function setChildImage(href, url) {
	var children = href.childNodes;
	for (var i = 0; i < children.length; i++) {
		if (children[i].tagName == 'IMG') {
			children[i].src = url;
			break;
		} else {
			if (children[i].tagName == 'SPAN') {
				setChildImage(children[i], url);
				break;
			}
		}
	}
}