function getElem(name) {
    if (document.layers) 
	return document.layers[name];
    else if (document.all)
	return document.all[name];
    else if (document.getElementById)
	return document.getElementById(name);
}

function showPic(whichpic) {
    var imageId = 'stub';
    var image = getElem(imageId);
    var anchor = getElem('stubAnchor');
    var text =  whichpic.href;
    image.src = whichpic.href;
    anchor.href = text.replace(/medium/g, "large");
    //if (whichpic.title) {
    //getElem('stubCaption').innerHTML = whichpic.title;
    //getElem('stubCaption').className = "";
    //} else {
    //getElem('stubCaption').className = "hidden";
    //}
    image = getElem(imageId);
    image.onload = function(elem) {
      fadeIn(imageId,0,20);
    };
    setOpacity(image, 100);
    return false;
}

function setOpacity(obj, opacity) {
    opacity = (opacity >= 100)?99.999:opacity;
    // IE/Win
    obj.style.filter = "alpha(opacity:"+opacity+")";
    // Safari<1.2, Konqueror
    obj.style.KHTMLOpacity = opacity/100;
    // Older Mozilla and Firefox
    obj.style.MozOpacity = opacity/100;
    // Safari 1.2, newer Firefox and Mozilla, CSS3
    obj.style.opacity = opacity/100;
}

function fadeIn(objId,opacity,step) {
    obj = getElem(objId);
    if (opacity <= 100) {
	setOpacity(obj, opacity);
	opacity += step;
	window.setTimeout("fadeIn('"+objId+"',"+opacity+","+step+")", 20);
    }
}

function toggleDisplay(link, id, offtext, ontext) {
    while(link.firstChild) {
	link.removeChild(link.firstChild);
    };
    var div = getElem(id);
    if(div.style.display == 'none') {
	div.style.display = 'block';
	link.appendChild(document.createTextNode(ontext));
	//setOpacity(div, 0);
	//fadeIn(id,0,20);
    } else {
	div.style.display = 'none';
	link.appendChild(document.createTextNode(offtext));
    }
    return false;
}