var rc_message = "Sorry, you do not have permission to right click.";

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

// activate the right-click takeover
if( document.layers ) { document.captureEvents(Event.MOUSEDOWN); document.onmousedown == rightNS; }
else { document.onmouseup = rightNS; document.oncontextmenu = rightIE; }
document.oncontextmenu = new Function("return false;");