Javascript Rollovers

A script to creat image rollovers with a minimun of effort

function SimpleSwap(el,which){
el.src=el.getAttribute(which || "origsrc");
}

function SimpleSwapSetup(){
var x = document.getElementsByTagName("img");
for (var i=0;i<x.length;i++){
var oversrc = x[i].getAttribute("oversrc");
if (!oversrc) continue;

// preload image
// comment the next two lines to disable image pre-loading
x[i].oversrc_img = new Image();
x[i].oversrc_img.src=oversrc;
// set event handlers
x[i].onmouseover = new Function("SimpleSwap(this,'oversrc');");
x[i].onmouseout = new Function("SimpleSwap(this);");
// save original src
x[i].setAttribute("origsrc",x[i].src);
}
var x = document.getElementsByTagName("input");
for (var i=0;i<x.length;i++){
var oversrc = x[i].getAttribute("oversrc");
if (!oversrc) continue;

// preload image
// comment the next two lines to disable image pre-loading
x[i].oversrc_img = new Image();
x[i].oversrc_img.src=oversrc;
// set event handlers
x[i].onmouseover = new Function("SimpleSwap(this,'oversrc');");
x[i].onmouseout = new Function("SimpleSwap(this);");
// save original src
x[i].setAttribute("origsrc",x[i].src);
}
}

javascript  accessable  rollovers