mult + 0.1 end
    if string.find(name,'Scherzo') and player.equipment.feet == "Aoidos' Cothrn. +2" then mult = mult + 0.1 end