//メニュー、詳細目次の表示切替

function chipHelp(tagName,types){
		if (document.layers){
		document.layers[tagName].visibility = types;
		}
		else if (document.getElementById){
		document.getElementById(tagName).style.visibility = types;
		}
		else if(document.all){
		document.all(tagName).style.visibility = types;
		}
}