两级联动的select XML版

答案：     XML文件
  
  
  js文件
  var MarketXMLDoc = new ActiveXObject("Msxml2.DOMDocument");
  MarketXMLDoc.async = false;
  MarketXMLDoc.load("/XML/MARKET_LIST.XML");
  function GetMarketList(Type)
  {
  var Nodes;
  switch (Type)
  {
    case "AllCitys" :
     Nodes=MarketXMLDoc.getElementsByTagName("City");
     break;
    case "AllMarkets" :
     Nodes=MarketXMLDoc.getElementsByTagName("Market");
     break;
    case "TheMarkets" :
     CityId=arguments[arguments.length-1];
     if(CityId!="")
     {
      Nodes=MarketXMLDoc.selectNodes(".//City[@RecordNo='" + CityId + "']//Market");
     }
     else
     {
      Nodes=MarketXMLDoc.selectNodes(".//City//Market");
     }
     break;
    default :
     break;
  }
  return Nodes;
  }
  function ChangeMarkets()
  {
  CityId=event.srcElement.options[event.srcElement.selectedIndex].value;
  GenerateMarketList("TheMarkets","Market","","",CityId)
  }
  function ChangeMarketsEx()
  {
  CityId=event.srcElement.options[event.srcElement.selectedIndex].value;
  GenerateMarketListEx("TheMarkets","_Market","","",CityId)
  }
  function GenerateMarketList(Type,Name,Style,Class)
  {
  var oList,oItem;
  var CityId=arguments[arguments.length-1];
  var Nodes=GetMarketList(Type,CityId);
  if(Nodes.length==0) return;
  switch (Type)
  {
    case "AllCitys" :
    case "AllMarkets" :
     oList=document.createElement("SELECT");
     oList.style.cssText=Style;
     oList.className=Class;
     oList.name=Name;
     oList.id=Name;
     oList.onchange=(Type=="AllCitys"?"ChangeMarkets()":"");
     break;
    case "TheMarkets" :
     oList=document.getElementsByName(Name)[0];
     oList.innerHTML="";
     break;
    default :
     break;
  }
  oItem=document.createElement("OPTION");
  oItem.value="";
  oItem.innerText="-搜索所有-";
  oList.appendChild(oItem);
  for(i=0;i {
    oItem=document.createElement("OPTION");
    oItem.value=Nodes[i].getAttribute("RecordNo");
    oItem.innerText=Nodes[i].getAttribute("Name");
    oList.appendChild(oItem);
  }
  return oList;
  }
  function InputAddress()
  {
  NewValue=event.srcElement.options[event.srcElement.selectedIndex].text
  document.getElementById("Address1").value+=NewValue;
  }
  function GenerateMarketListEx(Type,Name,Style,Class,Callback)
  {
  var oList,oItem;
  var CityId=arguments[arguments.length-1];
  var Nodes=GetMarketList(Type,CityId);
  if(Nodes.length==0) return;
  switch (Type)
  {
    case "AllCitys" :
    case "AllMarkets" :
     oList=document.createElement("SELECT");
     oList.style.cssText=Style;
     oList.className=Class;
     oList.name=Name;
     oList.id=Name;
     oList.onchange=((Type=="AllCitys"?"ChangeMarketsEx();":"")+Callback);
     break;
    case "TheMarkets" :
     oList=document.getElementsByName(Na
   
   

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