if (document.images) {
            img01on = new Image();          
            img01on.src = "images/buoy_on.gif";
			img02on = new Image();          
            img02on.src = "images/buoy_on.gif";
			img03on = new Image();          
            img03on.src = "images/buoy_on.gif";    
            img04on = new Image();          
            img04on.src = "images/buoy_on.gif";    
            img05on = new Image();          
            img05on.src = "images/buoy_on.gif";
			img06on = new Image();          
            img06on.src = "images/1x1.gif";				     		
            // Active Images (rollover)
			
			img01off = new Image();          
            img01off.src = "images/buoy.gif";
			img02off = new Image();          
            img02off.src = "images/buoy.gif";
			img03off = new Image();          
            img03off.src = "images/buoy.gif";    
            img04off = new Image();          
            img04off.src = "images/buoy.gif";    
            img05off = new Image();          
            img05off.src = "images/buoy.gif";	
			img06off = new Image();          
            img06off.src = "images/1x1.gif";				     		 
            // INactive Images
			
			img01ad = new Image();         
            img01ad.src = "images/kongshavn_photo.jpg";      
            img02ad = new Image();         
            img02ad.src = "images/kongshavn_facilities.jpg";
			img03ad = new Image();         
            img03ad.src = "images/transport.jpg";       
            img04ad = new Image();         
            img04ad.src = "images/the_board.gif";      
            img05ad = new Image();         
            img05ad.src = "images/fo4.gif";
			img06ad = new Image();         
            img06ad.src = "images/fo4.gif";    
            // Secondary HOLDER Images
        }
// Function to 'activate' images.
function imgOn(imgName) {
        if (document.images) {
            document[imgName].src = eval(imgName + "on.src");
            document["photo"].src = eval(imgName + "ad.src");
        }
}
// Function to 'deactivate' images.
function imgOff(imgName) {
        if (document.images) {
            document[imgName].src = eval(imgName + "off.src");
            document["photo"].src = "images/fo4.gif";
        }
}