d=document;

if (d.images) {
sections = new Array("mc","en","sr","cc","ii","se");
for (x=0;x<=sections.length;x++){
var setup = sections[x]+'on = new Image();'+sections[x]+'on.src = "images/global/nav/'+sections[x]+'_on.gif";'+sections[x]+'off = new Image();'+sections[x]+'off.src = "images/global/nav/'+sections[x]+'_off.gif";';
eval(setup);
}}

function on(which){if (d.images){
document[which].src = eval(which + "on.src");
}}
	 
function off(which){if (d.images){
document[which].src = eval(which + "off.src");
}}