var aClass = new Array()
aClass["close"] = "open"
aClass["open"] = "close"
function fOnOff(obj){
	nChilds = obj.parentNode.childNodes.length
	for(i=1; i<nChilds; i++){
		obj.parentNode.childNodes[i].className = aClass[obj.parentNode.childNodes[i].className]
	}
	return false
}