function pc1() {if (document.images) document.pc.src= 'images/postcards/big/bigredroo.jpg'; document.postcard.pcimage.value='bigredroo';}
function pc2() {if (document.images) document.pc.src= 'images/postcards/big/bigbigsur.jpg'; document.postcard.pcimage.value='bigbigsur';}
function pc3() {if (document.images) document.pc.src= 'images/postcards/big/bigcougar.jpg'; document.postcard.pcimage.value='bigcougar';}
function pc4() {if (document.images) document.pc.src= 'images/postcards/big/bigelephantseal.jpg'; document.postcard.pcimage.value='bigelephantseal';}
function pc5() {if (document.images) document.pc.src= 'images/postcards/big/biglizard.jpg'; document.postcard.pcimage.value='biglizard';}
function pc6() {if (document.images) document.pc.src= 'images/postcards/big/biggiraffe.jpg'; document.postcard.pcimage.value='biggiraffe';}
function pc7() {if (document.images) document.pc.src= 'images/postcards/big/bigantarctica.jpg'; document.postcard.pcimage.value='bigantarctica';}
function pc8() {if (document.images) document.pc.src= 'images/postcards/big/bigpenguin.jpg'; document.postcard.pcimage.value='bigpenguin';}

// code for dropdown swap & ids
function swap(object) { 
if (document.images) document.images["pc"].src = object.options[object.selectedIndex].value; 

var whereto = object.options[object.selectedIndex].value;
if (whereto == "images/postcards/big/bigbaboon.jpg") document.postcard.pcimage.value='bigbaboon';
else if (whereto == "images/postcards/big/bigbabybear.jpg") document.postcard.pcimage.value='bigbabybear';
else if (whereto == "images/postcards/big/bigbabyseal.jpg") document.postcard.pcimage.value='bigbabyseal';
else if (whereto == "images/postcards/big/bigcheetah.jpg") document.postcard.pcimage.value='bigcheetah';
else if (whereto == "images/postcards/big/bigchimp.jpg") document.postcard.pcimage.value='bigchimp';
else if (whereto == "images/postcards/big/bigcoast.jpg") document.postcard.pcimage.value='bigcoast';
else if (whereto == "images/postcards/big/bigcoyote.jpg") document.postcard.pcimage.value='bigcoyote';
else if (whereto == "images/postcards/big/bigcroc.jpg") document.postcard.pcimage.value='bigcroc';
else if (whereto == "images/postcards/big/bigcub.jpg") document.postcard.pcimage.value='bigcub';
else if (whereto == "images/postcards/big/bigdolphin.jpg") document.postcard.pcimage.value='bigdolphin';
else if (whereto == "images/postcards/big/bigdunes.jpg") document.postcard.pcimage.value='bigdunes';
else if (whereto == "images/postcards/big/bigelephant.jpg") document.postcard.pcimage.value='bigelephant';
else if (whereto == "images/postcards/big/bigfalcon.jpg") document.postcard.pcimage.value='bigfalcon';
else if (whereto == "images/postcards/big/biggazelle.jpg") document.postcard.pcimage.value='biggazelle';
else if (whereto == "images/postcards/big/bighorse.jpg") document.postcard.pcimage.value='bighorse';
else if (whereto == "images/postcards/big/bigkoko.jpg") document.postcard.pcimage.value='bigkoko';
else if (whereto == "images/postcards/big/biglemur.jpg") document.postcard.pcimage.value='biglemur';
else if (whereto == "images/postcards/big/biglion.jpg") document.postcard.pcimage.value='biglion';
else if (whereto == "images/postcards/big/biglobster.jpg") document.postcard.pcimage.value='biglobster';
else if (whereto == "images/postcards/big/bigmontana.jpg") document.postcard.pcimage.value='bigmontana';
else if (whereto == "images/postcards/big/bigoctopus.jpg") document.postcard.pcimage.value='bigoctopus';
else if (whereto == "images/postcards/big/bigorang1.jpg") document.postcard.pcimage.value='bigorang1';
else if (whereto == "images/postcards/big/bigpanda.jpg") document.postcard.pcimage.value='bigpanda';
else if (whereto == "images/postcards/big/bigpandababy.jpg") document.postcard.pcimage.value='bigpandababy';
else if (whereto == "images/postcards/big/bigpenguin.jpg") document.postcard.pcimage.value='bigpenguin';
else if (whereto == "images/postcards/big/bigpiglets.jpg") document.postcard.pcimage.value='bigpiglets';
else if (whereto == "images/postcards/big/bigpolarbear.jpg") document.postcard.pcimage.value='bigpolarbear';
else if (whereto == "images/postcards/big/bigsalamander.jpg") document.postcard.pcimage.value='bigsalamander';
else if (whereto == "images/postcards/big/bigsanctuary.jpg") document.postcard.pcimage.value='bigsanctuary';
else if (whereto == "images/postcards/big/bigseals.jpg") document.postcard.pcimage.value='bigseals';
else if (whereto == "images/postcards/big/bigsnake.jpg") document.postcard.pcimage.value='bigsnake';
else if (whereto == "images/postcards/big/bigsunset.jpg") document.postcard.pcimage.value='bigsunset';
else if (whereto == "images/postcards/big/bigtree.jpg") document.postcard.pcimage.value='bigtree';
else if (whereto == "images/postcards/big/bigwaterbuffalo.jpg") document.postcard.pcimage.value='bigwaterbuffalo';
else if (whereto == "images/postcards/big/bigzebra.jpg") document.postcard.pcimage.value='bigzebra';
else if (whereto == "images/postcards/big/bigantarctica.jpg") document.postcard.pcimage.value='bigantarctica';
else if (whereto == "images/postcards/big/bigbigsur.jpg") document.postcard.pcimage.value='bigbigsur';
else if (whereto == "images/postcards/big/bigcougar.jpg") document.postcard.pcimage.value='bigcougar';
else if (whereto == "images/postcards/big/bigelephantseal.jpg") document.postcard.pcimage.value='bigelephantseal';
else if (whereto == "images/postcards/big/biggiraffe.jpg") document.postcard.pcimage.value='biggiraffe';
else if (whereto == "images/postcards/big/bigredroo.jpg") document.postcard.pcimage.value='bigredroo';
else if (whereto == "images/postcards/big/biglizard.jpg") document.postcard.pcimage.value='biglizard';
}