late_night_handlebars.js

var info_div = "" +
"   <div class='neighborhood'>" + 
"     <h3>{{name}}</h3>" + 
"     <ul>" +
"       {{#addresses}}" +
"         <li class='spot'>" +
"           <a href='#' data-address-id='{{id}}'>{{spot/name}}</a>" +
"           <ul class='days_available'>{{#days_available}}{{/days_available}}</ul>" +
"         </li>" +
"       {{/addresses}}" +
"     </ul>" +
"   </div>" +
"";
Handlebars.registerHelper('days_available', function(context, fn) {
  var self = this;
  return $.map(days, function(value){
    var class_name = self.__get__(value) ? "available" : "";
    return "<li class='" + class_name + "'>" + value[0] + "</li>";
  }).join("");
});

var info_div_template = Handlebars.compile(info_div);
info_panel.append(info_div_template(neighborhood_data));