L01NA.src = "./img/l_reserve_na.gif"
L01A.src = "./img/l_reserve_a.gif"
L02NA.src = "./img/l_bus_na.gif"
L02A.src = "./img/l_bus_a.gif"
L03NA.src = "./img/l_people_na.gif"
L03A.src = "./img/l_people_a.gif"
L04NA.src = "./img/l_book_na.gif"
L04A.src = "./img/l_book_a.gif"