function switchLanguage(langue)
 {
        if (langue == "en")	
			document.location.href = document.location.href.replace(/(\/)([a-z][a-z])(\/)/,"/en/")

		else  if (langue == "fr")
			document.location.href = document.location.href.replace(/(\/)([a-z][a-z])(\/)/,"/fr/")
			
		else  if (langue == "sp")
			document.location.href = document.location.href.replace(/(\/)([a-z][a-z])(\/)/,"/sp/")
 }