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	var regexp = new RegExp('http(s)?://.*?(/.*?.html).*?');
	location.href.match(regexp)

	var nowLink = RegExp.$2;
	var nowPosition = -1;
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			nowPosition = i;
			break;
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	if( nowPosition == -1 ){
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	var backLinkSpan = document.getElementById('system_bklist_backlink');
	backLinkSpan.innerHTML = (nowPosition < linkList.length - 1) ? '<a href="'+linkList[nowPosition+1]+'">前の記事</a>' : '前の記事';
	var nextLinkSpan = document.getElementById('system_bklist_nextlink');
	nextLinkSpan.innerHTML = (0 < nowPosition) ? '<a href="'+linkList[nowPosition-1]+'">次の記事</a>' : '次の記事' ;
});