function Subscribe(topicid) {
	ajax.get("userhistory.php?action=thread_subscribe&topicid=" + topicid + "&auth=" + authkey, function() {
		var subscribeLink = $("#subscribelink" + topicid).raw();
		if (subscribeLink) {
			if (subscribeLink.firstChild.nodeValue.charAt(0) == '[') {
				subscribeLink.firstChild.nodeValue = subscribeLink.firstChild.nodeValue.charAt(1) == 'U'
					? '[Subscribe]'
					: '[Unsubscribe]';
			}
			else {
				subscribeLink.firstChild.nodeValue = subscribeLink.firstChild.nodeValue.charAt(0) == 'U'
					? "Subscribe"
					: "Unsubscribe";
			}
		}
	});
}

function Collapse() {
	var collapseLink = $('#collapselink').raw();
	var hide = (collapseLink.innerHTML.substr(0,1) == 'H' ? 1 : 0);
	if ($('.row').results() > 0) {
		$('.row').gtoggle();
	}
	if (hide) {
		collapseLink.innerHTML = 'Show post bodies';
	} else {
		collapseLink.innerHTML = 'Hide post bodies';
	}
}