Nel codice html del filmato (tag object ed embed) aggiungi l'attributo menu:

codice:
<object
	classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000"
	codebase="[...omissis...]"
	width="400" height="300" >
	<param name="allowScriptAccess" value="sameDomain" />
	<param name="movie" value="filmato.swf" />
	<param name="menu" value="false" />
	<param name="quality" value="high" />
	<param name="bgcolor" value="#dedede" />
	<embed
		src="filmato.swf"
		menu="false"
		quality="high"
		bgcolor="#dedede"
		width="400"
		height="300"
		align="middle"
		allowScriptAccess="sameDomain"
		type="application/x-shockwave-flash"
		pluginspage="http://www.macromedia.com/go/getflashplayer"
	/>
</object>