function socialbook(link){
switch(link){
case 'delicious':
    var url = 'http://del.icio.us/post?url=';
    var location = window.location.href;
    var title = document.title;
    window.location = url+location+'&title='+title;
break;
case 'digg':
    var url = 'http://digg.com/submit?phase=2&url=';
    var location = window.location.href;
    var title = document.title;
    window.location = url+location+'&title='+title;
break;
}
}