function init() {
	var links = YAHOO.util.Dom.getElementsByClassName('imgThumb');
	YAHOO.util.Event.addListener(links,'click',showPic);
}
function showPic(e) {
	YAHOO.util.Event.stopEvent(e);
	YAHOO.util.Dom.get('description').firstChild.nodeValue = this.getAttribute('title');
	YAHOO.util.Dom.get('placeholder').setAttribute('src', this.getAttribute('href'));
}

YAHOO.util.Event.addListener(window,'load',init);