function bookmark(service, bmurl, bmtitle) {
		
 var url = encodeURIComponent(bmurl);
 var title = encodeURIComponent(bmtitle);
 switch(service) {
 case 'delicious':
 window.open('http://del.icio.us/post?url='+url+'&title='+title);
 break;
 case 'mrwong':
 window.open('http://www.mister-wong.de/index.php?action=addurl&bm_url='+url+'&bm_description='+title);
 break;
 case 'linkarena':
 window.open('http://linkarena.com/bookmarks/addlink/?url='+url+'&title='+title+'&desc=&tags=');
 break;
 case 'webnews':
 window.open('http://www.webnews.de/einstellen?url='+url+'&title='+title);
 break;
 case 'yigg':
 window.open('http://yigg.de/neu?exturl='+url+'&exttitle='+title);
 break;
 case 'google':
 window.open('http://www.google.com/bookmarks/mark?op=add&hl=de&bkmk='+url+'&title='+title);
 break;
 }
}