if (document.images) {

var hnav1 = new Image();
hnav1.src = "/exhibitions/lizards/images/nav/h_nav_01.gif";
var hnav1on = new Image();
hnav1on.src = "/exhibitions/lizards/images/nav/h_nav_01_over.gif";

var hnav2 = new Image();
hnav2.src = "/exhibitions/lizards/images/nav/h_nav_02.gif";
var hnav2on = new Image();
hnav2on.src = "/exhibitions/lizards/images/nav/h_nav_02_over.gif";

var hnav3 = new Image();
hnav3.src = "/exhibitions/lizards/images/nav/h_nav_03.gif";
var hnav3on = new Image();
hnav3on.src = "/exhibitions/lizards/images/nav/h_nav_03_over.gif";

var hnav4 = new Image();
hnav4.src = "/exhibitions/lizards/images/nav/h_nav_04.gif";
var hnav4on = new Image();
hnav4on.src = "/exhibitions/lizards/images/nav/h_nav_04_over.gif";

var hnav5 = new Image();
hnav5.src = "/exhibitions/lizards/images/nav/h_nav_05.gif";
var hnav5on = new Image();
hnav5on.src = "/exhibitions/lizards/images/nav/h_nav_05_over.gif";

var hnav6 = new Image();
hnav6.src = "/exhibitions/lizards/images/nav/h_nav_06.gif";
var hnav6on = new Image();
hnav6on.src = "/exhibitions/lizards/images/nav/h_nav_06_over.gif";

var hnav7 = new Image();
hnav7.src = "/exhibitions/lizards/images/nav/h_nav_07.gif";
var hnav7on = new Image();
hnav7on.src = "/exhibitions/lizards/images/nav/h_nav_07_over.gif";

var hnav8 = new Image();
hnav8.src = "/exhibitions/lizards/images/nav/h_nav_08.gif";
var hnav8on = new Image();
hnav8on.src = "/exhibitions/lizards/images/nav/h_nav_08_over.gif";

var hnav9 = new Image();
hnav9.src = "/exhibitions/lizards/images/nav/h_nav_09.gif";
var hnav9on = new Image();
hnav9on.src = "/exhibitions/lizards/images/nav/h_nav_09_over.gif";

var hnav10 = new Image();
hnav10.src = "/exhibitions/lizards/images/nav/h_nav_10.gif";
var hnav10on = new Image();
hnav10on.src = "/exhibitions/lizards/images/nav/h_nav_10_over.gif";

var hnav11 = new Image();
hnav11.src = "/exhibitions/lizards/images/nav/h_nav_11.gif";
var hnav11on = new Image();
hnav11on.src = "/exhibitions/lizards/images/nav/h_nav_11_over.gif";

var hnav12 = new Image();
hnav12.src = "/exhibitions/lizards/images/nav/h_nav_12.gif";
var hnav12on = new Image();
hnav12on.src = "/exhibitions/lizards/images/nav/h_nav_12_over.gif";

var unav1 = new Image();
unav1.src = "/exhibitions/lizards/images/unav/unav_lizards_resources.gif";
var unav1on = new Image();
unav1on.src = "/exhibitions/lizards/images/unav/unav_lizards_resources_over.gif";

var unav2 = new Image();
unav2.src = "/exhibitions/lizards/images/unav/unav_visitor.gif";
var unav2on = new Image();
unav2on.src = "/exhibitions/lizards/images/unav/unav_visitor_over.gif";

var unav3 = new Image();
unav3.src = "/exhibitions/lizards/images/unav/unav_behind.gif";
var unav3on = new Image();
unav3on.src = "/exhibitions/lizards/images/unav/unav_behind_over.gif";

var unav4 = new Image();
unav4.src = "/exhibitions/lizards/images/unav/unav_public.gif";
var unav4on = new Image();
unav4on.src = "/exhibitions/lizards/images/unav/unav_public_over.gif";

