var opt0 = ["一级分类|0", "二级分类|0", "三级分类|0"];
var dsy = new Dsy();
dsy.add("0", ["出国留学|9"]);
dsy.add("0_0", ["直接出国|202","出国游学|204"]);
dsy.add("0_0_0", ["美国|259","加拿大|260","澳大利亚|261","英国|263","法国|264","德国|265","意大利|272","日本|273","韩国|274","新加坡|275"]);
dsy.add("0_0_1", ["新西兰|298"]);