var image_dir="/images";

function add_tool(icon, name, url) {
  document.write('<span class="socialAddButton" id="socialAddButton-' + icon + '"><a href="' + url + '" title="Add to ' + name +'"><img src="' + image_dir + '/' + icon + '.png" alt="Add to ' + name + '" align="center" border="0" target="_self" /></a></span> ');
}

function add_all() {
  var title = encodeURIComponent(document.title);
  var url = encodeURIComponent(document.URL);

// icon, name, url
    add_tool('delicious', 'del.icio.us', 'http://del.icio.us/post?url=' + url + '&amp;title=' + title);
    add_tool('digg', 'digg', 'http://digg.com/submit?phase=2&amp;url=' + url + '&amp;title=' + title);
    add_tool('google', 'google', 'http://www.google.com/bookmarks/mark?op=edit&output=popup&bkmk=' + url + '&amp;title=' + title);
    
}

add_all();