var delm = ',';
var bookmark_services = bookmark_services.split(delm);
var service_url;
var alt_str;
var article_subject = encodeURI(subject);
var page_url = encodeURI(location.href);
var image_url = '';

//document.write('<div>');

for(var ser in bookmark_services){
	service_url = '';
	var img_url;
	switch(bookmark_services[ser]){
	case 'yahoo': 
		service_url = 'javascript:window.location=\'http://bookmarks.yahoo.co.jp/action/bookmark?t=' + encodeURI(article_subject) + '&amp;u=' + encodeURI(page_url) + '&amp;r=my&amp;fr=ybm_netallica\'';
		img_url = image_url + '/shashin-bu/img/common/bookmark/ybm16.gif';
		alt_str = 'このページをYahooブックマークに登録する';
		break;
	case 'livedoor': 
		service_url = 'http://clip.livedoor.com/clip/add?link=' + page_url;
		img_url = image_url + '/shashin-bu/img/common/bookmark/clip.gif';
		alt_str = 'このページをLivedoorクリップに登録する';
		break;
	case 'hatena': 
		service_url = 'http://b.hatena.ne.jp/append?' + page_url;
		img_url = image_url + '/shashin-bu/img/common/bookmark/hatena.gif';
		alt_str = 'このページをはてなブックマークに登録する';
		break;
	case 'google':
		service_url = 'http://www.google.com/bookmarks/mark?op=edit&amp;title=' + article_subject + '&amp;bkmk='+ page_url;
		img_url = image_url + '/shashin-bu/img/common/bookmark/google.gif';
		alt_str = 'このページをGoogleブックマークに登録する';
		break;
	case 'twitter':
		service_url = 'http://twitter.com/home/?status=' + article_subject + ' ' + page_url;
		img_url = image_url + '/shashin-bu/img/common/bookmark/twitter.png';
		alt_str = 'このページをtwitterでつぶやく';
		break;
	}
	if (service_url) {
		document.write('<a href="' +  service_url + '" target="_blank"><img src=' + img_url + ' alt="' + alt_str + '" title="' + alt_str + '" border="0" style="margin-left:1px" /></a>');
	}
}
//document.write('</div>');