if (navigator.appName == 'Netscape') {
  
  // Inibe motão direito //
  document.oncontextmenu = new Function("return false;");
  
} else {
  
  // Inibe motão direito //
  if (window.Event) document.captureEvents(Event.MOUSEUP); 
  
  function nocontextmenu() { 
    event.cancelBubble = true;
    event.returnValue = false; 
    return false; 
  } 
  
  function norightclick(e) { 
    if (window.Event) { 
      if (e.which == 2 || e.which == 3) return false; 
    } else if (event.button == 2 || event.button == 3) { 
      event.cancelBubble = true;
      event.returnValue = false; 
      return false; 
    } 
  } 
  
  if (document.layers) { 
    document.captureEvents(Event.MOUSEDOWN); 
  } 
  
  document.oncontextmenu = nocontextmenu; 
  document.onmousedown = norightclick; 
  document.onmouseup = norightclick;
  
  // Inibe cópia //
  function disableselect(e) {
    return false
  }
  
  function reEnable() {
    return true
  }
  
  document.onselectstart=new Function ("return false")
  
  if (window.sidebar) {
    document.onmousedown=disableselect
    document.onclick=reEnable
  }
  
}