subcat[0] = new Array("徐汇区","01","001");subcat[1] = new Array("嘉定区","01","002");subcat[2] = new Array("黄浦区","01","003");subcat[3] = new Array("南昌市","02","004");subcat[4] = new Array("九江市","02","005");subcat[5] = new Array("上饶市","02","006");//重复才有效if (document.frm.subclass.options.length!=0) { for (i=0;i<=document.fr