Not all browsers display swf. What to convert it into or is it because of the connection method?

Question

HTML

<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,29,0" class="swf">
        <param name="movie" value="" />
        <param name="quality" value="high" />
        <param name="menu" value="false" />
        <embed src="swf/my_animation.swf"
        quality="high" menu="false"
        pluginspage="http://www.macromedia.com/go/getflashplayer"
        type="application/x-shockwave-flash" class="swf">
        </embed>
</object>