var xmlHttp 

function showAmphur(str,nameselect,selectamphur)
{ 
	xmlHttp=GetXmlHttpObject()
	divname=nameselect
	if (xmlHttp==null)
	 {
		alert ("Browser does not support HTTP Request")
		 return
	 }
	var url="getAmphur.php"
	url=url+"?q="+str
	url=url+"&nameselect="+nameselect
	url=url+"&selectamphur="+selectamphur
	url=url+"&sid="+Math.random()
	xmlHttp.onreadystatechange=stateChanged 
	xmlHttp.open("GET",url,true)
	xmlHttp.send(null)
}

function stateChanged() 
{ 
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
	 { 
		 document.getElementById("txtHint"+divname).innerHTML=xmlHttp.responseText 
	 } 
}

function GetXmlHttpObject()
{
	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;
}