function getVideoId(num,vodList) {
var regx = /<VideoId>[A-Za-z0-9]+<\/VideoId>/g;
var array = null;
var i = 0;
while ((array = regx.exec(vodList)) != null) {
if (num == i) {
str = array[num].toString();
str = str.replace('<VideoId>', '');
str = str.replace('</VideoId>', '');
//alert(str);
return str;
}
i++;
}
return false;
}
var xml='<Vod><VideoId>249499</VideoId><duration>124608</duration><displayName>主音视频</displayName></Vod>';
//alert (xml);
var vodId=getVideoId(0,xml);
//alert (vodId);
