//利用xmlhttp实现省、地、县三级共联 IE6/7、FireFox、MyIE下测试通过
//2007-8-23

//获取数据
function GetCityXML(obj1,aspurl)
{
	var URL;
	URL = aspurl + "?shengid=" + document.getElementById(obj1).value ;
	if   (window.XMLHttpRequest)
	{
		isIE   =   false;
        	xml   =   new   XMLHttpRequest();
    }
    else if (window.ActiveXObject)
	{
		isIE   =   true;
		xml   =   new   ActiveXObject("Microsoft.XMLHTTP");
    }

	try
	{
		xml.open("get",URL,false);
		xml.send(null);
	}
	catch(ex){}
	return xml.responseText;
}

//向select里传回数据 联动obj1，刷新obj2
function PutCityXML(obj1,obj2,aspurl)
{
	var arrstr = new Array();
	var str = GetCityXML(obj1,aspurl);
	arrstr = str.split("|,|");
	document.getElementById(obj2).options.length = 0;
	document.getElementById(obj2).options[document.getElementById(obj2).options.length] = new Option("请选择","");

	if (arrstr[arrstr.length - 1] != "")
	{
		for(var i=0;i<arrstr.length;i++)
		{
			var arr_str = new Array();
			var strtemp = arrstr[i];
			arr_str = strtemp.split("|,,|");
			document.getElementById(obj2).options[document.getElementById(obj2).options.length] = new Option(arr_str[1],arr_str[0]);
		}
	}
}