var maxEpisode = "3";
document.write('<select style="width:130px;" id="selectEpisode" onChange="goPath();">');
document.write('<option value="3">往期回顾</option>');
document.write('<option value="1">第一期</option>');
document.write('<option value="2">第二期</option>');
document.write('<option value="3">第三期</option>');
document.write('</select>');
document.getElementById('selectEpisode').value = nowEpisode;

function goPath(obj)
{
	var GoPath = document.getElementById('selectEpisode').value;
	if (GoPath == maxEpisode) GoPath = "";
	window.location.href = '/' + GoPath;
}