var logo;
var home;
var logoActive;
var logoDefault;

function load() {
try {
  if (document.images) {
    logoActive = new Image(); logoActive.src = "img/logo-act.png";
    logoDefault= new Image(); logoDefault.src= "img/logo.png";
    home = document.getElementById("home");
    logo = document.getElementById("logo");    
    home.addEventListener("onmouseover", function() {logo.setAttribute("src", logoActive.src)},false);
    home.addEventListener("onmouseout", function() {logo.setAttribute("src",logoDefault.src)},false);
  }
} catch (e) { alert(e) }
}