//<![CDATA[
var message = "Sorry, copying images from this website has been disabled."
function click(e) {
    if (document.all) {
        if (event.button == 2) {
            alert(message);
            return false;
        }
    }
    if (document.layers) {
        if (e.which == 3) {
            alert(message);
            return false;
        }
    }
}
if (document.layers) {
    document.captureEvents(Event.MOUSEDOWN);
}
document.onmousedown = click;
//]]>