function cachelemessagedattente(idf) {
	  if (document.getElementById) {
		  document.getElementById(idf).style.visibility="hidden";
		} else if (document.all) {
		  document.all[idf].style.visibility="hidden";
		} else if (document.layers) {
		  document.layers[idf].visibility="hidden";
		}
	  }