<!-- Hide this from older browsers

// function to 'activate' images
function imgOn (imgId) {
        if (document.images) {
                document.getElementById(imgId).src = "pics/buttons/" + imgId + "_on.gif";
                        }
        }
// function to 'deactivate' images
function imgOff (imgId) {
        if (document.images) {
                 document.getElementById(imgId).src = "pics/buttons/" + imgId + "_off.gif"; 
                        }
        }

// end hide -->