var http = createRequestObject();

function createRequestObject(){
    var obj;
    var browser = navigator.appName;
    if(browser == "Microsoft Internet Explorer"){
        obj = new ActiveXObject("Microsoft.XMLHTTP");
    }
    else{
        obj = new XMLHttpRequest();
    }
    return obj;    
}

function sendReq(serverFileName)
{ 
	http.open('GET',serverFileName,true);
    http.onreadystatechange = handleResponse;
    http.send(null);
	
}

function handleResponse() {
	
	if(http.readyState == 4 && http.status == 200)
	{
		var ShowProgressBar='Loading........';
		document.getElementById("ShowMsg").innerHTML = ShowProgressBar;
		setTimeout("ShowComnt()",500);
	}

}

function ShowComnt()
{
		responseText = http.responseText;		
		document.getElementById("ShowMsg").innerHTML=responseText;	
}