var NN3 = false;
cb1f = new Image();	cb1f.src = "img/cb1f.gif";
cb1n = new Image();	cb1n.src = "img/cb1n.gif";
cb2f = new Image();	cb2f.src = "img/cb2f.gif";
cb2n = new Image();	cb2n.src = "img/cb2n.gif";
cb3f = new Image();	cb3f.src = "img/cb3f.gif";
cb3n = new Image();	cb3n.src = "img/cb3n.gif";
cb4f = new Image();	cb4f.src = "img/cb4f.gif";
cb4n = new Image();	cb4n.src = "img/cb4n.gif";
cb5f = new Image();	cb5f.src = "img/cb5f.gif";
cb5n = new Image();	cb5n.src = "img/cb5n.gif";

lteon = new Image();	lteon.src = "img/l_top_en_on.gif";
lteof = new Image();	lteof.src = "img/l_top_en_off.gif";
lblon = new Image();	lblon.src = "img/l_bot_lv_on.gif";
lblof = new Image();	lblof.src = "img/l_bot_lv_off.gif";

t1ruon = new Image();	t1ruon.src = "img/t1_ru_on.gif";
t1ruof = new Image();	t1ruof.src = "img/t1_ru_off.gif";
t2ruon = new Image();	t2ruon.src = "img/t2_ru_on.gif";
t2ruof = new Image();	t2ruof.src = "img/t2_ru_off.gif";
t3ruon = new Image();	t3ruon.src = "img/t3_ru_on.gif";
t3ruof = new Image();	t3ruof.src = "img/t3_ru_off.gif";
t4ruon = new Image();	t4ruon.src = "img/t4_ru_on.gif";
t4ruof = new Image();	t4ruof.src = "img/t4_ru_off.gif";
t5ruon = new Image();	t5ruon.src = "img/t5_ru_on.gif";
t5ruof = new Image();	t5ruof.src = "img/t5_ru_off.gif";

function on3(name)   {
        document[name].src = eval(name + "n.src");
        //alert(document[name].src);
        if (name == 'cb5') document['t1ruo'].src = eval('t1ruo' + "n.src");
        if (name == 'cb4') document['t2ruo'].src = eval('t2ruo' + "n.src");
        if (name == 'cb3') document['t3ruo'].src = eval('t3ruo' + "n.src");
        if (name == 'cb2') document['t4ruo'].src = eval('t4ruo' + "n.src");
        if (name == 'cb1') document['t5ruo'].src = eval('t5ruo' + "n.src");
}
function off3(name)  {
        document[name].src = eval(name + "f.src");

        if (name == 'cb5') document['t1ruo'].src = eval('t1ruo' + "f.src");
        if (name == 'cb4') document['t2ruo'].src = eval('t2ruo' + "f.src");
        if (name == 'cb3') document['t3ruo'].src = eval('t3ruo' + "f.src");
        if (name == 'cb2') document['t4ruo'].src = eval('t4ruo' + "f.src");
        if (name == 'cb1') document['t5ruo'].src = eval('t5ruo' + "f.src");
}
NN3 = true;

function on(name)  {
        if (NN3) on3(name);
}
function off(name)  {
        if (NN3) off3(name);
}