function ShowPlayer($file) {
        var s1 = new SWFObject("http://www.witze-4u.de/player/flvplayer.swf","single","425","355","7");
        s1.addParam("allowfullscreen","true");
        s1.addVariable("file","http://www.witze-4u.de/player/"+$file);
        s1.addVariable("image","preview.jpg");
        s1.addVariable("backcolor","0x000000");
        s1.addVariable("frontcolor","0xCCCCCC");
        s1.addVariable("lightcolor","0x557722");
        s1.addVariable("width","425");
        s1.addVariable("height","355");
        s1.write("player1");
}