<!--
        if (document.images) {
        img1on = new Image();
            img1on.src ="/images/hover_images/hover_class_color.gif";       // Active Images
        img2on = new Image();
            img2on.src ="/images/hover_images/hover_org_color.gif";
        img3on = new Image();
            img3on.src ="/images/hover_images/hover_med_color.gif";
        img4on = new Image();
            img4on.src ="/images/hover_images/hover_me_color.gif";
			

        img1off = new Image();
            img1off.src ="/images/hover_images/hover_class_gray.gif";       // Inactive Images
        img2off = new Image();
            img2off.src ="/images/hover_images/hover_org_gray.gif";
        img3off = new Image();
            img3off.src ="/images/hover_images/hover_med_gray.gif";
        img4off = new Image();
            img4off.src ="/images/hover_images/hover_me_gray.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");
        }
}
// -->