function search() {
	var url = location.href;

	var keyword   = encodeURI(document.searchForm.keyword.value);
	var base      = "";
	if(url.indexOf("/kw/") != -1) {
		base = url.match( /http:\/\/(.*).bokenya.jp\/(.*)\/kw\/.*/ )[2];
	} else {
		base = url.match( /http:\/\/(.*).bokenya.jp\/(.*)\/.*/ )[2];
	}
	var page_type = "details";
	var sort      = "update";
	var page      = "1";

	var searchUrl = "http://search.bokenya.jp/" + base + "/kw/" + keyword + "/" + page_type + "/" + sort + "/result" + page + ".html";

	location.href = searchUrl;
}