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");
function disableselect(e){
  return false;
}
function reEnable(){
  return true
}
//if IE4+
document.onselectstart=new Function ("return false");
//if NS6
if (window.sidebar){
 document.onmousedown=disableselect;
 document.onclick=reEnable;
}