document.write('<a target="_top" href="http://ad.doubleclick.net/click;h=v2|30ef|0|0|%2a|w;7655795;0-0;0;3553323;1344-125|400;4830689|4848585|1;;%3fhttp://www.sfgate.com/cgi-bin/webad/step/category/"><img src="http://sfgate.com/place-ads/oas/4x4_125x400.gif" border=0 alt="Buy and online recruitment ad and get 4 days in The Chronicle for free."></a>');