var unav5 = new Image();
unav5.src = "/exhibitions/lizards/images/unav/unav_shop.gif";
var unav5on = new Image();
unav5on.src = "/exhibitions/lizards/images/unav/unav_shop_over.gif";

var unav6 = new Image();
unav6.src = "/exhibitions/lizards/images/unav/unav_gallery.gif";
var unav6on = new Image();
unav6on.src = "/exhibitions/lizards/images/unav/unav_gallery_over.gif";

var unav7 = new Image();
unav7.src = "/exhibitions/lizards/images/unav/unav_gecko_grill.gif";
var unav7on = new Image();
unav7on.src = "/exhibitions/lizards/images/unav/unav_gecko_grill_over.gif";

var unav8 = new Image();
unav8.src = "/exhibitions/lizards/images/unav/unav_herpetology.gif";
var unav8on = new Image();
unav8on.src = "/exhibitions/lizards/images/unav/unav_herpetology_over.gif";

var unav9 = new Image();
unav9.src = "/exhibitions/lizards/images/unav/unav_squamate_fun.gif";
var unav9on = new Image();
unav9on.src = "/exhibitions/lizards/images/unav/unav_squamate_fun_over.gif";

var unav10 = new Image();
unav10.src = "/exhibitions/lizards/images/unav/unav_squamate_hunt.gif";
var unav10on = new Image();
unav10on.src = "/exhibitions/lizards/images/unav/unav_squamate_hunt_over.gif";

var unav11 = new Image();
unav11.src = "/exhibitions/lizards/images/unav/unav_site.gif";
var unav11on = new Image();
unav11on.src = "/exhibitions/lizards/images/unav/unav_site_over.gif";

var nav1 = new Image();
nav1.src = "/exhibitions/lizards/images/2nav/2nav_01.gif";
var nav1on = new Image();
nav1on.src = "/exhibitions/lizards/images/2nav/2nav_01_over.gif";

var nav1a = new Image();
nav1a.src = "/exhibitions/lizards/images/2nav/2nav_01_a.gif";
var nav1aon = new Image();
nav1aon.src = "/exhibitions/lizards/images/2nav/2nav_01_a_over.gif";

var nav2 = new Image();
nav2.src = "/exhibitions/lizards/images/2nav/2nav_02.gif";
var nav2on = new Image();
nav2on.src = "/exhibitions/lizards/images/2nav/2nav_02_over.gif";

var nav2_b = new Image();
nav2_b.src = "/exhibitions/lizards/images/2nav/2nav_02_b.gif";
var nav2_bon = new Image();
nav2_bon.src = "/exhibitions/lizards/images/2nav/2nav_02_b_over.gif";

var nav2a = new Image();
nav2a.src = "/exhibitions/lizards/images/2nav/2nav_02_1.gif";
var nav2aon = new Image();
nav2aon.src = "/exhibitions/lizards/images/2nav/2nav_02_1_over.gif";

var nav2b = new Image();
nav2b.src = "/exhibitions/lizards/images/2nav/2nav_02_2.gif";
var nav2bon = new Image();
nav2bon.src = "/exhibitions/lizards/images/2nav/2nav_02_2_over.gif";

var nav2c = new Image();
nav2c.src = "/exhibitions/lizards/images/2nav/2nav_02_3.gif";
var nav2con = new Image();
nav2con.src = "/exhibitions/lizards/images/2nav/2nav_02_3_over.gif";

var nav2d = new Image();
nav2d.src = "/exhibitions/lizards/images/2nav/2nav_02_4.gif";
var nav2don = new Image();
nav2don.src = "/exhibitions/lizards/images/2nav/2nav_02_4_over.gif";

var nav2e = new Image();
nav2e.src = "/exhibitions/lizards/images/2nav/2nav_02_5.gif";
var nav2eon = new Image();
nav2eon.src = "/exhibitions/lizards/images/2nav/2nav_02_5_over.gif";

var nav2f = new Image();
nav2f.src = "/exhibitions/lizards/images/2nav/2nav_02_6.gif";
var nav2fon = new Image();
nav2fon.src = "/exhibitions/lizards/images/2nav/2nav_02_6_over.gif";

