var subval4 = new Array();
//数组结构：一级根值,二级根值,二级显示值


subval4[0] = new Array('12','1','琵琶')


subval4[1] = new Array('12','2','古筝')


subval4[2] = new Array('12','3','扬琴')


subval4[3] = new Array('12','4','七弦琴')


subval4[4] = new Array('12','5','二胡')


subval4[5] = new Array('12','6','阮')


subval4[6] = new Array('12','7','竹笛')


subval4[7] = new Array('12','8','唢呐')


subval4[8] = new Array('16','9','立式钢琴')


subval4[9] = new Array('16','10','三角钢琴')


subval4[10] = new Array('17','11','机械键盘')


subval4[11] = new Array('17','12','薄膜键盘')


subval4[12] = new Array('17','13','触控键盘')


subval4[13] = new Array('17','14','静电容键盘')


subval4[14] = new Array('18','15','小提琴')


subval4[15] = new Array('18','16','中提琴')


subval4[16] = new Array('18','17','大提琴')


subval4[17] = new Array('18','18','低音提琴')


subval4[18] = new Array('19','19','长笛')


subval4[19] = new Array('19','20','短笛')


subval4[20] = new Array('19','21','单簧管')


subval4[21] = new Array('19','22','双簧管')


subval4[22] = new Array('19','23','萨克斯')


subval4[23] = new Array('19','24','小号')


subval4[24] = new Array('19','25','中音号')


subval4[25] = new Array('19','26','长号')


subval4[26] = new Array('19','27','圆号')


subval4[27] = new Array('19','28','大号')


subval4[28] = new Array('20','29','古典吉他')


subval4[29] = new Array('20','30','电吉他')


subval4[30] = new Array('20','31','民谣吉他')


subval4[31] = new Array('20','32','弗拉门戈吉他')


subval4[32] = new Array('20','33','指弹吉他')


subval4[33] = new Array('20','34','夏威夷吉他')


subval4[34] = new Array('20','35','尤克里里')


subval4[35] = new Array('21','36','架子鼓')


subval4[36] = new Array('21','37','定音鼓')


subval4[37] = new Array('21','38','马林巴')


subval4[38] = new Array('21','39','小军鼓')


subval4[39] = new Array('21','40','大军鼓')


subval4[40] = new Array('21','41','钢架山锣')


subval4[41] = new Array('21','42','非洲鼓')


subval4[42] = new Array('21','43','牛铃')


subval4[43] = new Array('21','44','三角铁')


subval4[44] = new Array('21','45','木鱼')


subval4[45] = new Array('22','46','手风琴')


subval4[46] = new Array('22','47','其他乐器')


subval4[47] = new Array('22','48','其他乐器')


subval4[48] = new Array('22','49','其他乐器')


subval4[49] = new Array('22','50','其他乐器')


subval4[50] = new Array('22','51','其他乐器')


subval4[51] = new Array('22','52','其他乐器')


subval4[52] = new Array('22','53','其他乐器')


subval4[53] = new Array('22','54','其他乐器')


subval4[54] = new Array('22','55','其他乐器')


subval4[55] = new Array('22','56','其他乐器')


subval4[56] = new Array('22','57','其他乐器')


subval4[57] = new Array('22','58','其他乐器')



function changecat(locatiosid)
{
    document.thisform.yqsort_id.length = 0;
    document.thisform.yqsort_id.options[0] = new Option('选择小类','');
    for (i=0; i<subval4.length; i++)
    {
        if (subval4[i][0] == locatiosid)
        {document.thisform.yqsort_id.options[document.thisform.yqsort_id.length] = new Option(subval4[i][2],subval4[i][1]);}
    }
}