window.onload=rolloverInit;
function rolloverInit() {
for(var i=0;i<document.links.length;i++ ){
var linkUrl=document.links[i];
if (linkUrl.className){
var imgUrl=document.getElementById(linkUrl.className);
if (imgUrl){
setupRollover(linkUrl,imgUrl);
}
}
}
}
function setupRollover(thisLink,thisImg) {
var defaultUrl=thisImg.src;
thisLink.onmouseover=function() {
thisImg.src="../img/"+thisLink.id+".jpg";
}
thisLink.onmouseout=function () {
thisImg.src=defaultUrl;
}
}