// menuLayer1.0

// --------------------



// imposta variabili di controllo avvenuto caricamento

var menuLayer = 1;



// verifica avvenuto caricamento delle librerie necessarie

// -------------------------------------------------------

if (typeof(checkBrowser)=="undefined") alert("Attenzione!\n--------------\n La libreria \"menuLayer\" necessita della libreria \"checkBrowser\".");

if (typeof(checkBrowser)=="undefined") alert("Attenzione!\n--------------\n La libreria \"menuLayer\" necessita della libreria \"system\".");



// \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\

// Menù Layer (inizio Codice)

// \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\



var activeLayer = new String(); // ** Variabile Globale. Indica il layer attualmente visibile **

var tim; // ** variabile globale. Indica l'intervallo di tempo di apertura di un layer.

var page = new Object(); // ** variabile globale. Contiene le dimensioni della pagina

	page.X = 0; 

	page.Y = 0; 



// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

// | Visualizza il Layer nomeLayer

// | alle  coordinate  x  e y

// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

function showLayer(nomeLayer, x, y)

{

clearTimeout(tim)

if (activeLayer != "") // ** c'è gia un layer visibile **

		{

			hideLayer(activeLayer);

		};

activeLayer = nomeLayer; // ** memorizza il nome del layer visualizzato **

var temp = new String();

temp = clientBrowser();

if (temp=="netscape4.x")

	{

	// Browser netscape 4.x

		document.layers[nomeLayer].top=y;

		document.layers[nomeLayer].left=x;

		document.layers[nomeLayer].visibility="show";

	}

else

	{

	// Browser Explorer o Netscape 6.x o altro

		document.getElementById(nomeLayer).style.top = y;

		document.getElementById(nomeLayer).style.left = x;

		document.getElementById(nomeLayer).style.visibility="visible";

	}

};



// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

// | Nasconde il Layer nomeLayer

// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

function hideLayer(nomeLayer)

{

var temp = new String();

temp = clientBrowser();

if (temp=="netscape4.x")

	{

	// Browser netscape 4.x

		document.layers[nomeLayer].visibility="hide";

	}

else

	{

	// Browser Explorer o Netscape 6.x o altro

		document.getElementById(nomeLayer).style.visibility="hidden";

	};

};



// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-

// | Attende  un   determinato  intervallo  di  tempo

// | trascorso il quale nasconde il layer "nomeLayer"

// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-

function waitAndClear(nomeLayer)

{

	tim = setTimeout("hideLayer('"+nomeLayer+"')", 700);

};



// \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\

// Menù Layer (fine Codice)

// \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\