var groups = document.getElementById("tid").options.length;
var group = new Array(groups);
for (i = 0; i < groups; i ++)
{
    group[i] = new Array();
}
group[0][0] = new Option("不限","");

group[1][0] = new Option("不限","");
group[1][1] = new Option("女装时装浅口单鞋","时装浅口单鞋");
group[1][2] = new Option("女装休闲浅口单鞋","休闲浅口单鞋");
group[1][3] = new Option("女装时装深口单鞋","时装深口单鞋");
group[1][4] = new Option("女装休闲深口单鞋","休闲深口单鞋");
group[1][5] = new Option("女装拉线鞋","拉线");
group[1][6] = new Option("女装鱼嘴鞋","鱼嘴");
group[1][7] = new Option("女装中后空鞋","中后空");
group[1][8] = new Option("女装时装凉鞋","时装凉鞋");
group[1][9] = new Option("女装休闲凉鞋","休闲凉鞋");
group[1][10] = new Option("女装时装拖鞋","时装拖鞋");
group[1][11] = new Option("女装休闲拖鞋","休闲拖鞋");
group[1][12] = new Option("女装时装靴","时装靴");
group[1][13] = new Option("女装休闲靴","休闲靴");
group[1][14] = new Option("女装休闲运动鞋","休闲运动");

group[2][0] = new Option("不限","");
group[2][1] = new Option("男装时装皮鞋","时装");
group[2][2] = new Option("男装商务休闲鞋","商务休闲");
group[2][3] = new Option("男装打孔鞋","打孔");
group[2][4] = new Option("男装凉拖鞋","凉拖");
group[2][5] = new Option("男装靴","靴");
group[2][6] = new Option("男装休闲运动鞋","休闲运动");

group[3][0] = new Option("不限","");
group[3][1] = new Option("童装男单鞋","男单鞋");
group[3][2] = new Option("童装女单鞋","女单鞋");
group[3][3] = new Option("童装男凉鞋","男凉鞋");
group[3][4] = new Option("童装女凉鞋","女凉鞋");
group[3][5] = new Option("童装男靴","男靴");
group[3][6] = new Option("童装女靴","女靴");
group[3][7] = new Option("童装运动鞋","运动");


var temp = document.getElementById("cid");

function Redirect(x)
{
    for (var m = temp.options.length-1; m > 0; m --)
    {
        temp.options[m] = null;
    }
    for (var i = 0; i < group[x].length; i ++)
    {
        temp.options[i] = new Option(group[x][i].text,group[x][i].value);
    }
    temp.options[0].selected = true;
}