window.addEvent('domready', function()
{
	
    //$('lPtr').store('tip:title', "Aktualności");
    //$('lPtr').store('tip:text', "Przyciśnij aby przewinąć");
    $('lPtr').addEvent('click', function(){ scrollUp(); });

    //$('rPtr').store('tip:title', "Aktualności");
    //$('rPtr').store('tip:text', "Przyciśnij aby przewinąć");
    $('rPtr').addEvent('click', function(){ scrollDown(); });

    /*var lPtr = new Tips($('lPtr'), {
        showDelay: 10,
        hideDelay: 10,
        offsets: {x: 10, y: 10},
        fixed: false
    });
    var rPtr = new Tips($('rPtr'), {
        showDelay: 10,
        hideDelay: 10,
        offsets: {x: 10, y: 10},
        fixed: false
    });*/

    
    if( $('newsContainer') )
    {
       $('newsContainer').set({'opacity' : 0});
       $('newsContainer').style.display = 'block';
       $('newsContainer').morph({opacity: 1});
    }
    
    setInterval("autoScroll()",10000);
 
});

function scrollDown()
{
   if( $('ncNews').getScroll().y != ($('ncNews').getScrollSize().y-256) )
   {
	  now  =  $('ncNews').getScroll().y/256+1;
	  next = now+1; 
	  if($('news'+next))
		  $('news'+next).setStyle('display','block');
	  if($('news'+now))
		  $('news'+now).setStyle('display','none');
      $('ncNews').set({'opacity' : 0});
      $('ncNews').scrollTo( 0, $('ncNews').getScroll().y + 256 );
      $('ncNews').morph({opacity: 1});
   }
}
function scrollUp()
{
   if( $('ncNews').getScroll().y != 0 )
   {
	   	  now  =  $('ncNews').getScroll().y/256+1;
		  prev = now-1; 
		  if($('news'+prev))
			  $('news'+prev).setStyle('display','block');
		  if($('news'+now))
			  $('news'+now).setStyle('display','none');
      $('ncNews').set({'opacity' : 0});
      $('ncNews').scrollTo( 0, $('ncNews').getScroll().y - 256 );
      $('ncNews').morph({opacity: 1});
   }
}

function autoScroll()
{
	
   if( $('ncNews').getScroll().y != ($('ncNews').getScrollSize().y-256) )
   {
      scrollDown();
   }
   else
   {
	   now  =  $('ncNews').getScroll().y/256+1;
	   next = 0; 
      $('ncNews').set({'opacity' : 0});
      $('ncNews').scrollTo( 0, 0 );
      $('ncNews').morph({opacity: 1});
	  if($('news'+next))
		  $('news'+next).setStyle('display','block');
	  if($('news'+now))
		  $('news'+now).setStyle('display','none');
   }

}