var message="";

function clickIE() {if (document.all) {(message);return false;}}
function clickNS(e) {if 
(document.layers||(document.getElementById&&!document.all)) {
if (e.which==2||e.which==3) {(message);return false;}}}
if (document.layers) 
{document.captureEvents(Event.MOUSEDOWN);document.onmousedown=clickNS;}
else{document.onmouseup=clickNS;document.oncontextmenu=clickIE;}

document.oncontextmenu=new Function("return false")

/////////////////

var isnn,isie
var message="";
if(navigator.appName=='Microsoft Internet Explorer') //check the browser
{  isie=true }

if(navigator.appName=='Netscape')
{  isnn=true }

function right(e) //trap right click button 
{
	if (isnn && (e.which == 3 || e.which == 2 ))
	return false;
	else if (isie && (event.button == 2 || event.button == 3)) 
	{(message);return false;}
}

function key(k)   
{
	if(isie){
//var aa=self.event.keyCode;
//alert(aa);
		if(event.keyCode==17 || event.keyCode==18 || event.keyCode==65 || event.keyCode==67 || event.keyCode==86 || event.keyCode==5) 
		{
		return false;	
		} 
	}

	if(isnn){
		return false;
		}
}

if (document.layers) window.captureEvents(Event.KEYPRESS);
if (document.layers) window.captureEvents(Event.MOUSEDOWN);
if (document.layers) window.captureEvents(Event.MOUSEUP);
document.onkeydown=key;  
document.onmousedown=right;
document.onmouseup=right;
window.document.layers=right;