if (document.images) {



t_akadalyok = new Image();
        t_akadalyok.src = 'images/01_akadalyok_a.jpg';
t_akadalyokorig = new Image();
        t_akadalyokorig.src = 'images/01_akadalyok.jpg';

t_ballonok = new Image();
        t_ballonok.src = 'images/02_ballonok_a.jpg';
t_ballonokorig = new Image();
        t_ballonokorig.src = 'images/02_ballonok.jpg';

t_boltivek = new Image();
        t_boltivek.src = 'images/03_boltivek_a.jpg';
t_boltivekorig = new Image();
        t_boltivekorig.src = 'images/03_boltivek.jpg';

t_alagutak = new Image();
        t_alagutak.src = 'images/04_alagutak_a.jpg';
t_alagutakorig = new Image();
        t_alagutakorig.src = 'images/04_alagutak.jpg';

t_csuszdak = new Image();
        t_csuszdak.src = 'images/05_csuszdak_a.jpg';
t_csuszdakorig = new Image();
        t_csuszdakorig.src = 'images/05_csuszdak.jpg';

t_legtancosok = new Image();
        t_legtancosok.src = 'images/06_legtancosok_a.jpg';
t_legtancosokorig = new Image();
        t_legtancosokorig.src = 'images/06_legtancosok.jpg';

t_sport = new Image();
        t_sport.src = 'images/07_sport_a.jpg';
t_sportorig = new Image();
        t_sportorig.src = 'images/07_sport.jpg';

t_satrak = new Image();
        t_satrak.src = 'images/08_satrak_a.jpg';
t_satrakorig = new Image();
        t_satrakorig.src = 'images/08_satrak.jpg';

t_ugralok = new Image();
        t_ugralok.src = 'images/09_ugralok_a.jpg';
t_ugralokorig = new Image();
        t_ugralokorig.src = 'images/09_ugralok.jpg';

t_vidamvaros = new Image();
        t_vidamvaros.src = 'images/10_vidamvaros_a.jpg';
t_vidamvarosorig = new Image();
        t_vidamvarosorig.src = 'images/10_vidamvaros.jpg';

t_varak = new Image();
        t_varak.src = 'images/11_varak_a.jpg';
t_varakorig = new Image();
        t_varakorig.src = 'images/11_varak.jpg';

t_vizijatekok = new Image();
        t_vizijatekok.src = 'images/12_vizijatekok_a.jpg';
t_vizijatekokorig = new Image();
        t_vizijatekokorig.src = 'images/12_vizijatekok.jpg';
        
bemutatkozas = new Image();
        bemutatkozas.src = 'images/bemutatkozas_a.jpg';
bemutatkozasorig = new Image();
        bemutatkozasorig.src = 'images/bemutatkozas.jpg';

megrendeles = new Image();
        megrendeles.src = 'images/megrendeles_a.jpg';
megrendelesorig = new Image();
        megrendelesorig.src = 'images/megrendeles.jpg';

termekek = new Image();
        termekek.src = 'images/termekek_a.jpg';
termekekorig = new Image();
        termekekorig.src = 'images/termekek.jpg';

elerhetoseg = new Image();
        elerhetoseg.src = 'images/elerhetoseg_a.jpg';
elerhetosegorig = new Image();
        elerhetosegorig.src = 'images/elerhetoseg.jpg';
}




t_en_akadalyok = new Image();
        t_en_akadalyok.src = 'images_eng/t_akadalyok_a.jpg';
t_en_akadalyokorig = new Image();
        t_en_akadalyokorig.src = 'images_eng/t_akadalyok.jpg';

t_en_ballonok = new Image();
        t_en_ballonok.src = 'images_eng/t_ballonok_a.jpg';
t_en_ballonokorig = new Image();
        t_en_ballonokorig.src = 'images_eng/t_ballonok.jpg';

t_en_boltivek = new Image();
        t_en_boltivek.src = 'images_eng/t_boltivek_a.jpg';
t_en_boltivekorig = new Image();
        t_en_boltivekorig.src = 'images_eng/t_boltivek.jpg';

t_en_alagutak = new Image();
        t_en_alagutak.src = 'images_eng/t_alagutak_a.jpg';
t_en_alagutakorig = new Image();
        t_en_alagutakorig.src = 'images_eng/t_alagutak.jpg';

t_en_csuszdak = new Image();
        t_en_csuszdak.src = 'images_eng/t_csuszdak_a.jpg';
t_en_csuszdakorig = new Image();
        t_en_csuszdakorig.src = 'images_eng/t_csuszdak.jpg';

t_en_legtancosok = new Image();
        t_en_legtancosok.src = 'images_eng/t_legtancosok_a.jpg';
t_en_legtancosokorig = new Image();
        t_en_legtancosokorig.src = 'images_eng/t_legtancosok.jpg';

t_en_sport = new Image();
        t_en_sport.src = 'images_eng/t_sport_a.jpg';
t_en_sportorig = new Image();
        t_en_sportorig.src = 'images_eng/t_sport.jpg';

t_en_satrak = new Image();
        t_en_satrak.src = 'images_eng/t_satrak_a.jpg';
t_en_satrakorig = new Image();
        t_en_satrakorig.src = 'images_eng/t_satrak.jpg';

t_en_ugralok = new Image();
        t_en_ugralok.src = 'images_eng/t_ugralok_a.jpg';
t_en_ugralokorig = new Image();
        t_en_ugralokorig.src = 'images_eng/t_ugralok.jpg';

t_en_vidamvaros = new Image();
        t_en_vidamvaros.src = 'images_eng/t_vidamvaros_a.jpg';
t_en_vidamvarosorig = new Image();
        t_en_vidamvarosorig.src = 'images_eng/t_vidamvaros.jpg';

t_en_varak = new Image();
        t_en_varak.src = 'images_eng/t_varak_a.jpg';
t_en_varakorig = new Image();
        t_en_varakorig.src = 'images_eng/t_varak.jpg';

t_en_vizijatekok = new Image();
        t_en_vizijatekok.src = 'images_eng/t_vizijatekok_a.jpg';
t_en_vizijatekokorig = new Image();
        t_en_vizijatekokorig.src = 'images_eng/t_vizijatekok.jpg';
        
en_bemutatkozas = new Image();
        en_bemutatkozas.src = 'images_eng/bemutatkozas_a.jpg';
en_bemutatkozasorig = new Image();
        en_bemutatkozasorig.src = 'images_eng/bemutatkozas.jpg';

en_megrendeles = new Image();
        en_megrendeles.src = 'images_eng/megrendeles_a.jpg';
en_megrendelesorig = new Image();
        en_megrendelesorig.src = 'images_eng/megrendeles.jpg';

en_termekek = new Image();
        en_termekek.src = 'images_eng/termekek_a.jpg';
en_termekekorig = new Image();
        en_termekekorig.src = 'images_eng/termekek.jpg';

en_elerhetoseg = new Image();
        en_elerhetoseg.src = 'images_eng/elerhetoseg_a.jpg';
en_elerhetosegorig = new Image();
        en_elerhetosegorig.src = 'images_eng/elerhetoseg.jpg';




function imgOn(imgName) {

        if (document.images) {
                if ((eval(imgName).complete)&(eval(imgName+'orig').complete))
                document[imgName].src = eval(imgName + '.src');
        }
}

function imgOff(imgName) {

	if (document.images) {
                if (eval(imgName+'orig').complete)
                document[imgName].src = eval (imgName + 'orig.src');
        }
}