var http = createRequestObject();
var objectId = 'ajaxOutput';

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

function sendReq(serverFileName, variableNames, variableValues) 
{
	var paramString = '';
	
	variableNames = variableNames.split(',');
	variableValues = variableValues.split(',');
	
	for(i=0; i<variableNames.length; i++) 
	{
		paramString += variableNames[i]+'='+variableValues[i]+'&';
	}
	paramString = paramString.substring(0, (paramString.length-1));
	
			
	if (paramString.length == 0) 
	{
	   	http.open('get', serverFileName);
	}
	else 
	{
		http.open('get', serverFileName+'?'+paramString);
	}
    http.onreadystatechange = handleResponse;
	
    http.send(null);
}
function sendReq(serverFileName) 
{
	http.open('get', serverFileName);
	http.onreadystatechange = handleResponse;
    http.send(null);
}
function handleResponse() 
{
	
	//alert(http.readyState);
	if(http.readyState == 4)
	{
		responseText = http.responseText;
		ajaxProcessComplete(responseText);
    }
}