how to play flash file in html

<object width="400" height="40"
classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000"
codebase="http://fpdownload.macromedia.com/
pub/shockwave/cabs/flash/swflash.cab#version=8,0,0,0">
<param name="SRC" value="sound.swf">
<embed src="sound.swf" width="400" height="40" >
</embed>
</object>