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

	//¿À¸¥Âʸ¶¿ì½º¿Í Å°º¸µå Ŭ¸¯ ¹æÁö//
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.altKey == true) {
		if (event.keyCode == 67 || event.keyCode == 86 || event.keyCode == 88) {
			return true;
		}
		return false;
	}
	if(event.srcElement.tagName != 'INPUT' && event.srcElement.tagName != 'TEXTAREA' && event.srcElement.tagName != 'SELECT') {
		event.keyCode = 0;
		event.cancelBubble = true;
		event.returnValue = false;
	}
}
document.onkeydown = processKey;