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.substr(1,1) == 'U') {
				subscribeLink.firstChild.nodeValue = "[Subscribe]";
			} else {
				subscribeLink.firstChild.nodeValue = "[Unsubscribe]";
			}
		}
	});
}

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