Script Summary: Cleanup the finance blog bigpicture.typepad.com: Get rid of sidebars containing ads and linklists.
Changed 2007: Now fits BP's new 3-column-layout (before there were only 2 columns).
Changed 2008: changed 1 line, seems to work better in FF3.5 on vista:
ns1.snapshotItem(i).style.display="none";
