s1.addvariable("autostart","false");
s1.addparam("allowfullscreen","true");//是否允许全屏播放
s1.addparam("allowautostart","true");//是否允许全屏播放
s1.addvariable("image","flvplayer/preview_bf.jpg");//背景图片
s1.addvariable("displayheight","330");//播放区域高度
s1.addvariable("backcolor","0x000000");
s1.addvariable("frontcolor","0xcccccc");
s1.addvariable("lightcolor","0x557722");
s1.addvariable("enablejs","true");//是否允许javascript脚本控制flash
s1.addvariable("javascriptid","javascript_id");//控制脚本javascriptid
s1.write("myplayer");//将播放器写入到myplayer