General Actions:
The code consists of html tags which contains path to 1x1 pixel picture (IMG SRC) and click tracking URL, for click measurement.
<IMG SRC="http://ad.doubleclick.net/ddm/trackimp/N8893.140742ELLE.CZ/B8344373.112756156;dc_trk_aid=285859084;dc_trk_cid=60127039;ord=[timestamp]?" BORDER="0" HEIGHT="1" WIDTH="1" ALT="Advertisement">
http://ad.doubleclick.net/ddm/trackclk/N8893.140742ELLE.CZ/B8344373.112756156;dc_trk_aid=285859084;dc_trk_cid=60127039