//hover images on homepage
function hover(p){
  imgs = p.getElementsByTagName("img");
  if (!imgs){return;}
  for (var i=1; i<=3; i++){
    img = id2object("tumbnail"+i);
    img.src = (img == imgs[0]) ? img.src.replace("bw", "fc") : img.src.replace("fc", "bw");
  }
}

//preload images
(new Image()).src = "images/thumb-wes-bw.jpg";
(new Image()).src = "images/thumb-hin-fc.jpg";
(new Image()).src = "images/thumb-mid-fc.jpg";