function toggleon(tabselected, boxselected)
{
    document.getElementById("multiboxfeatures").className = '';
    document.getElementById("iframemultiboxfeatures").style.display = 'none';

    document.getElementById("multiboxnews").className = '';
    document.getElementById("iframemultiboxnews").style.display = 'none';

    document.getElementById("multiboxevents").className = '';
    document.getElementById("iframemultiboxevents").style.display = 'none';

    document.getElementById("multiboxviewpoint").className = '';
    document.getElementById("iframemultiboxviewpoint").style.display = 'none';
    
    
    document.getElementById(tabselected).className = 'active';
    document.getElementById(boxselected).style.display = 'inline';
    
    createCookie('multiboxtab', tabselected);
}

// JS Cookie Manipulation functions
// Taken from http://www.alistapart.com/articles/alternate/

function createCookie(name,value,days)
{
    if (days)
    {
        var date = new Date();
        date.setTime(date.getTime()+(days*24*60*60*1000));
        var expires = "; expires="+date.toGMTString();
    }
    else expires = "";
    document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name)
{
    var nameEQ = name + "=";
    var ca = document.cookie.split(';');
    for(var i=0;i < ca.length;i++)
    {
        var c = ca[i];
        while (c.charAt(0)==' ') c = c.substring(1,c.length);
        if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
    }
    return null;
}

function loadmultiboxtab()
{
  var cookie = readCookie("multiboxtab");
  if(cookie)
  {
    toggleon(cookie, 'iframe' + cookie);
  }
}