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");