//pre-loads rollovers and gives src info (using it for the number rollovers)
var rover1off = new Image();
rover1off.src = "/wildworld/images/rover_eco_bering.gif";
var rover1on = new Image();
rover1on.src = "/wildworld/images/rover_eco_bering_on.gif";
var rover2off = new Image();
rover2off.src = "/wildworld/images/rover_eco_amazon.gif";
var rover2on = new Image();
rover2on.src = "/wildworld/images/rover_eco_amazon_on.gif";
var rover3off = new Image();
rover3off.src = "/wildworld/images/rover_eco_sulu.gif";
var rover3on = new Image();
rover3on.src = "/wildworld/images/rover_eco_sulu_on.gif";
var rover4off = new Image();
rover4off.src = "/wildworld/images/rover_eco_madagascar.gif";
var rover4on = new Image();
rover4on.src = "/wildworld/images/rover_eco_madagascar_on.gif";
var rover5off = new Image();
rover5off.src = "/wildworld/images/rover_eco_himalaya.gif";
var rover5on = new Image();
rover5on.src = "/wildworld/images/rover_eco_himalaya_on.gif";
var rover6off = new Image();
rover6off.src = "/wildworld/images/rover_eco_rivers.gif";
var rover6on = new Image();
rover6on.src = "/wildworld/images/rover_eco_rivers_on.gif";
var rover7off = new Image();
rover7off.src = "/wildworld/images/rover_eco_amazonriver.gif";
var rover7on = new Image();
rover7on.src = "/wildworld/images/rover_eco_amazonriver_on.gif";
var rover8off = new Image();
rover8off.src = "/wildworld/images/rover_eco_reef.gif";
var rover8on = new Image();
rover8on.src = "/wildworld/images/rover_eco_reef_on.gif";
//doesn't pre-load the images and requires src info in body (i'm using it for the placename //because they're not really off/on dealies)
function show(imageSrc) {
     if (document.images) document.images['myImage'].src = imageSrc;
 }