var selSchedule="";

function clrSchedule(f) {
	var l="list_"+f;
	document.getElementById(f).className="select_off";
	document.getElementById(l).style.display="none";
}

function setSchedule(f) {
	var l="list_"+f;
	if(selSchedule != "") {
		clrSchedule(selSchedule);
	}
	document.getElementById(f).className="select_on";
	document.getElementById(l).style.display="";
	selSchedule=f;
}