js 调用flex 步骤

js 调用flex 方法
js----------------------------------------------------
<script language="JavaScript">
function thisMovie(movieName) {
         if (navigator.appName.indexOf("Microsoft") != -1) {
             return window[movieName];
         } else {
             return document[movieName];
       }
}

function javaScript(){
	thisMovie("Dome1").javaScript("123");
}
</script>
</head>

<body>
<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"
             id="Dome1" width="100%" height="500"
             codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab">
         <param name="movie" value="Dome2.swf" />
         <param name="quality" value="high" />
         <param name="bgcolor" value="#869ca7" />
         <param name="menu" value="false" />
         <param name="allowScriptAccess" value="sameDomain" />
         <embed src="Dome2.swf" quality="high" bgcolor="#869ca7"
             width="100%" height="100%" name="Dome1" align="middle"
             play="true" loop="false" quality="high" allowScriptAccess="sameDomain"
             type="application/x-shockwave-flash"
             pluginspage="http://www.macromedia.com/go/getflashplayer">
         </embed>
     </object>	



flex-----------------------------

flex 初始化的时候要调用flex 方法

               public function init():void{
				if(ExternalInterface.available){
					ExternalInterface.addCallback("javaScript",loadUserMessage);
				}
				
			}
			
			
			public function loadUserMessage(value:String):String{
				Alert.show("js调用了我"+value,"js调用测试");
				return value;
			}