<!--
// chong click chuot
function click(e) {
	if (document.all) {
		if (event.button==2||event.button==3) {
			return false;
		}
	} else {
		if (e.button==2||e.button==4) {
			e.preventDefault();
			e.stopPropagation();
			return false;
		}
	}
}
if (document.all) // for IE
{
	document.onmousedown=click;
}
else // for FF
{
	document.onclick=click;
}

// chong menu ngu canh
function ehan( evnt ) {
	if( evnt.which == 3 ) {
		return false;
	}
	return true;
}
function ocmh() {
	return false;
}
document.oncontextmenu = ocmh;
//document.captureEvents( Event.MOUSEDOWN );
if( document.layers ) document.onmousedown = ehan;
-->