// Predeclare Images

        if (document.images)
        {
		
				about = new Image();
                about.src = "images/nav/about.gif";
                about_on = new Image();
                about_on.src = "images/nav/about-on.gif";
				
				services = new Image();
                services.src = "images/nav/services.gif";
                services_on = new Image();
                services_on.src = "images/nav/services-on.gif";
				
				boarding = new Image();
                boarding.src = "images/nav/boarding.gif";
                boarding_on = new Image();
                boarding_on.src = "images/nav/boarding-on.gif";
				
				events = new Image();
                events.src = "images/nav/events.gif";
                events_on = new Image();
                events_on.src = "images/nav/events-on.gif";
				
				contact = new Image();
                contact.src = "images/nav/contact.gif";
                contact_on = new Image();
                contact_on.src = "images/nav/contact-on.gif";
				
				facilities = new Image();
                facilities.src = "images/nav/facilities.gif";
                facilities_on = new Image();
                facilities_on.src = "images/nav/facilities-on.gif";
				
            }
			


//  Function for Image On or Off

function change(img,act)
{ if (document.images) 
  { if (act=="on")  
    { document [img].src = eval(img+'_on.src'); 
     } 
    else
    { document [img].src = eval(img+'.src');} 
  } 
}