var LowOpacity = 60;
var HighDensity = 100;

function NoteSelect(n) 
{
	
	try
	{
		for (var i=1; i <= 5; i++ )
		{
				SetOpacity(document.getElementById("Note").getElementsByTagName("img")[i - 1], LowOpacity);
        }

		if (n != null)
		{
			for (var j=1; j < n + 1; j++ )
				SetOpacity(document.getElementById("Note").getElementsByTagName("img")[j - 1], HighDensity);
		}
	}
	catch(ex)
	{
			alert("Erreur : \n\n" + ex);
	}
}


function SetOpacity(elmt, opacity)
{
	if(document.all)
	{
		elmt.style.filter = "alpha(opacity=" + opacity + ");"
	}
	else
	{
		elmt.style.setProperty("-moz-opacity", opacity/100, "");
		elmt.style.setProperty("-khtml-opacity", opacity/100, "");
		elmt.style.setProperty("opacity", opacity/100, "");
	}
}