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