text: Ext.define('AM.store.Departments', {
      extend: 'Ext.data.Store',
      model: 'AM.model.Department',
      
      config: {
          autoLoad: true,
          model: 'AM.model.Department',
          storeId: 'Departments',
          proxy: {
              type: 'ajax',
              api: {
                  read: 'data/departments.json'
              },
              reader: {
                  type: 'json',
                  rootProperty: 'departments'
              }
          }
      }
  });