var isNS = (navigator.appName == "Netscape") ? 1 : 0; 
	var EnableRightClick = 0; 
	if(isNS) 
	document.captureEvents(Event.MOUSEDOWN||Event.MOUSEUP); 
	function mischandler(){ 
	if(EnableRightClick==1){ return true; } 
	else {return false; } 
	} 
	function mousehandler(e){ 
	if(EnableRightClick==1){ return true; } 
	var myevent = (isNS) ? e : event; 
	var eventbutton = (isNS) ? myevent.which : myevent.button; 
	if((eventbutton==2)||(eventbutton==3)) return false; 
	} 
	function keyhandler(e) { 
	var myevent = (isNS) ? e : window.event; 
	if (myevent.keyCode==96) 
	EnableRightClick = 1; 
	return; 
	} 
	document.oncontextmenu = mischandler; 
	document.onkeypress = keyhandler; 
	document.onmousedown = mousehandler; 
	document.onmouseup = mousehandler;