var delm = ',';
var bookmark_services = bookmark_services.split(delm);
var service_url;
var alt_str;
var article_subject = encodeURI(article_subject);
var yAddress = "http//bookmarks.yahoo.co.jp/bookmarklet/showpopup?t=";

//document.write('');
  
  for(var ser in bookmark_services){
      service_url = '';
      var img_url;
    switch(bookmark_services[ser]){
      case 'twitter': 
	service_url = 'http://twitter.com/home/?status=' + article_subject + ' ' + article_page_url;
	img_url = '/img/bookmark/twitter_ico.gif';
	alt_str = 'Twitter';
	break;
//      case 'yahoo':
	//service_url = javascript:void window.open(yAddress + article_subject +'& u='+encodeURIComponent(article_page_url)+'& ei=UTF-8','_blank','width=550,height=480,left=100,top=50,scrollbars=1,resizable=1',0);
//img_url = '/img/bookmark/yahoo_ico.gif';
//alt_str = 'Yahoo!';
//	break;
      case 'livedoor': 
        service_url = 'http://clip.livedoor.com/clip/add?link=' + article_page_url;
	img_url = '/img/bookmark/livedoor_ico.gif';
	alt_str = 'Livedoor';
	break;
      case 'hatena': 
        service_url = 'http://b.hatena.ne.jp/append?' + article_page_url;
	img_url = '/img/bookmark/hatena_ico.gif';
	alt_str = 'hatena';
	break;
      case 'google':
	service_url = 'http://www.google.com/bookmarks/mark?op=add&bkmk='+article_page_url+'&title='+article_subject;
	img_url = '/img/bookmark/google_ico.gif';
	alt_str = 'Google';
	break;
  	}
	
    if (service_url) {
	document.write('<a href="' +  service_url + '" target="_blank"><img src=' + img_url + ' alt="' + alt_str + '" title="' + alt_str + '" border="0" hspace="1" align="absmiddle" /></a>');
    }
  }

//document.write('');