var message="Maaf, Right Click tidak diperkenankan!";

function clickIE4(){
if (event.button==2){
alert(message);
return false;
}
}

function clickNS4(e){
if (document.layers||document.getElementById&&!document.all){
if (e.which==2||e.which==3){
alert(message);
return false;
}
}
}

if (typeof allow_right_click!='undefined') {
	if (allow_right_click==0) { 
		if (document.layers){
			document.captureEvents(Event.MOUSEDOWN);
			document.onmousedown=clickNS4;
		}
		else if (document.all&&!document.getElementById){
			document.onmousedown=clickIE4;
		}
		document.oncontextmenu=new Function("alert(message);return false")
	}
}