I use the example from FLV
<html><head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<title>FLV Flash Fullscreen Video Player</title>
<script type="text/javascript" src="swfobject.js"></script>
<script type="text/javascript">
var playervars = {};
playervars.playerpath = swfobject.getQueryParamValue("playerpath");
playervars.contentpath = swfobject.getQueryParamValue("contentpath");
playervars.video = 'rtmp://IP/livevideo/_definst_/Stream';
playervars.preview ='start.gif';// swfobject.getQueryParamValue("preview");
playervars.loop = swfobject.getQueryParamValue("loop");
playervars.skin = swfobject.getQueryParamValue("skin");
playervars.skincolor = swfobject.getQueryParamValue("skincolor");
playervars.skinscalemaximum = swfobject.getQueryParamValue("skinscalemaximum");
playervars.smoothing = swfobject.getQueryParamValue("smoothing");
playervars.volume = swfobject.getQueryParamValue("volume");
playervars.autoscale ='false';// swfobject.getQueryParamValue("autoscale");
playervars.autoplay = 'true';
// playervars.autoplay = swfobject.getQueryParamValue("autoplay");
playervars.videowidth = '720';
playervars.videoheight = '540';
// playervars.videowidth = swfobject.getQueryParamValue("videowidth");
//playervars.videoheight = swfobject.getQueryParamValue("videoheight");
playervars.captions = swfobject.getQueryParamValue("captions");
playervars.preroll = 'g_intro.flv';
// playervars.preroll = swfobject.getQueryParamValue("preroll");
playervars.ending = swfobject.getQueryParamValue("ending");
playervars.preloader = swfobject.getQueryParamValue("preloader");
playervars.buttonoverlay = swfobject.getQueryParamValue("buttonoverlay");
playervars.islive ='true';// swfobject.getQueryParamValue("islive");
playervars.debug = swfobject.getQueryParamValue("debug");
var params = { scale: "noscale", allowfullscreen: "true", salign: "tl", bgcolor: "#222222", base: "."};
var attributes = { align: "left" };
swfobject.embedSWF("flvplayer.swf", "videoCanvas", "720", "540", "9.0.28", "expressInstall.swf", playervars, params, attributes);
</script>
</head>
<body bgcolor="#505050" style="margin:0px">
<div id="videoCanvas">
<p>This <a href="http://www.video-flash.de/flv-flash-fullscreen-video-player/">Flash Video Player</a> requires the Adobe Flash Player.</p>
<p><a href="http://www.adobe.com/go/getflashplayer" target="_blank">
<img src="http://www.adobe.com/images/shared/download_buttons/get_flash_player.gif" alt="Get Adobe Flash player" /></a></p>
</div>
</body>
</html>
there is no netconnection