// JavaScript Document
var galerias = new Array("fotonotic","mundografico");
var botonesGalOn = new Array("imagenes/fotonoticiason.gif","imagenes/mundograficoon.gif");
var botonesGalOff = new Array("imagenes/fotonoticiasoff.gif","imagenes/mundograficooff.gif");
var nombresImagGal = new Array("Image9","Image10");
var numGalAux;
var numGalAct=-1;

function cargaFotoGaleria(){
var tabActivGal=document.getElementById("galeract").value;
for( var i=0; i < galerias.length; i++ )
{
if (galerias[i] != "fotonotic") { document.getElementById(galerias[i]).style.visibility="hidden";
document.getElementById (galerias[i]).style.position="absolute";
}
else {document.getElementById(galerias[i]).style.position="relative";}
}

if(tabActivGal=='fotonotic'){imgGalOn('Image9',0);muestraGaleria('fotonotic','Image9',0)}
else if(tabActivGal=='mundografico'){imgGalOn('Image10',1);muestraGaleria('mundografico','Image10',1)}
else {imgGalOn('Image9',0);muestraGaleria('fotonotic','Image9',0)}
}

function imgGalOn(imgName,numOn) {
if ( (document.images) && (numOn != numGalAct) ) {
document[imgName].src = botonesGalOn[numOn];
}
}
function imgGalOff(imgName,numOff) {
if ( (document.images) && (numOff != numGalAct) ) {
document[imgName].src = botonesGalOff[numOff];
}
}
function muestraGaleria(solicitud,imgName,numGalAux){
numGalAct=numGalAux;
imgGalOn(imgName,numGalAux);
for( var nu=0; nu < galerias.length; nu++ )
{
if (nu != numGalAux){document.getElementById(nombresImagGal[nu]).src = botonesGalOff[nu];}
}
for( var j=0; j < galerias.length; j++ )
{
if (galerias[j] != solicitud){document.getElementById(galerias[j]).style.visibility="hidden";
document.getElementById(galerias[j]).style.position="absolute";
}
else { document.getElementById(galerias[j]).style.visibility="visible";
document.getElementById(galerias[j]).style.position="relative";
}
}
}