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

function stateChanged() 
{ 
if (xmlHttp.readyState!=4)
{
	document.getElementById("txtResult").innerHTML='<div align="center"><img src="images/ajax-loader.gif"></div>';
}
if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete") 
{ 
	document.getElementById("txtResult").innerHTML=xmlHttp.responseText 
} 
else 
{ 
//alert(xmlHttp.status); 
} 
} 

function htmlData(url, qStr) 
{ 
if (url.length==0) 
{ 
document.getElementById("txtResult").innerHTML=""; 
return; 
} 
xmlHttp=GetXmlHttpObject() 
if (xmlHttp==null) 
{ 
alert ("Browser does not support HTTP Request"); 
return; 
} 

url=url+"?"+qStr; 
url=url+"&sid="+Math.random(); 
xmlHttp.onreadystatechange=stateChanged; 
xmlHttp.open("GET",url,true) ; 
xmlHttp.send(null); 
}