var doPostHack = function(_userId, _courseId, _from_index, _end_index){
var _url = "http://xx.hngwypx.gov.cn:80/play/AICCProgressNew.ashx";
// var _userId = "410725198604100079";
// var _courseId = 2712;
// var _sid = "S002";
var _movie_len = 1;
var doPostSid = function(index){
if(index > _end_index) {
alert("这可不对哦,又偷懒了,ll。");
return;
}
var _sid = _getSidStr(index);
var _start_time = new Date();
var _end_time = new Date();
_end_time.setTime(_start_time.getTime() + _movie_l