function showLayer (layerName, plusMinusImage) {
	if (document.getElementById(layerName).style.display=="block") {
		document.getElementById(layerName).style.display="none";
		document.getElementById(plusMinusImage).src="/wp-content/themes/thematic/library/images/plus.jpg";
	}else{
		document.getElementById(layerName).style.display="block";
		document.getElementById(plusMinusImage).src="/wp-content/themes/thematic/library/images/minus.jpg";
	}
}
function fbs_click() {u=location.href;t=document.title;window.open('http://www.facebook.com/sharer.php?u='+encodeURIComponent(u)+'&t='+encodeURIComponent(t),'sharer','toolbar=0,status=0,width=626,height=436');return false;}