var onecount;
onecount=0;
subcat = new Array();
subcat[0] = new Array("诺基亚","12","13");
subcat[1] = new Array("索尼","16","45");
subcat[2] = new Array("惠普","17","20");
subcat[3] = new Array("佳能","18","21");
subcat[4] = new Array("摩托罗拉","12","22");
subcat[5] = new Array("索爱","12","23");
subcat[6] = new Array("三星","12","24");
subcat[7] = new Array("多普达","12","25");
subcat[8] = new Array("飞利浦","12","26");
subcat[9] = new Array("夏新","12","27");
subcat[10] = new Array("联想","12","40");
subcat[11] = new Array("天语","12","29");
subcat[12] = new Array("松下","16","31");
subcat[13] = new Array("东芝","16","32");
subcat[14] = new Array("飞利浦","16","26");
subcat[15] = new Array("日立","16","34");
subcat[16] = new Array("创维","16","35");
subcat[17] = new Array("海信","16","36");
subcat[18] = new Array("夏新","16","37");
subcat[19] = new Array("康佳","16","38");
subcat[20] = new Array("长虹","16","39");
subcat[21] = new Array("联想","17","40");
subcat[22] = new Array("华硕","17","41");
subcat[23] = new Array("明基","17","42");
subcat[24] = new Array("宏基","17","43");
subcat[25] = new Array("三星","18","44");
subcat[26] = new Array("索尼","18","45");
subcat[27] = new Array("尼康","18","46");
subcat[28] = new Array("松下","18","31");
subcat[29] = new Array("富士","18","48");
subcat[30] = new Array("奥林巴斯","18","49");
subcat[31] = new Array("卡西欧","18","50");
subcat[32] = new Array("理光","18","51");
subcat[33] = new Array("联想","18","40");
subcat[34] = new Array("明基","18","53");
subcat[35] = new Array("爱国者","18","55");
subcat[36] = new Array("索尼","17","45");
onecount=37;

function changelocation(locationid)
    {
    document.myform.smallclass.length = 0; 

    var locationid=locationid;
    var i;
    document.myform.smallclass.options[0] = new Option('==所有品牌==','');
    for (i=0;i < onecount; i++)
        {
            if (subcat[i][1] == locationid)
            { 
   //alert(subcat[i][1]);
                document.myform.smallclass.options[document.myform.smallclass.length] = new Option(subcat[i][0], subcat[i][2]);
            }        }
//保存选择参数
        for (i=0;i<document.myform.city.length;i++){
  //alert(document.myform.smallclass[i].value);
  if (document.myform.city[i].value==document.myform.cityselect.value){
  document.myform.city[i].selected=true;
  }
  } 
    }    

document.write("<form name='myform' method='post' action='/Search.asp' style='margin:0;'>");
document.write("<table width='85%' border='0' cellspacing='0' cellpadding='0'>");
document.write("<tr>");
document.write("<td>");
document.write("<select name='bigclass' onChange='changelocation(document.myform.bigclass.options[document.myform.bigclass.selectedIndex].value)'>");
document.write("<option value='12'>手机品牌</option>");
document.write("<option value='16'>家电品牌</option>");
document.write("<option value='17'>电脑品牌</option>");
document.write("<option value='18'>数码品牌</option>");
document.write("</select>");
document.write("&nbsp;<select name='smallclass'>"); 
document.write("<option selected value=''>==所有品牌==</option>");
document.write("</select>");
document.write("&nbsp;<input type='text' class='InputBorder' name='city' value='输入城市名称' onclick=if(this.value=='输入城市名称'){this.value=''} onblur=if(this.value==''){this.value='输入城市名称'}>");
document.write("</td>");
document.write("<td>");
document.write("<input type='image' src='/images/SearchBar_10.jpg' width='90' height='24' />");
document.write("</td>");
document.write("</tr>");
document.write("</table>");
//document.write(" &nbsp;<input type='submit' name='Submit' value='查询维修点' />");
document.write("</form>");
changelocation(document.myform.bigclass.options[document.myform.bigclass.selectedIndex].value);