function preloadImages()
{
    var preload = new Array();
    var i, a=preloadImages.arguments;
    for(i=0; i < a.length; i++)
    {
        preload [i]=new Image;
        preload [i++].src=a[i];
    }
}
function locateObject(name, d)
{
    var i,x;
    if(!d) d=document;

    x=d[name];
    for(i=0; !x && d.layers && i< d.layers.length; i++)
        x=locateObject(name, d.layers[i].document);
    return x;
}
function ImageSwap( Name, URL)
{
    var img;
    img = locateObject(Name);
    img.src = URL;
}


var imgIndx = 0;
if (document.images) {
    img = new Array();
    img[0] = "pictures/slideshow/groto_sm.jpg";
    img[1] = "pictures/slideshow/esStS14c.jpg";
    img[2] = "pictures/slideshow/eszC04ClnSzBt.jpg";
    image = new Array();
    for (var i=0; i <img.length; i++) {
        image[i] = new Image();
        image[i].src = img[i];
    }
}

function slideshow() {
    if (imgIndx == img.length) {
        imgIndx = 0;
    }
    if (document.images) {
        document.getElementById('pict').src = image[imgIndx].src;
    }
    imgIndx++;
    setTimeout('slideshow()',5000);
    return;
}