if (document.images) {            // Active Images
            img1on = new Image();      
            img1on.src = "/includes/nav_images/nav_buttons_over_02.gif";
            img1off = new Image();      
            img1off.src = "/includes/nav_images/nav_buttons_02.gif"; 


            img2on = new Image();      
            img2on.src = "/includes/nav_images/nav_buttons_over_04.gif";
            img2off = new Image();      
            img2off.src = "/includes/nav_images/nav_buttons_04.gif"; 


            img3on = new Image();      
            img3on.src = "/includes/nav_images/nav_buttons_over_06.gif";
            img3off = new Image();      
            img3off.src = "/includes/nav_images/nav_buttons_06.gif"; 


            img4on = new Image();      
            img4on.src = "/includes/nav_images/nav_buttons_over_08.gif";
            img4off = new Image();      
            img4off.src = "/includes/nav_images/nav_buttons_08.gif"; 


            img5on = new Image();      
            img5on.src = "/includes/nav_images/nav_buttons_over_10.gif";
            img5off = new Image();      
            img5off.src = "/includes/nav_images/nav_buttons_10.gif"; 


            img6on = new Image();      
            img6on.src = "/includes/nav_images/nav_buttons_over_12.gif";
            img6off = new Image();      
            img6off.src = "/includes/nav_images/nav_buttons_12.gif"; 


            img7on = new Image();      
            img7on.src = "/includes/nav_images/nav_buttons_over_14.gif";
            img7off = new Image();      
            img7off.src = "/includes/nav_images/nav_buttons_14.gif"; 


            img8on = new Image();      
            img8on.src = "/includes/nav_images/nav_buttons_over_16.gif";
            img8off = new Image();      
            img8off.src = "/includes/nav_images/nav_buttons_16.gif"; 


            img9on = new Image();      
            img9on.src = "/includes/nav_images/nav_buttons_over_18.gif";
            img9off = new Image();      
            img9off.src = "/includes/nav_images/nav_buttons_18.gif";


            img10on = new Image();      
            img10on.src = "/includes/nav_images/associations_over.gif";
            img10off = new Image();      
            img10off.src = "/includes/nav_images/associations.gif";

            
            		}
// 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");
        }
}

// -->