text: // Category.js
  // grab the mongoose module
  var mongoose = require('mongoose');
  var Schema   = mongoose.Schema;
  var ObjectId = Schema.ObjectId;
  
  // define our document model
  var Region = new Schema({
  	'img': String,
  	'href': String,
  	'title': String
  });
  
  Region.virtual('id')
  .get(function() {
  	return this._id.toHexString();
  });
  
  Region.pre('save', function(next) {
      // this.keywords = extractKeywords(this.data);
      console.log('region presave', this._ogv);
      next();
  });
  
  
  module.exports = mongoose.model('Region', Region);