// image rollover variables

if (document.images) 
{

	navPortraits = new Image();
  navPortraits.src = "images/nav_portraits.gif";

	navPortraits_over = new Image();
  navPortraits_over.src = "images/nav_portraits_over.gif";

	navPlaces = new Image();
  navPlaces.src = "images/nav_places.gif";

	navPlaces_over = new Image();
  navPlaces_over.src = "images/nav_places_over.gif";

	navProducts = new Image();
  navProducts.src = "images/nav_products.gif";

	navProducts_over = new Image();
  navProducts_over.src = "images/nav_products_over.gif";
	
	navCreative = new Image();
  navCreative.src = "images/nav_creative.gif";

	navCreative_over = new Image();
  navCreative_over.src = "images/nav_creative_over.gif";
	
	navAbout = new Image();
  navAbout.src = "images/nav_about.gif";

	navAbout_over = new Image();
  navAbout_over.src = "images/nav_about_over.gif";
	
	navContact = new Image();
  navContact.src = "images/nav_contact.gif";

	navContact_over = new Image();
  navContact_over.src = "images/nav_contact_over.gif";
}

// image rollover function

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");
    }
  }
}