function openSub(id){
	var togle = document.getElementById("sub_"+id);
	if(togle.style.display === "block"){
		togle.style.display = "none";
		document.getElementById("togle_"+id).className = "togle";
	} else {
		togle.style.display = "block";
		document.getElementById("togle_"+id).className = "togled";
	}
}