//preloads nav images

show01on = new Image(96,24);
show01on.src = "images/tsd/oasis_on.jpg";
show01off = new Image(96,24);
show01off.src = "images/tsd/oasis_off.jpg";
optionlabel1 = new Image (664,64);
optionlabel1.src = "images/tsd/oasis.jpg";

show02on = new Image(96,24);
show02on.src = "images/tsd/zula_on.jpg";
show02off = new Image(96,24);
show02off.src = "images/tsd/zula_off.jpg";
optionlabel2 = new Image (664,64);
optionlabel2.src = "images/tsd/zula.jpg";

show03on = new Image(96,24);
show03on.src = "images/tsd/melecularium_on.jpg";
show03off = new Image(96,24);
show03off.src = "images/tsd/melecularium_off.jpg";
optionlabel3 = new Image (664,64);
optionlabel3.src = "images/tsd/melecularium.jpg";

show04on = new Image(96,24);
show04on.src = "images/tsd/astronaut_on.jpg";
show04off = new Image(96,24);
show04off.src = "images/tsd/astronaut_off.jpg";
optionlabel4 = new Image (664,64);
optionlabel4.src = "images/tsd/astronaut.jpg";

label = new Image (664,64);
label.src = "images/tsd/06.jpg";

button01on = new Image(144,136);
button01on.src = "images/base/preschool_on.gif";
button01off = new Image(208,32);
button01off.src = "images/base/preschool_off.gif";

button02on = new Image(144,136);
button02on.src = "images/base/rbnc_on.gif";
button02off = new Image(208,32);
button02off.src = "images/base/rbnc_off.gif";

button03on = new Image(144,136);
button03on.src = "images/base/tsd_on.gif";
button03off = new Image(208,32);
button03off.src = "images/base/tsd_off.gif";

button04on = new Image(144,136);
button04on.src = "images/base/ed_search_on.gif";
button04off = new Image(208,32);
button04off.src = "images/base/ed_search_off.gif";

oasison = new Image(144,136);
oasison.src = "images/tsd/oasis_play_on.jpg";
oasisoff = new Image(208,32);
oasisoff.src = "images/tsd/oasis_play_off.jpg";

zulaon = new Image(144,136);
zulaon.src = "images/tsd/zula_play_on.jpg";
zulaoff = new Image(208,32);
zulaoff.src = "images/tsd/zula_play_off.jpg";

moleculariumon = new Image(144,136);
moleculariumon.src = "images/tsd/molecularium_play_on.jpg";
moleculariumoff = new Image(208,32);
moleculariumoff.src = "images/tsd/molecularium_play_off.jpg";

cardboardon = new Image(144,136);
cardboardon.src = "images/tsd/cardboard_play_on.jpg";
cardboardoff = new Image(208,32);
cardboardoff.src = "images/tsd/cardboard_play_off.jpg";

astronauton = new Image(144,136);
astronauton.src = "images/tsd/astronaut_play_on.jpg";
astronautoff = new Image(208,32);
astronautoff.src = "images/tsd/astronaut_play_off.jpg";

couponon = new Image(144,136);
couponon.src = "images/tsd/coupon_on.gif";
couponoff = new Image(208,32);
couponoff.src = "images/tsd/coupon_off.gif";

downloadon = new Image(144,136);
downloadon.src = "images/tissue/download_on.gif";
downloadoff = new Image(208,32);
downloadoff.src = "images/tissue/download_off.gif";

acrobat01on = new Image(144,136);
acrobat01on.src = "images/base/acrobat_reader_on.gif";
acrobat01off = new Image(208,32);
acrobat01off.src = "images/base/acrobat_reader_off.gif";

acrobat02on = new Image(144,136);
acrobat02on.src = "images/base/acrobat_reader_on.gif";
acrobat02off = new Image(208,32);
acrobat02off.src = "images/base/acrobat_reader_off.gif";

acrobat03on = new Image(144,136);
acrobat03on.src = "images/base/acrobat_reader_on.gif";
acrobat03off = new Image(208,32);
acrobat03off.src = "images/base/acrobat_reader_off.gif";

acrobat04on = new Image(144,136);
acrobat04on.src = "images/base/acrobat_reader_on.gif";
acrobat04off = new Image(208,32);
acrobat04off.src = "images/base/acrobat_reader_off.gif";