var id_cache = 0;



function change_masque(ide)

{

	ide = ide*1;



	for (i = 1; i <= 7; i++)

	{

		var object = document.getElementById('picto_'+i).style;

		

		if (i == ide ||  ide==id_cache)

		{

			object.opacity = (1);

		    object.MozOpacity = (1);

		    object.KhtmlOpacity = (1);

		    object.filter = "alpha(opacity=" + 100 + ")";



		}

		else

		{

		    object.opacity = (40 / 100);

		    object.MozOpacity = (40 / 100);

		    object.KhtmlOpacity = (40 / 100);

		    object.filter = "alpha(opacity=" + 40 + ")";

		}

	}

	

	if (ide == id_cache)

	{

		document.getElementById('offre_rub'+ide).style.display="none";

		document.getElementById('offre_rub0').style.display="block";

		id_cache = 0;

	}

	else

	{

		document.getElementById('offre_rub'+ide).style.display="block";

		document.getElementById('offre_rub'+id_cache).style.display="none";

		id_cache = ide;

	}

	

}