var nav2g = new Image();
nav2g.src = "/exhibitions/lizards/images/2nav/2nav_02_7.gif";
var nav2gon = new Image();
nav2gon.src = "/exhibitions/lizards/images/2nav/2nav_02_7_over.gif";

var nav2h = new Image();
nav2h.src = "/exhibitions/lizards/images/2nav/2nav_02_8.gif";
var nav2hon = new Image();
nav2hon.src = "/exhibitions/lizards/images/2nav/2nav_02_8_over.gif";

var nav3 = new Image();
nav3.src = "/exhibitions/lizards/images/2nav/2nav_03.gif";
var nav3on = new Image();
nav3on.src = "/exhibitions/lizards/images/2nav/2nav_03_over.gif";

var nav3a = new Image();
nav3a.src = "/exhibitions/lizards/images/2nav/2nav_03_1.gif";
var nav3aon = new Image();
nav3aon.src = "/exhibitions/lizards/images/2nav/2nav_03_1_over.gif";

var nav3b = new Image();
nav3b.src = "/exhibitions/lizards/images/2nav/2nav_03_2.gif";
var nav3bon = new Image();
nav3bon.src = "/exhibitions/lizards/images/2nav/2nav_03_2_over.gif";

var nav4 = new Image();
nav4.src = "/exhibitions/lizards/images/2nav/2nav_04.gif";
var nav4on = new Image();
nav4on.src = "/exhibitions/lizards/images/2nav/2nav_04_over.gif";

var nav4_b = new Image();
nav4_b.src = "/exhibitions/lizards/images/2nav/2nav_04_b.gif";
var nav4_bon = new Image();
nav4_bon.src = "/exhibitions/lizards/images/2nav/2nav_04_b_over.gif";

var nav4a = new Image();
nav4a.src = "/exhibitions/lizards/images/2nav/2nav_04_1.gif";
var nav4aon = new Image();
nav4aon.src = "/exhibitions/lizards/images/2nav/2nav_04_1_over.gif";

var nav4b = new Image();
nav4b.src = "/exhibitions/lizards/images/2nav/2nav_04_2.gif";
var nav4bon = new Image();
nav4bon.src = "/exhibitions/lizards/images/2nav/2nav_04_2_over.gif";

var nav4c = new Image();
nav4c.src = "/exhibitions/lizards/images/2nav/2nav_04_3.gif";
var nav4con = new Image();
nav4con.src = "/exhibitions/lizards/images/2nav/2nav_04_3_over.gif";

var nav4d = new Image();
nav4d.src = "/exhibitions/lizards/images/2nav/2nav_04_4.gif";
var nav4don = new Image();
nav4don.src = "/exhibitions/lizards/images/2nav/2nav_04_4_over.gif";

var nav4e = new Image();
nav4e.src = "/exhibitions/lizards/images/2nav/2nav_04_5.gif";
var nav4eon = new Image();
nav4eon.src = "/exhibitions/lizards/images/2nav/2nav_04_5_over.gif";

var nav4f = new Image();
nav4f.src = "/exhibitions/lizards/images/2nav/2nav_04_6.gif";
var nav4fon = new Image();
nav4fon.src = "/exhibitions/lizards/images/2nav/2nav_04_6_over.gif";

var nav4g = new Image();
nav4g.src = "/exhibitions/lizards/images/2nav/2nav_04_7.gif";
var nav4gon = new Image();
nav4gon.src = "/exhibitions/lizards/images/2nav/2nav_04_7_over.gif";

var nav4h = new Image();
nav4h.src = "/exhibitions/lizards/images/2nav/2nav_04_8.gif";
var nav4hon = new Image();
nav4hon.src = "/exhibitions/lizards/images/2nav/2nav_04_8_over.gif";

var nav4i = new Image();
nav4i.src = "/exhibitions/lizards/images/2nav/2nav_04_9.gif";
var nav4ion = new Image();
nav4ion.src = "/exhibitions/lizards/images/2nav/2nav_04_9_over.gif";

