text: function showAdditionalFields(entity)
  {
  	BX(entity + '_a').className = (BX(entity + '_a').className == '' ? 'close' : '');
  	var bClose = false;
  	var rows = BX('tab_convert_' + entity + '_edit_table').lastChild.rows;
  	for(var i = 0; i < rows.length; i++)
  	{
  		if (bClose)
  			rows[i].style.display = (rows[i].style.display != 'none' ? 'none' : '');		
  		if (!bClose && rows[i].id == 'tr_' + entity + '_add_fields')
  		{
  			bClose = true;
  			rows[i].className = 'bx-add-fields-section' + (rows[i].className == 'bx-add-fields-section' ? '-close' : '');
  		}		
  	}	
  }