var planeswalkers = ['mainWhite', 'mainBlue', 'mainBlack', 'mainRed', 'mainGreen'];
var planeswalker = 'mainWhite';
var cookieName= 'mmp_planeswalker';


function planeswalkersInitPage()
{
  var tmp = getCookie(cookieName);
  var el = null;
  
  if ( tmp!=null && tmp!=0 )
  {
    el = $('mana_'+tmp);
    if ( el!=null )
      planeswalker = tmp;
  }
  else
  {
  	var i = Math.ceil(Math.random()*4);
  	el = $('mana_'+planeswalkers[i]);
    if ( el!=null )
      planeswalker = planeswalkers[i];
  	
  }
  
  if ( el==null )
    el = $('mana_'+planeswalker);
  
  if ( el!=null )
  {
    var tmp = el.alt;
    el.alt = el.src;
    el.src = tmp;
    
    $('menu_header_img').src = '/images/' + planeswalker + '.jpg';
  }
}
  
function switchImage(el)
{
  if (el!=null && el.id!='mana_'+planeswalker)
  {
    var tmp = el.alt;
    el.alt = el.src;
    el.src = tmp;
  }
}
  
function switchPlaneswalker(pw, el)
{
  if ( el!=null && planeswalker!=pw )
  {
    var tmp = planeswalker;
    planeswalker = pw;
    setCookie(cookieName, planeswalker, 14, '/');
    $('menu_header_img').src = '/images/' + planeswalker + '.jpg';
    
    el = $('mana_'+tmp);
    switchImage(el);
  }
}