// JavaScript Document
// IMAGE ROLLOVER
var img = document.getElementsByTagName("img");
for(i=0; i<img.length; i++){
    if(img[i].src.match(/_o(n|ff)/)){
        img[i].onmouseover = function(){this.src = this.src.replace("_off", "_on");};
        img[i].onmouseout=function(){this.src = this.src.replace("_on", "_off");};
}}