//----------------------------------------------------------------------------------------
// Varibles globales & inicialización ...
//----------------------------------------------------------------------------------------

var inicializado = 0;
var divs = new Array();

function inicializar()
{
	if(navigator.appName == "Netscape") {
		divs[0] = document.getElementById("DescBienvenida").style;
		divs[1] = document.getElementById("DescCategorias").style;
		divs[2] = document.getElementById("DescLibros").style;
		divs[3] = document.getElementById("DescRecomendados").style;
		divs[4] = document.getElementById("DescKiosko").style;
		divs[5] = document.getElementById("DescDLib").style;
		divs[6] = document.getElementById("DescEbsco").style;
		divs[7] = document.getElementById("DescLaLey").style;
		divs[8] = document.getElementById("DescTgame").style;
		divs[9] = document.getElementById("DescTgameL3").style;
	} else {
		divs[0] = document.all.DescBienvenida.style;
		divs[1] = document.all.DescCategorias.style;
		divs[2] = document.all.DescLibros.style;
		divs[3] = document.all.DescRecomendados.style;
		divs[4] = document.all.DescKiosko.style;
		divs[5] = document.all.DescDLib.style;
		divs[6] = document.all.DescEbsco.style;
		divs[7] = document.all.DescLaLey.style;
		divs[8] = document.all.DescTgame.style;
		divs[9] = document.all.DescTgameL3.style;
	}

	inicializado = 1;
}

//----------------------------------------------------------------------------------------
// Funciones de Leo para cambiar el relieve en onMouseOver y onMouseOut ...
//----------------------------------------------------------------------------------------

function Sobre(item)
{
	item.style.border="1 inset #ffffff";
}

function yanoSobre(item)
{
	item.style.border="0 inset #ffffff";
}

//----------------------------------------------------------------------------------------
// Funciones para mostar / esconder layers
//----------------------------------------------------------------------------------------

function mostrarLayer(numLayer)
{
	if (inicializado) {
		divs[0].visibility = 'hidden';
		divs[numLayer].visibility = 'visible';
	}
}

function esconderLayer(numLayer)
{
	if (inicializado) {
		divs[numLayer].visibility = 'hidden';
		divs[0].visibility = 'visible';
	}
}