if (document.images) {            // Active Images
	
	home_off = new Image(110,18);
		home_off.src = "../images/navof-00-01.jpg";

about_off = new Image(110,18);
                        about_off.src = "../images/navof-01-01.jpg";

     

          instit_off = new Image(110,18);
                        instit_off.src = "../images/navof-03-01.jpg";   

          guest_off = new Image(110,18);
                        guest_off.src = "../images/navof-04-01.jpg";

          contact_off = new Image(110,18);
                        contact_off.src = "../images/navof-05-01.jpg";
                        
                        


		home_on = new Image(110,18);
			home_on.src = "../images/navon-00-01.jpg";          

		about_on = new Image(110,18);
                        about_on.src = "../images/navon-01-01.jpg";


                  instit_on = new Image(110,18);
                        instit_on.src = "../images/navon-03-01.jpg";

                        guest_on = new Image(110,18);
                        guest_on.src = "../images/navon-04-01.jpg";
 
                        contact_on = new Image(110,18);
                        contact_on.src = "../images/navon-05-01.jpg";

                        

}

// Function to 'activate' images.
function imgOn(imgName) {
        if (document.images) {
            document[imgName].src = eval(imgName + "on.src");
        }
}

// Function to 'deactivate' images.
function imgOff(imgName) {
        if (document.images) {
            document[imgName].src = eval(imgName + "off.src");
        }
}