In your published HTML page
<script language="javascript">
if (AC_FL_RunContent == 0) {
alert("This page requires AC_RunActiveContent.js.");
} else {
AC_FL_RunContent(
'codebase', 'http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=8,0,0,0',
'width', '100%',
'height', '100%',
'src', 'PROJECT_SOURCE',
'quality', 'high',
'pluginspage', 'http://www.macromedia.com/go/getflashplayer',
'align', 'middle',
'play', 'true',
'loop', 'true',
'scale', 'showall',
'wmode', 'transparent',
'devicefont', 'false',
'id', 'PROJECT_ID',
'bgcolor', '#006699',
'name', 'PROJECT_NAME',
'menu', 'true',
'allowFullScreen', 'false',
'allowScriptAccess','sameDomain',
'movie', 'PROJECT_MOVIE',
'salign', '',
'flashVars', ''
); //end AC code
}
</script>
Make the "wmode" property as 'transparent'.
If your HTML page contain tag content change the "wmode" property as 'transparent' in tag.
NOTE: Make sure that your swf page didn't contain any backgrounds.