var nav5 = new Image();
nav5.src = "/exhibitions/lizards/images/2nav/2nav_05.gif";
var nav5on = new Image();
nav5on.src = "/exhibitions/lizards/images/2nav/2nav_05_over.gif";

var nav5a = new Image();
nav5a.src = "/exhibitions/lizards/images/2nav/2nav_05_a.gif";
var nav5aon = new Image();
nav5aon.src = "/exhibitions/lizards/images/2nav/2nav_05_a_over.gif";

var nav5b = new Image();
nav5b.src = "/exhibitions/lizards/images/2nav/2nav_05_b.gif";
var nav5bon = new Image();
nav5bon.src = "/exhibitions/lizards/images/2nav/2nav_05_b_over.gif";

var nav6 = new Image();
nav6.src = "/exhibitions/lizards/images/2nav/2nav_06.gif";
var nav6on = new Image();
nav6on.src = "/exhibitions/lizards/images/2nav/2nav_06_over.gif";

var nav6b = new Image();
nav6b.src = "/exhibitions/lizards/images/2nav/2nav_06_b.gif";
var nav6bon = new Image();
nav6bon.src = "/exhibitions/lizards/images/2nav/2nav_06_b_over.gif";

var nav7 = new Image();
nav7.src = "/exhibitions/lizards/images/2nav/2nav_07.gif";
var nav7on = new Image();
nav7on.src = "/exhibitions/lizards/images/2nav/2nav_07_over.gif";

var nav8 = new Image();
nav8.src = "/exhibitions/lizards/images/2nav/2nav_08.gif";
var nav8on = new Image();
nav8on.src = "/exhibitions/lizards/images/2nav/2nav_08_over.gif";

var nav9 = new Image();
nav9.src = "/exhibitions/lizards/images/2nav/2nav_09.gif";
var nav9on = new Image();
nav9on.src = "/exhibitions/lizards/images/2nav/2nav_09_over.gif";

var nav10 = new Image();
nav10.src = "/exhibitions/lizards/images/2nav/2nav_10.gif";
var nav10on = new Image();
nav10on.src = "/exhibitions/lizards/images/2nav/2nav_10_over.gif";

var nav11 = new Image();
nav11.src = "/exhibitions/lizards/images/2nav/2nav_11.gif";
var nav11on = new Image();
nav11on.src = "/exhibitions/lizards/images/2nav/2nav_11_over.gif";

var nav12 = new Image();
nav12.src = "/exhibitions/lizards/images/2nav/2nav_12.gif";
var nav12on = new Image();
nav12on.src = "/exhibitions/lizards/images/2nav/2nav_12_over.gif";

var textnavnext = new Image();
textnavnext.src = "/exhibitions/lizards/common/images/next.gif"
var textnavnexton = new Image();
textnavnexton.src = "/exhibitions/lizards/common/images/next_over.gif"

var textnavback = new Image();
textnavback.src = "/exhibitions/lizards/common/images/back.gif"
var textnavbackon = new Image();
textnavbackon.src = "/exhibitions/lizards/common/images/back_over.gif"

var closewindow = new Image();
closewindow.src = "/exhibitions/lizards/common/images/close_window.gif"
var closewindowon = new Image();
closewindowon.src = "/exhibitions/lizards/common/images/close_window_over.gif"

var introvideo = new Image();
introvideo.src = "/exhibitions/lizards/images/intro_video.gif"
var introvideoon = new Image();
introvideoon.src = "/exhibitions/lizards/images/intro_video_over.gif"

var tick1 = new Image();
tick1.src = "/common/content/images/but_buytickets_off.gif";
var tick1on = new Image();
tick1on.src = "/common/content/images/but_buytickets_on.gif";
}


function imgon(name)  {
if (document.images){
document[name].src = eval(name + "on.src");}
}

function imgoff(name)  {
if (document.images){
document[name].src = eval(name + ".src");}
}