//anchorのmatchで要素のclass値を"active"にする
function active() {
                hereURL = document.location.href;
                for (var i=0; i<document.links.length; ++i) {
                        if (hereURL == document.links[i].href) {
                                document.links[i].className = 'active';
                        }
                }
	}