window.onload = function() {
	var anchors = document.getElementsByTagName("dt");
	for (var i=0; i < anchors.length; i++){
		var anchor = anchors[i];
		anchor.onclick = function () {
			if(this.nextSibling.childNodes[0].style.display=='none'){
				this.nextSibling.childNodes[0].style.display='block';
			}else{
				this.nextSibling.childNodes[0].style.display='none';
			}
		}
	}
	var obj=document.getElementsByTagName('dd');
	for (var i = 1; i < obj.length; i++){
		obj[i].childNodes[0].style.display='none';
	}
}

function news_all_open(){
	if(document.getElementById('tog').value=="▼ 全部表示する"){
		document.getElementById('tog').value="▲ 全部閉じる";
		var obj=document.getElementsByTagName('dd');
		for (var i = 0; i < obj.length; i++){
			obj[i].childNodes[0].style.display='block';
		}
	}else{
		document.getElementById('tog').value="▼ 全部表示する";
		var obj=document.getElementsByTagName('dd');
		for (var i = 0; i < obj.length; i++){
			obj[i].childNodes[0].style.display='none';
		}
	}
}