if (document.images) {

  var Login_a = new Image();
  Login_a.src = "/images/navigation/builder_login_RO.gif";
  var Login_n = new Image();
  Login_n.src = "/images/navigation/builder_login.gif";

  var Builder_a = new Image();
  Builder_a.src = "/images/navigation/Custom_Builder_R.gif";
  var Builder_n = new Image();
  Builder_n.src = "/images/navigation/Custom_Builder_B.gif";

  var Remodeler_a = new Image();
  Remodeler_a.src = "/images/navigation/Remodeler_R.gif";
  var Remodeler_n = new Image();
  Remodeler_n.src = "/images/navigation/Remodeler_B.gif";

  var Top100_a = new Image();
  Top100_a.src = "/images/navigation/Top100_R.gif";
  var Top100_n = new Image();
  Top100_n.src = "/images/navigation/Top100_B.gif";

  var Commercial_a = new Image();
  Commercial_a.src = "/images/navigation/Commercial_R.gif";
  var Commercial_n = new Image();
  Commercial_n.src = "/images/navigation/Commercial_B.gif";

}


function act(imgName) {
  if (document.images) 
    document.images[imgName].src = eval(imgName + "_a.src");
}


function inact(imgName) {
  if (document.images)
    document.images[imgName].src = eval(imgName + "_n.src");
}