// Replaces images in my gallery

function prepareGallery () {
	if (!document.getElementsByTagName) return false;
	if (!document.getElementById) return false;
	if (!document.getElementById("imagegallery")) {
		return false;
	}
	var gallery = document.getElementById("imagegallery");
	var links = gallery.getElementsByTagName("a");
	for (var i = 0; i < links.length; i++) {
		links[i].onclick = function() {
			showPic(this);
			return false;
		}
	}
}

function showPic(whichpic) {
//	console.debug("this:"+whichpic+":");
//	to do: improve this error trap so it only applies to the first element
	if(whichpic==undefined) return true;
	var source = whichpic.getAttribute("href");
	var placeholder = document.getElementById("placeholder");
	placeholder.setAttribute("src",source);
	var text = whichpic.getAttribute("title");
	var description = document.getElementById("description");
	description.firstChild.nodeValue = text;
}

addLoadEvent(prepareGallery);
addLoadEvent(showPic);