dojo.addOnLoad(function() {
    dojo.query(".dojoxLightboxImage").forEach(function(node) {
        dojo.connect(node, "oncontextmenu", function(event) {
            event.preventDefault();
            event.stopPropagation();
            var cp = "The use of these images in limited to private use only.\n" +
                "For more information, contact russlib@uga.edu.";
            var cpDialog = new dijit.Dialog({
                title: "Copyright",
                content: cp
            });
            //cpDialog.show();
            alert(cp);
        });
    });
});