var ImgGal=new Array();
var linkGal=new Array();
var destGal=new Array();
var whichImgGal=0;
var linkGal=1;
var PieGal = new Array();
var Fotografo = new Array();

function keeptrackGal(){
    if (document.all)
    {
        document.getElementById("PieGal").innerText = PieGal[whichImgGal];
        document.getElementById("Fotografo").innerText = "FOTO: " + Fotografo[whichImgGal];
    }
    else
    {
        document.getElementById("PieGal").textContent = PieGal[whichImgGal];
        document.getElementById("Fotografo").textContent = "FOTO: " + Fotografo[whichImgGal];
    }
    
    if(document.all){
        document.getElementById("cantGal").innerText = (whichImgGal+1) + " de " + ImgGal.length;
    } else{
        document.getElementById('cantGal').textContent = (whichImgGal+1) + " de " + ImgGal.length;
    }
}

function backwardGal(){    
    if (whichImgGal>0)
        whichImgGal--;
    else
        whichImgGal = ImgGal.length -1;
    document.images.ImgGal.src=ImgGal[whichImgGal];
    keeptrackGal();
}

function forwardGal(){
    if (whichImgGal<ImgGal.length-1)
        whichImgGal++;	
    else
        whichImgGal = 0;
    document.images.ImgGal.src=ImgGal[whichImgGal];
    keeptrackGal();
}

function transportImgGal() {
if (destGal[whichImgGal]=='_blank')
    window.open(linkGal[whichImgGal]);
else
    window.location=linkGal[whichImgGal];
}