browserName = navigator.appName
browserVersion = parseInt(navigator.appVersion)
document.onmousedown = checkforRightMouseButtonClick;
if (browserVersion < 5 && browserName == "Netscape")
{
	window.onmousedown = checkforRightMouseButtonClick;
}
function checkforRightMouseButtonClick(mouseEvent)
{
	if (((browserName == "Microsoft Internet Explorer") && (event.button > 1)) || ((browserName == "Netscape") && (mouseEvent.which > 1)))
	{
		alert("Désolé ! Copyright !") /* Message */;
		return false;
	}
	else
	{
		return true;
	}
}