[WRC_S]

Делал так:
кнопка -

package main{
	import flash.events.MouseEvent;
	import flash.display.StageDisplayState;
	public class ButtonFullScrin extends ButtonIMG {
		function ButtonFullScrin() {
			addEventListener(MouseEvent.CLICK, clickFun);
		}
		function clickFun(e:MouseEvent) {
 
			if (stage.displayState == StageDisplayState.NORMAL) {
				stage.displayState = StageDisplayState.FULL_SCREEN;
				gotoAndStop(2);
			} else {
				stage.displayState = StageDisplayState.NORMAL;
				gotoAndStop(1);
			}
		}
	}
}

в html

<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=9,0,0,0',
			'width', '824',
			'height', '705',
			'src', '9-ka',
			'quality', 'high',
			'pluginspage', 'http://www.macromedia.com/go/getflashplayer',
			'align', 'middle',
			'play', 'true',
			'loop', 'true',
			'scale', 'showall',
			'wmode', 'window',
			'devicefont', 'false',
			'id', '9-ka',
			'bgcolor', '#00aa00',
			'name', '9-ka',
			'menu', 'true',
			'allowFullScreen', 'true',
			'allowScriptAccess','sameDomain',
			'movie', '9-ka',
			'salign', ''
			); //end AC code
	}
</script>
<noscript>
	<object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=9,0,0,0" width="824" height="705" id="9-ka" align="middle">
	<param name="allowScriptAccess" value="sameDomain" />
	<param name="allowFullScreen" value="true" />
	<param name="movie" value="9-ka.swf" /><param name="quality" value="high" /><param name="bgcolor" value="#00aa00" />	<embed src="9-ka.swf" quality="high" bgcolor="#00aa00" width="824" height="705" name="9-ka" align="middle" allowScriptAccess="sameDomain" allowFullScreen="true" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer" />
	</object>
</noscript>