//封装一个xmlhttp与服务器端进行交互
		function ajax(objstr,lx)
		{
			//接收传递参数
			string="objstr="+escape(objstr)+"&lx="+escape(lx);
			//alert(string);
			//建立对象
			
			var objXMLHTTP = null; 
try{ 
objXMLHTTP = new XMLHttpRequest();
}
catch(e)
{};
var progids=['MSXML2.XMLHTTP', 'Microsoft.XMLHTTP','MSXML2.XMLHTTP.3.0', 'MSXML2.XMLHTTP.4.0','MSXML2.XMLHTTP.5.0'];
if(!objXMLHTTP){
for(var i=0; i<5; ++i){
try{
objXMLHTTP = new ActiveXObject(progids[i]);
break;
}catch(e){
}
}
}
			
			//var objXMLHTTP = null;  
			//try  
			//{  
			//	objXMLHTTP = new ActiveXObject("MSXML2.XMLHTTP");  
			//}  
			//catch(e)  
			//{  
			//	try  
			//	{  
					//objXMLHTTP = new ActiveXObject("Microsoft.XMLHTTP");  
			//	}  
				//catch(e2){}
			//} 
			//发送数据
			string=encodeURI(string);
			string=encodeURI(string);
			objXMLHTTP.open("POST", "/inc_js/17167Area.asp", false);

			objXMLHTTP.setRequestHeader("content-length",string.length); 
			objXMLHTTP.setRequestHeader("content-type","application/x-www-form-urlencoded"); 
			
			objXMLHTTP.send(string); 
			//得到服务器端返加值
			return objXMLHTTP.responseText;	
		}
		//封装返回省级数据
		function city(objstr,objselect,lx,obsel)
		{
			var _Array=ajax(objstr,lx);
			
			var objselect=document.getElementById(objselect);//eval("document.getElementById("+objselect+")");
			var obsel=obsel
			//alert(_Array);
			//加入select值前先清空其所有值
			objselect.length=0;
			if (_Array.indexOf("|") >=0){
			var split_Array=_Array.split("|");
			for(i=0;i<split_Array.length;i++)
			{
			  var split_Array2=split_Array[i].split(",");
			    if(split_Array2[0]==obsel){
				objselect.options.add(new Option(split_Array2[1],split_Array2[0]));
				objselect.options[i].selected = true;
				}
				else{
				objselect.options.add(new Option(split_Array2[1],split_Array2[0]));
				}
			}
}
else
{
	objselect.options.add(new Option('',''));
	}
		}


		//封装返回Select选中值
		function getSelectValue(id)
		{
			var oSel = document.getElementById(id);
			//var pindex = oSel.selectedIndex;
               // var pValue = oSel.options[pindex].value;
               // var pText  = province.options[pindex].text;
			//return document.myform.elements[id].options[document.myform.elements[id].selectedIndex].value;
			return oSel.options[oSel.selectedIndex].value;
			
		}
		
		//封装改变省级菜单产生事件city1
		function city1_change(cc1,cc2)
		{
			city(getSelectValue(cc1),cc2,cc1);
		}
		//封装返回商业区行政区
		function city2_change(cc1,cc2)
		{
			city(getSelectValue(cc1),cc2,cc2);
		}
		//修改类别时返回并定位到类别上
		function dwcity(objstr,objselect,lx,objid)
		{
		var _Array=ajax(objstr,lx);
			var objselect=document.getElementById(objselect);//eval("document.getElementById("+objselect+")");
			var obsel;//=obsel
			//alert(_Array);
			//加入select值前先清空其所有值
			objselect.length=0;
			var split_Array=_Array.split("|");
			for(i=0;i<split_Array.length;i++)
			{
			  var split_Array2=split_Array[i].split(",");
			    if(split_Array2[0]==obsel){
				objselect.options.add(new Option(split_Array2[1],split_Array2[0]));
				objselect.options[i].selected = true;
				}
				else{
				objselect.options.add(new Option(split_Array2[1],split_Array2[0]));
				}
			}
			
			var   theObj=objselect;   
  for(var   i=1;i<theObj.length;i++)   
  {   
  if(   theObj.options[i].value==objid  )   
  {   
  theObj.options[i].selected=true;   
  }   
  }   
		}