var opt0 = ["一级分类|0", "二级分类|0", "三级分类|0"];
var dsy = new Dsy();
dsy.add("0", ["外语语言|1","学位学历|4","网络课程|10"]);
dsy.add("0_0", ["四六级|24"]);
dsy.add("0_0_0", ["无子分类|0"]);
dsy.add("0_1", ["考研辅导|979"]);
dsy.add("0_1_0", ["管理学|980","考研数学|981","考研英语|1232","考研政治|1233"]);
dsy.add("0_2", ["远程考研|360"]);
dsy.add("0_2_0", ["无子分类|0"]);