You mean something like this (?):
<html>
<!------------------------------------------------------------------------->
<!-- Briefing file for Operation Flashpoint -->
<!-- Generated by Chris' OFP Script Editor -->
<!-- Create Briefing Wizard -->
<!------------------------------------------------------------------------->
<body>
<!------------------------------------------------>
<!-- Notes Section (in handwriting) -->
<!------------------------------------------------>
<h2><a name="Main"></a></h2><h6>
Im dreading this operation after what i saw in the HQ of Malden but this is why i got trained...
</h6><hr>
<!------------------------------------------------>
<!-- Plan Section -->
<!------------------------------------------------>
<p><a name="Plan"></a>
<!-- Mission Plan -->
You will start <a href="marker:start">here</a> in your blackhawk you will need to parachute out of it just a few hundred metres from your main objsctive the <a href="marker:1">town</a> clear it from russian troops and armour then get in touch with us.
<br><br>
<a href="#Forces">Forces</a></p>
<hr>
<!-- Objective 1 -->
<p><a name="OBJ_1">Parachute from your blackhawk</a></p>
<hr>
<!-- Objective 2 -->
<p><a name="OBJ_2">Clear the <a href="marker:1">town</a> of enemy troops and armour</a></p>
<hr>
<!------------------------------------------------>
<!-- Debriefing Section -->
<!------------------------------------------------>
<!-- End #1 -->
<h2><br><a name="Debriefing:End1">Quick re-take</a></h2><br>
<p>Congrats soldier you pulled through a very difficult operation no doubt thanks to you keep up your geat work in field</p>
<hr>
<!------------------------------------------------>
<!--Additional Pages Section -->
<!------------------------------------------------>
<h3><a name="Forces">Forces</a></h3><br>
<p>The forces are big they have tanks and men...</p>
<hr>
</body>
</html>
Hope you get it.
Oh, and make sure you name the file briefing.html and not briefing.sqs (like you did in your zip file).