function disableRight(e)
{
//  var message = "禁用右鍵！";  
  if(!document.rightClickDisabled){
    if(document.layers) 
    {
      document.captureEvents(Event.MOUSEDOWN);
      document.onmousedown = disableRight;
    }
    else document.oncontextmenu = disableRight;
    return document.rightClickDisabled = true;
  }
  if(document.layers || (document.getElementById && !document.all)){
    if (e.which==2||e.which==3){
      //alert(message);
      return false;
    }
  }else{
    //alert(message);
    return false;
  }
}
disableRight();