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;
}

document.oncontextmenu = new Function("return false");