code: function(oColumn) {
      // Store scroll pos
      var hdPos = this._elHdContainer.scrollLeft;
      var bdPos = this._elBdContainer.scrollLeft;
      
      // Call superclass method
      oColumn = SDT.superclass.removeColumn.call(this, oColumn);
      
      // Restore scroll pos
      this._elHdContainer.scrollLeft = hdPos;
      this._elBdContainer.scrollLeft = bdPos;
      
      return oColumn;
  }
docs: Removes given Column. NOTE: You cannot remove nested Columns. You can only remove
  non-nested Columns, and top-level parent Columns (which will remove all
  children Columns).
  
  @method removeColumn
  @param oColumn {YAHOO.widget.Column} Column instance.
  @return oColumn {YAHOO.widget.Column} Removed Column instance.