function currentOff(){
	var ularr = document.getElementsByTagName('ul');
	var liarr;
	for(var i=0;i < ularr.length;i++){
		if(ularr[i].className == 'more'){
			liarr = ularr[i].getElementsByTagName('li');
		}
	}
	for(var i=0; i < liarr.length;i++){
		liarr[i].className = '';
	}
}
function toCurrent(n){
	currentOff();
	var pn = n.parentNode;
	pn.className = 'current';
	n.blur();
}