function toggle(obj) {
	var object=document.getElementById(obj);
	if (object.className == "") {
		object.className = "on";
	} else {
		object.className = ""
	}
}

function toggleon(obj) {
	var object=document.getElementById(obj);
	object.className = "on";
}

function toggleoff(obj) {
	var object=document.getElementById(obj);
	object.className = "on";
}