splashnav_off = new Image();
splashnav_off.src = "media/nav/btn_off.gif";
splashnav_on = new Image();
splashnav_on.src = "media/nav/btn_over.gif";

function srover(image) { if(document.images[image]) document.images[image].src = eval("splashnav_on.src"); }
function srout(image) { if(document.images[image]) document.images[image].src = eval("splashnav_off.src"); }