toc1_lton = new Image();     
toc1_lton.src = "img/menu/menu_lt_on_01.gif";
toc2_lton = new Image();     
toc2_lton.src = "img/menu/menu_lt_on_02.gif";
toc3_lton = new Image();     
toc3_lton.src = "img/menu/menu_lt_on_03.gif";
toc4_lton = new Image();     
toc4_lton.src = "img/menu/menu_lt_on_04.gif";
toc5_lton = new Image();     
toc5_lton.src = "img/menu/menu_lt_on_05.gif";
toc6_lton = new Image();     
toc6_lton.src = "img/menu/menu_lt_on_06.gif";
toc7_lton = new Image();     
toc7_lton.src = "img/menu/menu_lt_on_07.gif";
toc8_lton = new Image();     
toc8_lton.src = "img/menu/menu_lt_on_08.gif";

toc1_ltoff = new Image();     
toc1_ltoff.src = "img/menu/menu_lt_off_01.gif";
toc2_ltoff = new Image();     
toc2_ltoff.src = "img/menu/menu_lt_off_02.gif";
toc3_ltoff = new Image();     
toc3_ltoff.src = "img/menu/menu_lt_off_03.gif";
toc4_ltoff = new Image();     
toc4_ltoff.src = "img/menu/menu_lt_off_04.gif";
toc5_ltoff = new Image();     
toc5_ltoff.src = "img/menu/menu_lt_off_05.gif";
toc6_ltoff = new Image();     
toc6_ltoff.src = "img/menu/menu_lt_off_06.gif";
toc7_ltoff = new Image();     
toc7_ltoff.src = "img/menu/menu_lt_off_07.gif";
toc8_ltoff = new Image();     
toc8_ltoff.src = "img/menu/menu_lt_off_08.gif";

toc1_enon = new Image();     
toc1_enon.src = "img/menu/menu_en_on_01.gif";
toc2_enon = new Image();     
toc2_enon.src = "img/menu/menu_en_on_02.gif";
toc3_enon = new Image();     
toc3_enon.src = "img/menu/menu_en_on_03.gif";
toc4_enon = new Image();     
toc4_enon.src = "img/menu/menu_en_on_04.gif";
toc5_enon = new Image();     
toc5_enon.src = "img/menu/menu_en_on_05.gif";
toc6_enon = new Image();     
toc6_enon.src = "img/menu/menu_en_on_06.gif";
toc7_enon = new Image();     
toc7_enon.src = "img/menu/menu_en_on_07.gif";
toc8_enon = new Image();     
toc8_enon.src = "img/menu/menu_en_on_08.gif";

toc1_enoff = new Image();     
toc1_enoff.src = "img/menu/menu_en_off_01.gif";
toc2_enoff = new Image();     
toc2_enoff.src = "img/menu/menu_en_off_02.gif";
toc3_enoff = new Image();     
toc3_enoff.src = "img/menu/menu_en_off_03.gif";
toc4_enoff = new Image();     
toc4_enoff.src = "img/menu/menu_en_off_04.gif";
toc5_enoff = new Image();     
toc5_enoff.src = "img/menu/menu_en_off_05.gif";
toc6_enoff = new Image();     
toc6_enoff.src = "img/menu/menu_en_off_06.gif";
toc7_enoff = new Image();     
toc7_enoff.src = "img/menu/menu_en_off_07.gif";
toc8_enoff = new Image();     
toc8_enoff.src = "img/menu/menu_en_off_08.gif";

function img_act(imgName) {
        imgOn = eval(imgName + "on.src");
        document [imgName].src = imgOn;
}

function img_inact(imgName) {
        imgOff = eval(imgName + "off.src");
        document [imgName].src = imgOff;
}