function showRicerca() {
document.getElementById("ricerca").filters[0].Apply();
document.getElementById("ricerca").filters[0].transition= "6";
document.getElementById("ricerca").style.visibility = "visible";
document.getElementById("ricerca").filters[0].Play();
	
}
function closeRicerca() {
document.getElementById("ricerca").filters[0].Apply();
document.getElementById("ricerca").filters[0].transition= "7";
document.getElementById("ricerca").style.visibility = "hidden";
document.getElementById("ricerca").filters[0].Play();
	
}