function secBoard(elementID,listName,n) {
	var elem = document.getElementById(elementID);
	var elemlist = elem.getElementsByTagName("h5");
	for (var i=0; i<elemlist.length; i++) {
		elemlist[i].className = "normal";
		var m = i+1;
		document.getElementById(listName+"_"+m).className = "normal";	
	}
		elemlist[n-1].className = "current";
		document.getElementById(listName+"_"+n).className = "current";
}