anchor.diff:    }
     $('#combo-form input[type="radio"]').live('click', function() {
       var radioInput = $(this);
  -    if('new' == radioInput.val()) {
  +    if('new' === radioInput.val()) {
         $('#combo-form').data('state', 'user_sign_up');
         $('#user_forgot_password_fields').slideUp();
         $('#user_sign_in_fields').slideUp();
         $('#user_sign_up_fields').slideDown(function() {
           setComboFormFocus();
         });
  -    } else if('existing' == radioInput.val()) {
  +    } else if('existing' === radioInput.val()) {
         $('#user_sign_up_fields').slideUp();
         $('#user_sign_in_fields').slideDown(function() {
           $('#combo-form').data('state', 'user_sign_in');
  
positive.code:   var isWindowOpen = false;
    var thingIds = [];
    function addMarker(thingId, point, color) {
      if(color == 'green') {
        var image = greenMarkerImage;
      } else if(color == 'red') {
        var image = redMarkerImage;
      }
      var marker = new google.maps.Marker({
  
negative.code:         },
          success: function(data) {
            // Prevent race condition, which could lead to multiple windows being open at the same time.
            if(infoWindow === activeInfoWindow) {
              infoWindow.setContent(data);
              infoWindow.open(map, marker);
              isWindowOpen = true;
  