function toggle (nr) {
	if (document.layers) {
		var current = (document.layers[nr].display == 'none') ? 'block' : 'none';
		document.layers[nr].display = current;

	} else if (document.all) {
		var current = (document.all[nr].style.display == 'none') ? 'block' : 'none';
		document.all[nr].style.display = current;

	} else if (document.getElementById) {
		var current = (document.getElementById(nr).style.display == 'none') ? 'block' : 'none';
		document.getElementById(nr).style.display = current;
	}
}

function sharelink (direction) {
	document.write("Share <span class=\"grey\">(with friends)</span><br>");
	document.write("<a href=\"mailto:?subject=" + encodeURIComponent(document.title) + "&body=" + encodeURIComponent(document.title) + "%0A" + encodeURIComponent(document.URL) + "\" title=\"E-mail\"><img src=\"/images/share-email.gif\"></a> ");
	document.write("<a target=\"_blank\" href=\"http://www.facebook.com/sharer.php?u=" + encodeURIComponent(document.URL) + "&amp;t=" + encodeURIComponent(document.title) + "\" title=\"Facebook\"><img src=\"/images/share-facebook.gif\"></a> ");
	document.write("<a target=\"_blank\" href=\"http://twitter.com/home?status=" + encodeURIComponent(document.title) + " " + encodeURIComponent(document.URL) + "\" title=\"Twitter\"><img src=\"/images/share-twitter.gif\"></a> ");
}