function carroussel(ids, nbimage,fadein_speed, fadeout_speed, pause, timetostart)
{
	if( nbimage > 2 )
	{
		for( i = 2; i <= nbimage; i++)
			$(ids+i).hide();
			
		setTimeout(	function() { swap(1, 2, ids, nbimage, fadein_speed, fadeout_speed, pause); }, timetostart );
	}
}

function swap(i , j, ids, nbimage, fadein_speed, fadeout_speed, pause)
{
	if( j == nbimage+1 )
		j = 1;
		
	$(ids+i).fade({ duration: fadeout_speed});
	$(ids+j).appear({ duration: fadein_speed });
	
	setTimeout( function() { swap(j, j+1, ids, nbimage, fadein_speed, fadeout_speed, pause); }, pause );
}