// Switch Layout - by Bruno Baguette - greencode.be
// 2008-06-06 : Specials adaptations for Jeffrey Vanhoutte Website

function init_layout()
{
  // Init layout
  var current_layout = readCookie('current_layout');
  set_layout(current_layout);
}

function switch_layout()
{
  // Load current layout from cookie
  var current_layout = readCookie('current_layout');
  var layout_to_switch_to;

  if(current_layout=='white')
  {
    // Switch from white to black
    layout_to_switch_to = 'black';
  }
  else
  {
    // Switch from black to white
    layout_to_switch_to = 'white';
  }

  // Switch layout
  set_layout(layout_to_switch_to);

  // Store current layout in cookie expiring in 15 days
  createCookie('current_layout',layout_to_switch_to, 15);
}

function set_layout(requested_layout)
{
  switch (requested_layout)
  {
    case 'white':
      document.body.style.backgroundColor='#FFFFFF';

      // Switch Layout
      if(document.getElementById('switch_layout')!=null)
      {
        var invitation_switch_layout = 'BLACK ?';
        document.getElementById("switch_layout").removeChild(document.getElementById("switch_layout").firstChild);
        document.getElementById("switch_layout").appendChild(document.createTextNode(invitation_switch_layout));
      }

      // Logo
      if(document.getElementById('logo')!=null)
      {
        document.getElementById("logo").setAttribute("src","images/logo_white.jpg");
      }

/*
      // Barre
      if(document.getElementById('Gallery_hscrollerbase')!=null)
      {
        document.getElementById('Gallery_hscrollerbarbeg').style.backgroundColour = '#202020';
      }

      if(document.getElementById('Gallery_hscrollerbarbeg')!=null)
      {
        document.getElementById('Gallery_hscrollerbarbeg').style.backgroundImage = 'url(images/flex_hscroller3_white.png)';
        document.getElementById('Gallery_hscrollerbarbeg').style.backgroundColour = '#202020';
      }

      if(document.getElementById('Gallery_hscrollerbarend')!=null)
      {
        document.getElementById('Gallery_hscrollerbarend').style.backgroundImage = 'url(images/flex_hscroller3_white.png)';
        document.getElementById('Gallery_hscrollerbarend').style.backgroundColour = '#202020';
      }
*/
      break;

    case 'black':
    default:
      document.body.style.backgroundColor='#000000';

      // Switch Layout
      if(document.getElementById('switch_layout')!=null)
      {
        var invitation_switch_layout = 'WHITE ?';
        document.getElementById("switch_layout").removeChild(document.getElementById("switch_layout").firstChild);
        document.getElementById("switch_layout").appendChild(document.createTextNode(invitation_switch_layout));
      }

      // Logo
      if(document.getElementById('logo')!=null)
      {
        document.getElementById("logo").setAttribute("src","images/logo.jpg");
      }

/*
      // Barre
      if(document.getElementById('Gallery_hscrollerbase')!=null)
      {
        document.getElementById('Gallery_hscrollerbarbeg').style.backgroundColour = '#FFFFFF';
      }

      if(document.getElementById('Gallery_hscrollerbarbeg')!=null)
      {
        document.getElementById('Gallery_hscrollerbarbeg').style.backgroundImage = 'url(images/flex_hscroller3.png)';
        document.getElementById('Gallery_hscrollerbarbeg').style.backgroundColour = '#eeeeee';
      }

      if(document.getElementById('Gallery_hscrollerbarend')!=null)
      {
        document.getElementById('Gallery_hscrollerbarend').style.backgroundImage = 'url(images/flex_hscroller3.png)';
        document.getElementById('Gallery_hscrollerbarend').style.backgroundColour = '#eeeeee';
      }
*/
      break;
  }
}


// Cookies management functions from QuirksMode.org
// http://www.quirksmode.org/js/cookies.html

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 var 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 eraseCookie(name)
{
  createCookie(name,"",-1);
}