function changeLc(num){
	//一度すべて消す
	document.getElementById('n1').className = "";
	document.getElementById('n2').className = "";
	document.getElementById('n3').className = "";
	document.getElementById('n4').className = "";
	document.getElementById('n5').className = "";
	document.getElementById('lc1').style.display = "none";
	document.getElementById('lc2').style.display = "none";
	document.getElementById('lc3').style.display = "none";
	document.getElementById('lc4').style.display = "none";
	document.getElementById('lc5').style.display = "none";
	
	//選択されたやつを設定
	document.getElementById('n'  + num).className = 'selected';
	document.getElementById('lc' + num).style.display = "block";
}