// JavaScript Document

var offImgs = new Array();
var overImgs = new Array();

function cacheImgs(){
var imgPath = "/content/images/";
for(var i=0;i<arguments.length;i++){
var imgRef = arguments[i];
offImgs[imgRef] = new Image();
offImgs[imgRef].src = imgPath+imgRef+"_off.gif";
overImgs[imgRef] = new Image();
overImgs[imgRef].src = imgPath+imgRef+"_over.gif";
}
}

cacheImgs("round-bot","round-top");

function imgChange(imgRef,doOver){
if(doOver){
document[imgRef].src = overImgs[imgRef].src;
} else {
document[imgRef].src = offImgs[imgRef].src;
}
}