function fdprices(data) {
         var r= data['results'][lcode];
         var drpices= {};
         for (var occ in r) {
           for (var wrid in r[occ])
            drpices[wrid]= r[occ][wrid];
          }
          return drpices;
       }

       function wbCheckAvail(button, grid) {
         var dfrom= $('#dfrom_' + grid).val();
         if (!dfrom) {
           return alert('Seleziona una data per favore');
         }
         var nights= $('#nights_' + grid).val();
         $(button).hide();
         $('#check_' + grid).html(''); 
         WuBook.fount({'dfrom': dfrom, 'nights': nights, 'compact': 0}, function(data) {
          var dprices= fdprices(data);
          var res= {};
          var something= false;
          for (var wrid in grooms[grid]) {
            var p= dprices[wrid];
            if (!p) continue;
            res[wrid]= p * nights;
            something= true;
          }
          if (!something) {
            $(button).show();
            return alert('Non ci sono stanze disponibili per il periodo scelto.'); 
          }
          var html= '<div class="prenota">';
          for (var wrid in res) {
            var p= res[wrid];
            html+= '<div class="row"><div class="icona">';
            var ads= grooms[grid][wrid]['adults'];
            var chi= grooms[grid][wrid]['children'];
            var ico= WuBook.occupancy_icon_tag(ads, chi);
            html+= ico + p.toFixed(2) + ' &euro; &nbsp;</div>';
            var action= "WuBook.open({dfrom: '" +  dfrom + "', nights: " + nights + ', bookrooms:' + wrid +'})';
            console.log(action);
            html+= '<div class="btn_prenota"><input class="btn btn_green" onclick="' + action + '" name="submit" value="Book now" type="submit"/></div></div>';
          }
          html+= '</div>';
          $('#check_' + grid).html(html);
          $(button).show();
        });
      }