function renderBackLinks() {
	var backLinks = YAHOO.util.Dom.getElementsByClassName('aBack', 'a');

	for (var i=0; i<backLinks.length; i++) {
		var spanBack = document.createElement('span');
		var imgBack  = document.createElement('img');

		spanBack.className = 'spanBackArrow';
		imgBack.className  = 'imgBackArrow';
		imgBack.setAttribute('src', '/_images/arrowBack.gif')
		imgBack.setAttribute('alt', '');

		spanBack.appendChild(imgBack);
		backLinks[i].appendChild(spanBack);
	}
}

YAHOO.util.Event.onDOMReady(renderBackLinks);