/* image rollover code */
n = 5;
navimg = "/images/nav/";
imgOn = new Array(n);
imgOff = new Array(n);

imgName = new Array(n);
  imgName[0] = "home";
  imgName[1] = "listings";
  imgName[2] = "agents";
  imgName[3] = "careers";
  imgName[4] = "contact";

if (document.images) {
  for (var i = 0; i < n; i++) {
    imgOff[i] = new Image();
    imgOff[i].src = navimg +  imgName[i] + "0.gif";
    imgOn[i]  = new Image();
    imgOn[i].src  = navimg +  imgName[i] + "1.gif";
  }
}

function di(index, status){
  var name = imgName[index];
  if (document.images) {
    if (status == 0) {
      document[name].src = imgOff[index].src;
    } else {
      document[name].src = imgOn[index].src;
    }
  }
}

function dm(msg) {
  window.status = msg;
  document.returnValue = true;
  return document.returnValue;
}

function on(img, msg){
  di(img, 1);
  dm(msg);
}

function off(img){
  di(img, '0');
  dm('');
}