old_contents: Ext.namespace('Vps.FrontendForm');
  Vps.FrontendForm.Field = function(fieldEl) {
      Vps.FrontendForm.Field.superclass.constructor.call(this);
      this.el = fieldEl;
      this.el.enableDisplayMode();
      this.initField();
      this.addEvents('change');
  };
  Ext.extend(Vps.FrontendForm.Field, Ext.util.Observable, {
      initField: function() {
          var inp = this.el.child('input');
          if (inp) {
              inp.on('change', function() {
                  this.fireEvent('change', this.getValue());
              }, this);
          }
      },
      getFieldName: function() {
          var inp = this.el.child('input');
          if (!inp) return null;
          return inp.dom.name;
      },
      getValue: function() {
          var inp = this.el.child('input');
          if (!inp) return null;
          return inp.dom.value;
      },
      hide: function() {
          this.el.hide();
      },
      show: function() {
          this.el.show();
      }
  });
  
  Vps.FrontendForm.fields['vpsField'] = Vps.FrontendForm.Field;
  
new_contents: Ext.namespace('Vps.FrontendForm');
  Vps.FrontendForm.Field = function(fieldEl) {
      Vps.FrontendForm.Field.superclass.constructor.call(this);
      this.el = fieldEl;
      this.el.enableDisplayMode();
      this.initField();
      this.addEvents('change');
  };
  Ext.extend(Vps.FrontendForm.Field, Ext.util.Observable, {
      initField: function() {
          var inp = this.el.child('input');
          if (inp) {
              inp.on('change', function() {
                  this.fireEvent('change', this.getValue());
              }, this);
          }
      },
      getFieldName: function() {
          var inp = this.el.child('input');
          if (!inp) return null;
          return inp.dom.name;
      },
      getValue: function() {
          var inp = this.el.child('input');
          if (!inp) return null;
          return inp.dom.value;
      },
      hide: function() {
          this.el.hide();
      },
      show: function() {
          this.el.show();
      }
  });
  
  Vps.FrontendForm.fields = {};
  Vps.FrontendForm.fields['vpsField'] = Vps.FrontendForm.Field;
  
subject: initialize fields