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(parentElmnt,className,tagName){
	var cElmnts=new Array();
	var elmnts=parentElmnt.getElementsByTagName(tagName);
	for(i=0;i<elmnts.length;i++){
	if(elmnts[i].className==className){
	cElmnts.push(elmnts[i]);
	}
}
	return cElmnts;
}