if (document.images) {

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

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

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

  portfolioOff = new Image();
  portfolioOff.src = "/images/nav/portfolio.png"

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

  sustainable_landscapesOff = new Image();
  sustainable_landscapesOff.src = "/images/nav/sustainable_landscapes.png"

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

  about_usOff = new Image();
  about_usOff.src = "/images/nav/about_us.png"

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

  linksOff = new Image();
  linksOff.src = "/images/nav/links.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.images[changeImages.arguments[i]].src = window[changeImages.arguments[i+1]].src;
    }
  }
}

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