var xmlHttp

function showCity(str)
{ 
xmlHttp=GetXmlHttpObject1();
if (xmlHttp==null)
  {
  alert ("Your browser does not support AJAX!");
  return;
  } 
  
  if (str != '')
  { 
	var url="mtedu-admin/getcity.asp";
	url=url+"?q="+str;
	url=url+"&sid="+Math.random();
	xmlHttp.onreadystatechange=StateChanged123;
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);
  }
}

function StateChanged123() 
{ 
if (xmlHttp.readyState==4)
{ 
document.getElementById("txtShowCity").innerHTML=xmlHttp.responseText;
}
}

function GetXmlHttpObject1()
{
var xmlHttp=null;
try
  {
  // Firefox, Opera 8.0+, Safari
  xmlHttp=new XMLHttpRequest();
  }
catch (e)
  {
  // Internet Explorer
  try
    {
    xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
    }
  catch (e)
    {
    xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
    }
  }
return xmlHttp;
}