JavaScript Backend Grabber

I recently came across with a cool (err, depends on how you look at it) Javascript that grabs the backend stuff (external css, etc) off of any website:

javascript:var%20text=\'\';%20css=document.styleSheets;
%20for%20(c=0;c<css.length;c++)%20%20js=
document.getElementsByTagName(\'script\');
%20for%20(j=0;j<js.length;j++)%20with
%20(open(\'\',\'\',\'width=600,height=
400,scrollbars,resizable,status\').document)%20

Just copy and paste the above code as a bookmark, and then simply run the bookmark while you\'re at the page you want to \"grab\" from.

The reason I\'m posting here is because I wanted to ask whether or not GeekLog could be modified to block this particular javascript (and others of its like)?

[Editor\'s note: code should be all in one line - broken down into pieces so as to not break the site\'s layout -- Dirk]