var xmlhttp;

function showCity(str, str1, str2, site, flag)
{
	xmlhttp=GetXmlHttpObject();
	if (xmlhttp==null)
	{
		alert ("Browser does not support HTTP Request");
	  	return;
	}
	
	if(site == 'admin')
		var url="../city.php";
	else
		var url="city.php";
		
	url=url+"?province_name="+str+"&list="+str1+"&city_name="+str2+"&site="+site+"&flag="+flag;
	url=url+"&sid="+Math.random();
	xmlhttp.onreadystatechange=stateChanged;
	xmlhttp.open("GET",url,true);
	xmlhttp.send(null);
}

function stateChanged()
{
	if (xmlhttp.readyState==4)
	{
		//alert(xmlhttp.responseText);
		document.getElementById("city").innerHTML = xmlhttp.responseText;
		//alert(document.getElementById("city").innerHTML);
	}
}

function GetXmlHttpObject()
{
	if (window.XMLHttpRequest)
  	{
  		// code for IE7+, Firefox, Chrome, Opera, Safari
  		return new XMLHttpRequest();
  	}
  	
	if (window.ActiveXObject)
  	{
  		// code for IE6, IE5
  		return new ActiveXObject("Microsoft.XMLHTTP");
  	}
	return null;
}