"

From 2014.igem.org

function onHover() {

   $("#menuImg").attr('src', 'http://marketing.optomausa.com/images/DS216/DS216_Back_100dpi.jpg');

}

function offHover() {

   $("#menuImg").attr('src', 'http://marketing.optomausa.com/images/DS216/DS216_Front_100dpi.jpg');

} (jQuery);