var message="That function has been disabled for this page!";

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 (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")