Event.observe(document, 'dom:loaded', function(){
  $$('.blog_post').each(function(post){
    var remove_link = post.down('.remove-link');
    var edit_link   = post.down('.edit-link');
    blog_add_link_events(remove_link, edit_link, post);
  });
});

// now add the functions used for show/hide the remove link
function blog_add_link_events( remove, edit,post ) {
  Event.observe(post, 'mouseover', function(){ blog_show_remove( remove, edit); });
  Event.observe(post, 'mouseout', function(){ blog_hide_remove( remove, edit); });
}

function blog_show_remove(remove, edit) {
  remove.show();
  edit.show();
}
      
function blog_hide_remove(remove, edit) { 
  remove.hide();
  edit.hide();        
}