function newsLink() {
	$$('#container .block').each(function(node,index) {
		node.index = index;
		node.detailLinkNode = node.getElementsByClassName('detail')[0];
		node.detailLinkImage = node.detailLinkNode.getElementsByTagName('img')[0];
		node.detailLinkNormal = node.detailLinkImage.src;
		node.detailLinkActive = node.detailLinkNormal.replace(/(\.gif|\.jpg|\.png)/,'_on'+"$1");
		preloadImage(node.detailLinkActive);
		node.href = node.detailLinkNode.firstChild.href;
		
		//mouseover
		node.onmouseover = function() {
			node.addClassName('on');
			node.detailLinkImage.src = node.detailLinkActive;
		}
		//mouseout
		node.onmouseout = function() {
			node.removeClassName('on');
			node.detailLinkImage.src = node.detailLinkNormal;
		}
		//click
		node.onclick = function() {
			location.href = node.href;
		}
	});
}


function addBlockNewMark() {
	$$('#news-contents .block h3').each(function(node) {
		addNewMark(node);
	});
}

//画像プリロード
preloadImages = [];
function preloadImage(path) {
	var pre = preloadImages;
	var len = pre.length;
	pre[len] = new Image();
	pre[len].src = path;
}

Event.observe(window,'load',newsLink,false);
Event.observe(window,'load',addBlockNewMark,false);