function showDetail(tar) {
	if(tar.flg==undefined){
		tar.flg = true;
		tar.removeAttribute('target');
		var url = tar.href;
		tar.href='javascript:void(0)';
		tar.style.display = 'none';
		var close_a = document.createElement('a');
		var close_img = document.createElement('img');
		close_img.src = 'img/detaillink_close.gif';
		close_img.alt = '詳細を隠す';
		close_img.width = '114';
		close_img.height = '23';
		close_a.onclick= function(){hideDetail(close_a,tar);};
		close_a.href= 'javascript:void(0)';
		Element.addClassName(close_a,'detailLink');
		Element.addClassName(close_a,'detailLinkClose');
		close_a.appendChild(close_img);
		tar.parentNode.appendChild(close_a);
		var element = new Ajax.Request(url,{
			method: 'get',
			onSuccess: function(o){
				var oo = document.createElement('div');
				oo.innerHTML = o.responseText;
				var div_tableArea = oo.getElementsByTagName('div')[0];
				div_tableArea.style.background = '#fff';
				div_tableArea.style.position = 'relative';
				div_tableArea.style.padding = '0';
				div_tableArea.style.marginTop = '10px';
				var table = Element.hasClassName(div_tableArea, 'insimArea') ? div_tableArea.getElementsByTagName('table')[0] : null;
				var h4 = div_tableArea.getElementsByTagName('h4')[0] || null;
				var img = div_tableArea.getElementsByTagName('img')[0] || null;
				if(table!=null) table.style.width = '770px';
				if(h4!=null) { h4.style.fontSize = '14px'; h4.style.fontWeight = 'bold'; h4.style.paddingBottom = '10px'; }
				if(img!=null) img.style.marginLeft = '20px';
				tar.parentNode.appendChild(div_tableArea);
			}
		});
	}else{
		tar.style.display = 'none';
		tar.parentNode.getElementsByTagName('a')[1].style.display = 'block';
		tar.parentNode.getElementsByTagName('div')[0].style.display = 'block';
	}
}
function hideDetail(tar){
	tar.style.display = 'none';
	tar.parentNode.getElementsByTagName('a')[0].style.display = 'block';
	tar.parentNode.getElementsByTagName('div')[0].style.display = 'none';
}