function OAS_RICH(position) {
if (position == 'Top2') {
document.write ('<A HREF="http://oascentral.sfgate.com/RealMedia/ads/click_lx.ads/www.sfgate.com/ent/article/1613626438/Top2/default/empty.gif/525734543145754e694d77414465516e?x" target="_top"><IMG SRC="http://imagec15.247realmedia.com/RealMedia/ads/Creatives/default/empty.gif"  WIDTH=1 HEIGHT=1 ALT="" BORDER=0 BORDER="0"></A>');
}
if (position == 'Middle1') {
document.write ('<A HREF="http://oascentral.sfgate.com/RealMedia/ads/click_lx.ads/www.sfgate.com/ent/article/1624941370/Middle1/default/empty.gif/525734543145754e694d77414465516e?x" target="_top"><IMG SRC="http://imagec15.247realmedia.com/RealMedia/ads/Creatives/default/empty.gif"  WIDTH=1 HEIGHT=1 ALT="" BORDER=0 BORDER="0"></A>');
}
if (position == 'Position2') {
document.write ('<A HREF="http://oascentral.sfgate.com/RealMedia/ads/click_lx.ads/www.sfgate.com/ent/article/1758513392/Position2/default/empty.gif/525734543145754e694d77414465516e?x" target="_top"><IMG SRC="http://imagec15.247realmedia.com/RealMedia/ads/Creatives/default/empty.gif"  WIDTH=1 HEIGHT=1 ALT="" BORDER=0 BORDER="0"></A>');
}
if (position == 'x21') {
document.write ('<A HREF="http://oascentral.sfgate.com/RealMedia/ads/click_lx.ads/www.sfgate.com/ent/article/949741125/x21/default/empty.gif/525734543145754e694d77414465516e?x" target="_top"><IMG SRC="http://imagec15.247realmedia.com/RealMedia/ads/Creatives/default/empty.gif"  WIDTH=1 HEIGHT=1 ALT="" BORDER=0 BORDER="0"></A>');
}
}