var message="";
///////////////////////////////////
function clickIE() {if (document.all) {(message);return false;}}
function clickNS(e) {
    if (document.layers||(document.getElementById&&!document.all)) {
        if (e.which==2||e.which==3) {
            (message);
            return false;
        }
    }
}

if (document.layers) {
    document.captureEvents(Event.MOUSEDOWN);
    document.onmousedown=clickNS;
} else {
    document.onmouseup=clickNS;document.oncontextmenu=clickIE;
}