var xmlHttp;

function showHint2(str)
{
xmlHttp=GetXmlHttpObject();
if (xmlHttp==null)
{
alert ("Browser does not support HTTP Request");
return;
}
var url="/twn.asp";
url=url+"?q="+str;
xmlHttp.onreadystatechange=stateChanged2 ;
xmlHttp.open("GET",url,true);
xmlHttp.send(null);

} 

function stateChanged2() 
{ 
if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
{ 
document.getElementById("txtHint2").innerHTML=xmlHttp.responseText;
} 
} 

function GetXmlHttpObject()
{ 
var objXMLHttp=null;
if (window.XMLHttpRequest)
{
objXMLHttp=new XMLHttpRequest();
}
else if (window.ActiveXObject)
{
objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP");
}
return objXMLHttp;
}