// This is the implementation of SimpleSwap
// by Jehiah Czebotar
// Version 1.1 - June 10, 2005
// Distributed under Creative Commons
//
// Include this script on your page
// then make image rollovers simple like:
// <img src="/images/ss_img.gif" oversrc="/images/ss_img_over.gif">
//
// http://jehiah.com/archive/simple-swap
// 

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

function SimpleSwapSetup(){
  var x = document.getElementById("button_ok");
  if(!x) {return;}
  var oversrc = x.getAttribute("oversrc");

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

var PreSimpleSwapOnload =(window.onload)? window.onload : function(){};
window.onload = function(){PreSimpleSwapOnload(); SimpleSwapSetup();}