function DisableRightClick()
	{
	var isNS = (navigator.appName == "Netscape") ? 1 : 0;
	if(navigator.appName == "Netscape") document.captureEvents(Event.MOUSEDOWN||Event.MOUSEUP);
	function mischandler()
		{
		return false;
		}
	function mousehandler(e)
		{
		var myevent = (isNS) ? e : event;
		var eventbutton = (isNS) ? myevent.which : myevent.button;
		if((eventbutton==2)||(eventbutton==3)) return false;
		}
	document.oncontextmenu = mischandler;
	document.onmousedown = mousehandler;
	document.onmouseup = mousehandler;
	}
DisableRightClick();