function isEmpty(obj)
{
    if (typeof(obj) == 'object') {
        if (obj == null)
            return true;
    }
    else if (typeof(obj) == 'string') {
        if (obj.length == 0)
            return true;
    }
    else if (typeof(obj) == 'number') {
    }
    else if (typeof(obj) == 'undefined') {
    }

    return false;
}

function setDispDiv(id)
{
    setCookie('menu_id', id);
}

function HideShowDiv(id)
{
    var obj = document.getElementById(id);

    if (obj) {
        if (obj.style.display == 'none') {
            var flag = getCookie('menu_id');

            if (flag && flag != id) {
                document.getElementById(getCookie('menu_id')).style.display = "none";
            }

            setCookie('menu_id', id);
            obj.style.display = 'block';
        }
        else {
            obj.style.display = 'none';
        }
    }
}

function explode()
{
    var flag = getCookie('menu_id');

    if (flag) {
        document.getElementById(flag).style.display = "block";
    }
}

function implode()
{
    var flag = getCookie('menu_id');

    if (flag) {
        document.getElementById(flag).style.display = "none";
        deleteCookie('menu_id');
    }
}

/*==============================================================================
  Cookie functions
  ============================================================================*/
function setCookie(name, value, expires, path, domain, secure) {
    document.cookie= name + "=" + escape(value) +
        ((expires) ? "; expires=" + expires.toGMTString() : "") +
        ((path) ? "; path=" + path : "") +
        ((domain) ? "; domain=" + domain : "") +
        ((secure) ? "; secure" : "");
}

function getCookie(name) {
    var dc = document.cookie;
    var prefix = name + "=";
    var begin = dc.indexOf("; " + prefix);
    if (begin == -1) {
        begin = dc.indexOf(prefix);
        if (begin != 0) return null;
    } else {
        begin += 2;
    }
    var end = document.cookie.indexOf(";", begin);
    if (end == -1) {
        end = dc.length;
    }
    return unescape(dc.substring(begin + prefix.length, end));
}

function deleteCookie(name, path, domain) {
    if (getCookie(name)) {
        document.cookie = name + "=" +
            ((path) ? "; path=" + path : "") +
            ((domain) ? "; domain=" + domain : "") +
            "; expires=Thu, 01-Jan-70 00:00:01 GMT";
    }
}

/*==============================================================================
  Set the tabber options (must do this before including tabber.js)
  ============================================================================*/
var tabberOptions = {

  'cookie': "tabber", /* Name to use for the cookie */

  'onLoad': function(argsObj)
  {
    var t = argsObj.tabber;
    var i;

    /* Optional: Add the id of the tabber to the cookie name to allow
       for multiple tabber interfaces on the site.  If you have
       multiple tabber interfaces (even on different pages) I suggest
       setting a unique id on each one, to avoid having the cookie set
       the wrong tab.
    */
    if (t.id) {
      t.cookie = t.id + t.cookie;
    }

    /* If a cookie was previously set, restore the active tab */
    i = parseInt(getCookie(t.cookie));
    if (isNaN(i)) { return; }
    t.tabShow(i);
    //alert('getCookie(' + t.cookie + ') = ' + i);
  },

  'onClick':function(argsObj)
  {
    var c = argsObj.tabber.cookie;
    var i = argsObj.index;
    //alert('setCookie(' + c + ',' + i + ')');
    setCookie(c, i);
  }
};

/* Optional: Temporarily hide the "tabber" class so it does not "flash"
   on the page as plain HTML. After tabber runs, the class is changed
   to "tabberlive" and it will appear. */
document.write('<style type="text/css">.tabber{display:none;}<\/style>');