function openme(category) {
	var category;
	if (document.getElementById(category).style.display == "block") {
		document.getElementById(category).style.display = "none";
		document.getElementById(category + '-link').className = "open";
	} else {
		document.getElementById(category).style.display = "block";
		document.getElementById(category + '-link').className = "closed";
	}
}