cityareaname=new Array(35);
cityareacode=new Array(35);
 function first(preP,preC,formname,selectP,selectC)
   {
     a=0;
if (selectP=='Table and Chair SETS')
  { a=1;tempoption=new Option('Table and Chair SETS','Table and Chair SETS',false,true); }
else
  { tempoption=new Option('Table and Chair SETS','Table and Chair SETS'); }
eval('document.'+formname+'.'+preP+'.options[1]=tempoption;');
cityareacode[0]=new Array('0101','0102','0103','0104','0105','0106','0107','0108');
cityareaname[0]=new Array('A001','A002','A003','A004','A005','A006','A007','A008');
if (selectP=='Seat Chair Series')
  { a=2;tempoption=new Option('Seat Chair Series','Seat Chair Series',false,true); }
else
  { tempoption=new Option('Seat Chair Series','Seat Chair Series'); }
eval('document.'+formname+'.'+preP+'.options[2]=tempoption;');
cityareacode[1]=new Array('0201','0202','0203','0204','0205','0206');
cityareaname[1]=new Array('B001','B002','B003','B004','B005','B006');
if (selectP=='Reclining Chair Series')
  { a=3;tempoption=new Option('Reclining Chair Series','Reclining Chair Series',false,true); }
else
  { tempoption=new Option('Reclining Chair Series','Reclining Chair Series'); }
eval('document.'+formname+'.'+preP+'.options[3]=tempoption;');
cityareacode[2]=new Array('0301','0302','0303','0304','0305','0306','0307','0308','0309','0310','0311');
cityareaname[2]=new Array('C001','C002','C003','C004','C005','C006','C007','C008','C009','C010','C011');
if (selectP=='Park Chair')
  { a=4;tempoption=new Option('Park Chair','Park Chair',false,true); }
else
  { tempoption=new Option('Park Chair','Park Chair'); }
eval('document.'+formname+'.'+preP+'.options[4]=tempoption;');
cityareacode[3]=new Array('0401','0402','0403','0404','0405','0406');
cityareaname[3]=new Array('D001','D002','D003','D004','D005','D006');
if (selectP=='Swing Chair')
  { a=5;tempoption=new Option('Swing Chair','Swing Chair',false,true); }
else
  { tempoption=new Option('Swing Chair','Swing Chair'); }
eval('document.'+formname+'.'+preP+'.options[5]=tempoption;');
cityareacode[4]=new Array('0501','0502','0503','0504','0505','0506','0507','0508','0509','0510','0511','0512');
cityareaname[4]=new Array('E001','E002','E003','E004','E005','E006','E007','E008','E009','E010','E011','E012');
if (selectP=='Swivel Chair、Put Chair')
  { a=6;tempoption=new Option('Swivel Chair、Put Chair','Swivel Chair、Put Chair',false,true); }
else
  { tempoption=new Option('Swivel Chair、Put Chair','Swivel Chair、Put Chair'); }
eval('document.'+formname+'.'+preP+'.options[6]=tempoption;');
cityareacode[5]=new Array('0601','0602','0603','0604','0605','0606','0607','0608','0609','0610','0611','0612');
cityareaname[5]=new Array('F001','F002','F003','F004','F005','F006','F007','F008','F009','F010','F011','F012');


eval('document.'+formname+'.'+preP+'.options[a].selected=true;');

//cityid=selectP;
cityid=a;
    if (cityid!='0')
      {
        b=0;for (i=0;i<cityareaname[cityid-1].length;i++)
           {
             if (selectC==cityareaname[cityid-1][i])
                 {b=i+1;tempoption=new Option(cityareaname[cityid-1][i],cityareaname[cityid-1][i],false,true);}
             else
                 tempoption=new Option(cityareaname[cityid-1][i],cityareaname[cityid-1][i]);
            eval('document.'+formname+'.'+preC+'.options[i+1]=tempoption;');
           }
        eval('document.'+formname+'.'+preC+'.options[b].selected=true;');
      }
    }
//修改版不用城市代码，直接用城市名称
 function selectcityarea(preP,preC,formname)
   {
     cityid=eval('document.'+formname+'.'+preP+'.selectedIndex;');
     j=eval('document.'+formname+'.'+preC+'.length;');
     for (i=1;i<j;i++)
        {eval('document.'+formname+'.'+preC+'.options[j-i]=null;')}
     if (cityid!="0")
       {
         for (i=0;i<cityareaname[cityid-1].length;i++)
            {
             tempoption=new Option(cityareaname[cityid-1][i],cityareaname[cityid-1][i]);
             eval('document.'+formname+'.'+preC+'.options[i+1]=tempoption;');
            }
       }
    }