function Verifica(){
        if (document.getElementById("ctl00_txtCerca").value.length<3){
            alert("Inserire almeno 3 caratteri di ricerca!!");
            return false;
        }
        return true;
    }
   
    
function bookmark(address, sitename) {
  if (window.sidebar) {
    window.sidebar.addPanel(sitename, address,"");
  } else if( document.all ) {
    window.external.AddFavorite(address, sitename);
  } else if( window.opera && window.print ) {
    return true;
  }
}