document.onmousedown=right; 
document.onkeydown=keypressed; 
document.oncontextmenu=keypressed; 

function right(e) { 
 if (navigator.appName == 'Netscape' && 
  (e.which == 3 || e.which == 2)) { 
  return false; 
 } 
 else if (navigator.appName == 'Microsoft Internet Explorer' && 
  (event.button == 2 || event.button == 3)) { 
  return false; 
 } 
 return true; 
} 

function keypressed() { 
 return false; 
} 

function processKey() { 
 if( (event.ctrlKey == true && (event.keyCode == 78 || event.keyCode == 82)) || (event.keyCode >= 112 && event.keyCode <= 123)) { 
  event.keyCode = 0; 
  event.cancelBubble = true; 
  event.returnValue = false; 
 } 
} 
document.onkeydown = processKey; 
window.status = 'ÀÎõ°æÁ¦ÀÚÀ¯±¸¿ªÃ» ȨÆäÀÌÁöÀÔ´Ï´Ù';