function getObject(aObjectName)
{
    var daObject = null;

    if(document.getElementById)
    {
        daObject = document.getElementById(aObjectName);
    }
    else if(document.all)
    {
        daObject = document.all[aObjectName];
    }

    return daObject;
}

function getXmlHttpObject()
{
    var xmlHttpObject = null;

    try
    {
        // Firefox, Opera 8.0+, Safari
        xmlHttpObject = new XMLHttpRequest();
    }
    catch(ex)
    {
        try
        {
            // Internet Explorer 6.0+
            xmlHttpObject = new ActiveXObject("Msxml2.XMLHTTP");
        }
        catch(ex)
        {
            try
            {
                // Internet Explorer 5.5+
                xmlHttpObject = new ActiveXObject("Microsoft.XMLHTTP");
            }
            catch(ex)
            {
                xmlHttpObject = null;
            }
        }
    }

    return xmlHttpObject;
}