//Modify portfolio entries.
	if($subaction == 'modify')
	{
		echo 'Modify.';
	}
	
	//New portfolio entries.
	elseif($subaction == 'new')
	{
		echo 'New.';
	}
	
	//Delete portfolio entries.
	elseif($subaction == 'delete')
	{
		echo 'Delete.';
	}
	
	//Invalid action
	else
	{
		echo 'Invalid action.';
	}