var texte="PO PUP KUKURUDZ(R)\nTout droit réservé";

var ie4= (navigator.appName=="Microsoft Internet Explorer")?1:0;
var ns4= (navigator.appName=="Netscape")?1:0;

function eventSetup() {
if (ie4){document.onmousedown = mouseDown;}
if(ns4) {document.captureEvents(Event.MOUSEDOWN);document.onmousedown = mouseDown;}
}

function mouseDown(e) {
if (ie4 && event.button==2) 
	{
		setTimeout("alert(texte)",1);
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if (ns4 && e.which==3)
	{
		setTimeout("alert(texte)",1);
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}

eventSetup() ;