// preload navigation images:
function preloadImages() {
	guestrooms_on.src = "/images/nav/guestrooms_on.gif";
	guestrooms_off.src = "/images/nav/guestrooms_off.gif";
	
	rands_on.src = "/images/nav/rands_on.gif";
	rands_off.src = "/images/nav/rands_off.gif";
	
	directions_on.src = "/images/nav/directions_on.gif";
	directions_off.src = "/images/nav/directions_off.gif";
	
	attractions_on.src = "/images/nav/attractions_on.gif";
	attractions_off.src = "/images/nav/attractions_off.gif";
	
	contact_on.src = "/images/nav/contact_on.gif";
	contact_off.src = "/images/nav/contact_off.gif";
	
}

	if (document.images) {
   guestrooms_on = new Image();
   guestrooms_on.src = "/images/nav/guestrooms_on.gif";
   guestrooms_off = new Image();
   guestrooms_off.src = "/images/nav/guestrooms_off.gif";
   
   rands_on = new Image();
   rands_on.src = "/images/nav/rands_on.gif";
   rands_off = new Image();
   rands_off.src = "/images/nav/rands_off.gif";
   
   directions_on = new Image();
   directions_on.src = "/images/nav/directions_on.gif";
   directions_off = new Image();
   directions_off.src = "/images/nav/directions_off.gif";
      
   attractions_on = new Image();
   attractions_on.src = "/images/nav/attractions_on.gif";
   attractions_off = new Image();
   attractions_off.src = "/images/nav/attractions_off.gif";

   contact_on = new Image();
   contact_on.src = "/images/nav/contact_on.gif";
   contact_off = new Image();
   contact_off.src = "/images/nav/contact_off.gif";

	} 


function swapImage(imgName,newImage) {
   if (document.images) {
      eval('document.' + imgName + '.src = ' + newImage + '.src');
   }
}