function onMouse() {
if (!document.getElementById) return
var aPreLoad = new Array();
var sTempSrc;
var aimg = document.getElementsByTagName('img');
for (var i = 0; i < aimg.length; i++) {
if (aimg[i].className == 'ro') {
var src = aimg[i].getAttribute('src');
var ftype = src.substring(src.lastIndexOf('.'), src.length);
var hsrc = src.replace(ftype, '_on'+ftype);
aimg[i].setAttribute('hsrc', hsrc);
aPreLoad[i] = new Image();
aPreLoad[i].src = hsrc;
aimg[i].onmouseover = function() {
sTempSrc = this.getAttribute('src');
this.setAttribute('src', this.getAttribute('hsrc'));
}
aimg[i].onmouseout = function() {
if (!sTempSrc) sTempSrc = this.getAttribute('src').replace('_on'+ftype, ftype);
this.setAttribute('src', sTempSrc);
}
}
}
}

img = new Array();
function onMouse2() {
if (!document.getElementById) return
var aPreLoad = new Array();
var sTempSrc;
var aimg = document.getElementsByTagName('input');
for (var i = 0; i < aimg.length; i++) {
if (aimg[i].className == 'ro') {
var src = aimg[i].getAttribute('src');
var ftype = src.substring(src.lastIndexOf('.'), src.length);
var hsrc = src.replace(ftype, '_on'+ftype);
aimg[i].setAttribute('hsrc', hsrc);
aPreLoad[i] = new Image();
aPreLoad[i].src = hsrc;
aimg[i].onmouseover = function() {
sTempSrc = this.getAttribute('src');
this.setAttribute('src', this.getAttribute('hsrc'));
}
aimg[i].onmouseout = function() {
if (!sTempSrc) sTempSrc = this.getAttribute('src').replace('_on'+ftype, ftype);
this.setAttribute('src', sTempSrc);
}
}
}
}

function PreloadImg(){
for(i=0; i<img.length; i++){
ImageName = "Image"+ i;
var ImageName = new Image();
ImageName.src = img[i];
}
}
function init() {
onMouse();
onMouse2();
PreloadImg();
}