gistfile1.txt

  var PriceRangeFilter = {
    min: 0,
    max: 0,
  };

  var AllPropertyFilters = [];

  $( "#revenue-range" ).slider({
      range: true,
      min: Market.min_revenue,
      max: Market.max_revenue,
      values: [ 0, Market.max_revenue ],
      slide: function(event, ui) {
        PriceRangeFilter.min = ui.values[0];
        PriceRangeFilter.max = ui.values[1];
        applyAllFilters();
        $( "#filtered-rev" ).val( "$" + ui.values[ 0 ] + " - $" + ui.values[ 1 ] );
      }
    });

  $("input.showhide:checkbox").click(function() {
    var name       = $(this).data('property-name');
    var value      = $(this).data('property-value');
    var shouldShow = $(this).attr('checked') || 'unchecked';
    AllPropertyFilters = _.filter(AllPropertyFilters, function(propertyFilter){ return propertyFilter.value != value; });
    var filter = {name: name, value: value, shouldShow: shouldShow}
    AllPropertyFilters.push(filter);
    applyAllFilters();
  });

  var applyAllFilters = function(markers, filterList) {
    for (i in Gmaps.map.markers) {
      var marker = Gmaps.map.markers[i];
      Gmaps.map.showMarker(marker);
      if(marker.revenue < PriceRangeFilter.min || marker.revenue > PriceRangeFilter.max){
        Gmaps.map.hideMarker(marker);
      }
      for(i in AllPropertyFilters){
        if(marker[AllPropertyFilters[i].name] == AllPropertyFilters[i].value && AllPropertyFilters[i].shouldShow == "unchecked"){
          Gmaps.map.hideMarker(marker);
        }
      }
    }
  };