function conso()
	  {    	                                    
	  $user = JFactory::getUser();
	  $userid = $user->id;

	  $params = JComponentHelper::getParams('com_batenergie');
	  $kwhx_fioul = $params->get('kwhx_fioul', 1);
	  $kwhx_gas = $params->get('kwhx_gas', 1);
	  $kwhx_gasp = $params->get('kwhx_gasp', 1);
	  $kwhx_elec = $params->get('kwhx_elec', 1);
	  $kwhx_boisp = $params->get('kwhx_boisp', 1);
	  $kwhx_boisg = $params->get('kwhx_boisg', 1);
	  $kwhx_boisb = $params->get('kwhx_boisb', 1);
		                       
		$database =& JFactory::getDBO()  ;
	 	$database->setQuery( "SELECT SUM(dpe09_fioul * $kwhx_fioul)
						+ (dpe09_gas * $kwhx_gas)
						+ (dpe09_gasp * $kwhx_gasp)
						+ (dpe09_elec * $kwhx_elec)
						+ (dpe09_boisp * $kwhx_boisp)
						+ (dpe09_boisg * $kwhx_boisg)
						+ (dpe09_boisb * $kwhx_boisb)
					FROM #__batenergie 
					WHERE author='$userid' 
					AND id='$bat'
					" );
		if (!$database->query()) {
		    echo $database->stderr();
		    return false;
		}

	  return $database->loadResult();
	  }