if (document.images) {
  image_mris01on = new Image();
  image_mris01on.src = "/images/mris/tab_residential_on.gif";

  image_mris02on = new Image();
  image_mris02on.src = "/images/mris/tab_lotsland_on.gif";

  image_mris03on = new Image();
  image_mris03on.src = "/images/mris/tab_multifamily_on.gif";

  image_mris04on = new Image();
  image_mris04on.src = "/images/mris/tab_commercial_on.gif";

  image_mris06on = new Image();
  image_mris06on.src = "/images/mris/tab_commercialrentals_on.gif";

  image_mris08on = new Image();
  image_mris08on.src = "/images/mris/tab_residentialrentals_on.gif";


  image_mris01off = new Image();
  image_mris01off.src = "/images/mris/tab_residential_off.gif";

  image_mris02off = new Image();
  image_mris02off.src = "/images/mris/tab_lotsland_off.gif";

  image_mris03off = new Image();
  image_mris03off.src = "/images/mris/tab_multifamily_off.gif";

  image_mris04off = new Image();
  image_mris04off.src = "/images/mris/tab_commercial_off.gif";

  image_mris06off = new Image();
  image_mris06off.src = "/images/mris/tab_commercialrentals_off.gif";

  image_mris08off = new Image();
  image_mris08off.src = "/images/mris/tab_residentialrentals_off.gif";
}

function changeImages() {
  if (document.images) {
    for (var i=0; i<changeImages.arguments.length; i+=2) {
      document[changeImages.arguments[i]].src = eval(changeImages.arguments[i+1] + ".src");
    }
  }
}