function GetCookie(check_name)
{
    // first we'll split this cookie up into name/value pairs
    // note: document.cookie only returns name=value, not the other components
    var a_all_cookies = document.cookie.split(';');
    var a_temp_cookie = '';
    var cookie_name = '';
    var cookie_value = '';
    var b_cookie_found = false; // set boolean t/f default f

    for (i = 0; i < a_all_cookies.length; i++)
    {
        // now we'll split apart each name=value pair
        a_temp_cookie = a_all_cookies[i].split('=');


        // and trim left/right whitespace while we're at it
        cookie_name = a_temp_cookie[0].replace(/^\s+|\s+$/g, '');

        // if the extracted name matches passed check_name
        if (cookie_name == check_name)
        {
            b_cookie_found = true;
            // we need to handle case where cookie has no value but exists (no = sign, that is):
            if (a_temp_cookie.length > 1)
            {
                cookie_value = unescape(a_temp_cookie[1].replace(/^\s+|\s+$/g, ''));
            }
            // note that in cases where cookie is initialized but no value, null is returned
            return cookie_value;
            break;
        }
        a_temp_cookie = null;
        cookie_name = '';
    }
    if (!b_cookie_found)
    {
        return null;
    }
}

function preloadImages()
{
    if (document.images)
    {
        if (!document.imgArray)
        {
            document.imgArray = new Array();
        }

        var i = 0;
        var j = document.imgArray.length;

        for (i = 0; i < preloadImages.arguments.length; i++)
        {
            if (preloadImages.arguments[i].indexOf("#") != 0)
            {
                document.imgArray[j] = new Image;
                document.imgArray[j++].src = preloadImages.arguments[i];
            }
        }
    }
}


function SetCookie(key, value)
{
    var today = new Date();
    var expire = new Date();
    var nDays = 7;

    expire.setTime(today.getTime() + 3600000 * 24 * nDays);
    document.cookie = key + "=" + escape(value) + ";expires=" + expire.toGMTString();

}

function DeleteCookie(name)
{
    if (GetCookie(name))
    {
        document.cookie = name + '=; expires=Thu, 01-Jan-70 00:00:01 GMT; path=/';
    }
}

function SwitchLang(lang)
{
    /* Switch the app to another language */
    SetCookie("lang", lang);
    window.location.reload();
}

function SwitchLocation()
{
    /* clear the location cookie */
    DeleteCookie("pcode");
    /* redirect the user to the main page to reset their location */
    window.location = "./Default.aspx";
}