function mostra()
{

// Determinazione del tipo di browser
browser =navigator.appName;
browserNum = parseInt(navigator.appVersion);
//Variabili per la funzione di anim. delle finestre
N4 = false;
N6 = false;
IE = false;
a=0;
opacity=0;

endPos = -10;
newPos = -230;

if ((browser == "Netscape") && (browserNum <5))
{
	// Netscape 4.x
	layerRef = "document.layers['";
	endLayerRef = "']";
	styleRef = "";
	N4 = true;
}
else if ((browser == "Netscape") && (browserNum >=5))
{
	// Netscape 6
	layerRef = "document.getElementById('";
	endLayerRef = "')";
	styleRef = ".style";
	N6 = true;
}
else
{
	// Explorer
	layerRef = "document.all['";
	endLayerRef = "']";
	styleRef = ".style";
	IE = true;
}

	image01=new Image();
	image01.src="images/angolo.gif";
	image02=new Image();
	image02.src="images/neurosemantica.gif";
	image03=new Image();
	image03.src="images/neurosemanticas.gif";
	image04=new Image();
	image04.src="images/virgolette.gif";
	image05=new Image();
	image05.src="images/logo.gif";
	image06=new Image();
	image06.src="images/nsitalia.gif";
	image07=new Image();
	image07.src="images/logo_big.gif";
	
	muoviLayer('menu');
	
}

function muoviLayer(layerName)
{
	eval(layerRef + layerName + endLayerRef + styleRef + ".visibility = 'visible'");
	if (newPos < endPos)
	{
		newPos = newPos + 10;
		eval(layerRef + layerName + endLayerRef + styleRef + ".left= " + newPos);
		setTimeout("muoviLayer('" + layerName + "')", 2);
	}
}