//	クリックで展開と折りたたみが出来るソース：Javascript版
//	初期設定用（詳細情報にdisplayプロパティを与える）
function setUp(){
	var moreInfoElmnts = getByClass(document,"moreInfo","div");
	for (i = 0;i<moreInfoElmnts.length;i++){
		moreInfoElmnts[i].style.display = "none";
	}
}

//	詳細情報の開閉
function moreInfoOpen(obj){
	var moreInfoElmnts = getByClass(obj.parentNode,"moreInfo","div");
	if(moreInfoElmnts[0].style.display == "none"){
		moreInfoElmnts[0].style.display = "block";
	}else{
		moreInfoElmnts[0].style.display = "none";
	}
}

//	class名から要素を取得
function getByClass(parentElmnts,className,tagName){
	var cElmnts = new Array();
	var elmnts = parentElmnts.getElementsByTagName(tagName);
	for (i = 0; i < elmnts.length; i++){
		if (elmnts[i].className == className){
			cElmnts.push(elmnts[i]);
		}
	}
	return cElmnts;
}