function insertFlashMv(mv) {
if (!document.getElementById(mv)) return;
var str = '';
str += '<object type="application/x-shockwave-flash" data="/live/vcastr3.swf" width="240" height="180" id="vcastr3">';
str += '<param name="movie" value="/live/vcastr3.swf?xml=http://www.lfzxy120.com/live/vcastr.xml" />';
str += '<param name="allowFullScreen" value="true" />';
str += '</object>';
document.getElementById(mv).innerHTML = str;
}