anchor.diff:          else{
   
           }
  -
  +        // Disables fields not relevant to the search
           if (selectedSupportVehicles){
             $('.not-for-support-vehicles :input').attr("disabled", "disabled");
           }
  
positive.code:         else
            $('.all-asset-only').hide();
  
          if (!selectedRailCars){
            $('.not-for-railcars :input').removeAttr("disabled");
          }
  
negative.code: 
          var noTypeSpecified = (!selectedEquipment && !vehicleFields)
  
          // Shows or hides the fields depending on the selections
          if (selectedEquipment){
            $('.equipment-related-only').show();
          }
  