function socialbm(sbm) {
  sburl=encodeURIComponent(location.href);
  sbtitle=encodeURIComponent(document.title);
  switch(sbm) {
    case 'delicious':
        window.open('http://del.icio.us/post?url='+sburl+'&title='+sbtitle);
        break;
	case 'google':
		window.open('http://www.google.com/bookmarks/mark?op=add&hl=de&bkmk='+sburl+'&title='+sbtitle);
		break;
	case 'yahoo':
		window.open('http://myweb2.search.yahoo.com/myresults/bookmarklet?u='+sburl+'&t='+sbtitle);
		break;
    case 'yigg':
        window.open('http://yigg.de/neu?exturl='+sburl+'&exttitle='+sbtitle);
        break;
    case 'wong':
        window.open('http://www.mister-wong.de/index.php?action=addurl&bm_url='+sburl+'&bm_description='+sbtitle);
        break;
    case 'linkarena':   
        window.open('http://linkarena.com/bookmarks/addlink/?url='+sburl+'&title='+sbtitle+'&desc=&tags=');
        break;
  }
}