if (document.images) {

  // new button
  camerasOn = new Image();
  camerasOn.src = "/images/nav/cameras-ro.png"

  camerasOff = new Image();
  camerasOff.src = "/images/nav/cameras.png"

  // new button
  servicesOn = new Image();
  servicesOn.src = "/images/nav/services-ro.png"

  servicesOff = new Image();
  servicesOff.src = "/images/nav/services.png"

  // new button
  photo_suppliesOn = new Image();
  photo_suppliesOn.src = "/images/nav/photo_supplies-ro.png"

  photo_suppliesOff = new Image();
  photo_suppliesOff.src = "/images/nav/photo_supplies.png"

  // new button
  inventoryOn = new Image();
  inventoryOn.src = "/images/nav/inventory-ro.png"

  inventoryOff = new Image();
  inventoryOff.src = "/images/nav/inventory.png"

  // new button
  binocularsOn = new Image();
  binocularsOn.src = "/images/nav/binoculars-ro.png"

  binocularsOff = new Image();
  binocularsOff.src = "/images/nav/binoculars.png"

  // new button
  video_transfersOn = new Image();
  video_transfersOn.src = "/images/nav/video_transfers-ro.png"

  video_transfersOff = new Image();
  video_transfersOff.src = "/images/nav/video_transfers.png"

  // new button
  hoursOn = new Image();
  hoursOn.src = "/images/nav/hours-ro.png"

  hoursOff = new Image();
  hoursOff.src = "/images/nav/hours.png"

  // new button
  directionsOn = new Image();
  directionsOn.src = "/images/nav/directions-ro.png"

  directionsOff = new Image();
  directionsOff.src = "/images/nav/directions.png"

  // new button
  contactOn = new Image();
  contactOn.src = "/images/nav/contact-ro.png"

  contactOff = new Image();
  contactOff.src = "/images/nav/contact.png"

}

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");
    }
  }
}

function openBrWindow(theURL,winName,features) {
  window.open(theURL,winName,features);
}