if (document.images) {
  imageMapon = new Image();
  imageMapon.src = "/common/nwmls/images/tab_search_map_on.gif";

  imageAddresson = new Image();
  imageAddresson.src = "/common/nwmls/images/tab_search_address_on.gif";

  imageZipon = new Image();
  imageZipon.src = "/common/nwmls/images/tab_search_zip_on.gif";

  imageMlson = new Image();
  imageMlson.src = "/common/nwmls/images/tab_search_mls_on.gif";


  imageMapoff = new Image();
  imageMapoff.src = "/common/nwmls/images/tab_search_map_off.gif";

  imageAddressoff = new Image();
  imageAddressoff.src = "/common/nwmls/images/tab_search_address_off.gif";

  imageZipoff = new Image();
  imageZipoff.src = "/common/nwmls/images/tab_search_zip_off.gif";

  imageMlsoff = new Image();
  imageMlsoff.src = "/common/nwmls/images/tab_search_mls_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");
    }
  }
}