function insertFlashMv(mv) {
if (!document.getElementById(mv)) return;
var str = '';
str += '<object type="application/x-shockwave-flash" data="live/vcastr3.swf" width="335" height="240" id="vcastr3">';
str += '<param name="movie" value="live/vcastr3.swf">';
str += '<param name="allowFullScreen" value="true">';
str += '<param name="FlashVars" value="xml=>';
str += '<vcastr>';
str += '<channel>';
str += '<item>';
str += '<source>http://www.cn-122.com/live/flv/test.flv</source>';
str += '<duration></duration>';
str += '<title></title>';
str += '</item>';
str += '</channel>';
str += '<config>';
str += '</config>';
str += '<plugIns>';
str += '</plugIns>';
str += '</vcastr>">';
str += '</object>';
document.getElementById(mv).innerHTML = str;
}