code: function(cls) {
          var me = this,
              result = me.callParent(arguments),
              classes = [me.baseCls + '-body-' + cls, me.baseCls + '-body-' + me.ui + '-' + cls],
              array, i;
  
          if (me.bodyCls) {
              array = me.bodyCls.split(' ');
  
              for (i = 0; i < classes.length; i++) {
                  if (!Ext.Array.contains(array, classes[i])) {
                      array.push(classes[i]);
                  }
              }
  
              me.bodyCls = array.join(' ');
          } else {
              me.bodyCls = classes.join(' ');
          }
  
          return result;
      }
docs: inherit docs