function yaunclick()
	{
	alert('Point d\'accés impossible !');
	}
function noclick(scx)
	{
	if (navigator.appName == "Netscape" && scx.which == 3)
		{
		yaunclick();
		return false; 
		}
if (navigator.appVersion.indexOf("MSIE") != -1 && event.button == 2)
		{
		yaunclick();
		return false; 
		}
	}
document.onmousedown = noclick