// Adjust the header link based on whether or not a user is logged in
function adjustHeaderLoginStatus() {
	var uguid = Get_Cookie("uguid");
	if (uguid != "" && uguid != null)
	{
		$.get("/user/Get?userGuid=" + uguid, function (name)
		{
			$("#loginBox").html("<a href=\"/myaccount\">My Account</a>");
			$("#registerBox").html("").closest("td").hide();
		});
	}
}

$(document).ready(function() {
    // Adjust the header link based on whether or not a user is logged in
	adjustHeaderLoginStatus();
    
	// Adjust the position of the homepage "Top Stories" headlines
	$(".topStoryText").each(function (index) {
        $(this).css({ "margin-top": "-" + jQuery(this).height() + "px", opacity: 0.8 });
	});
    $(".timeSince").each(function (index) {
        $(this).css({ "margin-top": "-" + (jQuery(this).next(".topStoryText").height() + 25) + "px", opacity: 0.8 });
    });

    // Get News Alert RSS Entry
    $.get('/rss-for-alerts/?ts=' + (new Date()).getTime(), function (data) {
        var xml;
        if (typeof data == "string") {
            xml = new ActiveXObject("Microsoft.XMLDOM");
            xml.async = false;
            xml.loadXML(data);
        } else {
            xml = data;
        }
        var $channel = $(xml).find('channel:first');
        if ($channel.length > 0) {
            $channel.find('item').each(function () {

                var $alertItem = $(this);

                // Make sure the post is allowed to be shown today based on potential date restrictions
                var today = new Date();
                var startdate = $alertItem.find('startdate');
                var enddate = $alertItem.find('enddate');
                if (startdate.length > 0 && today < new Date(startdate.text())) {
                    return;
                }
                if (enddate.length > 0 && today > new Date(enddate.text())) {
                    return;
                }

                // Passed validation: generate and show item
                var $newsalert = $('#newsalert_bar_main');
                var alertHTML = '<span class="newsalert-type">' + $alertItem.find('alerttype').text() + '</span><a href="' + $alertItem.find('link').text() + '">' + $alertItem.find('title').text() + '</a>'
                $newsalert.html(alertHTML).show();

                // An item is being displayed: break the loop
                return false;

            });
        }
    }, (($.browser.msie) ? "text" : "xml"));
});

function Get_Cookie(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;
    }
}