/**
 * Created by JetBrains PhpStorm.
 * User: Learning Point
 * Date: 4/14/11
 * Time: 2:06 PM
 * To change this template use File | Settings | File Templates.
 */
function getElement(id)
{
    var object = document.getElementById(id);
    if (object == null)
    {
        alert("Error getting id: " + id);
    }
    return object;
}
function hideBox(id)
{
    getElement(id).style.display = "none";
}
function showBox(id)
{
    getElement(id).style.display = "block";
}
function createRequest()
{
    var request = null;
    if (window.XMLHttpRequest)
    {// code for IE7+, Firefox, Chrome, Opera, Safari
        request = new XMLHttpRequest();
    } else
    {// code for IE6, IE5
        request = new ActiveXObject("Microsoft.XMLHTTP");
    }
    if (request == null)
    {
        alert("Error creating request!");
    }
    return request;
}