function translate(language) {
	var act = document.getElementById("act_"+language);
	act.style.display = "block" ;
	switch (language) {
		case 'en' : lang1 = 'de' ; lang2 = 'fr' ; break ;
		case 'de' : lang1 = 'en' ; lang2 = 'fr' ; break ;
		case 'fr' : lang1 = 'en' ; lang2 = 'de' ; break ;
	}
	var lang = document.getElementById("act_"+lang1);
	lang.style.display = "none" ;
	var lang = document.getElementById("act_"+lang2);
	lang.style.display = "none" ;
}