To retain {HEAD ~ the functionality} of {TAIL ~ the website} in both the broadcast and unicast modes, the gateway computer creates a tag file which maps the location of various action points of the web page and identifies the type of action point at each location 
of
To retain { HEAD ~ the functionality } of { TAIL ~ the website } in both the broadcast and unicast modes , the gateway computer creates a tag file which maps the location of various action points of the web page and identifies the type of action point at each location
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH