function changeLangue()
{ 
	CurrentAddr=location.href; 
	<!-- CurrentAddr=CurrentAddr.toLowerCase(); --> 
	i = CurrentAddr.lastIndexOf("/fr/"); 
	j = CurrentAddr.lastIndexOf("/en/"); 
	if ((i == -1) && (j != -1)) 
	{ 
		location.href = CurrentAddr.substring(0, j) + "/fr/" + CurrentAddr.substring(j + 4); 
	} 
	if ((i != -1) && (j == -1)) { 
		location.href = CurrentAddr.substring(0, i) + "/en/" + CurrentAddr.substring(i + 4); 
	} 
	return true 
}