var xmlHttp

function show_residence(str)
{	
   if(str.length==0)
   { 
   document.getElementById("residence").innerHTML=""
   return
   }
   xmlHttp=GetXmlHttpObject()
   if(xmlHttp==null)
   {
	  alert ("Browser does not support HTTP Request")
	  return
   } 
	var url="show_residence.php"
	url=url+"?q="+str
	//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("residence").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;
}