var myBookmarks = {

	show: function(number) 
	{
		bookmarks=$$('#maincolumn_full .prawa_kolumna div.bookmark');
		if(bookmarks[number])
		{
			bookmarks[number].style.display='block';
		}
		anchors=$$('#maincolumn_full .lewa_kolumna a.bookmark');
		if(anchors[number])
		{
			anchors[number].className='bookmark active';
		}
	},

	hide: function() 
	{
		$$('#maincolumn_full .prawa_kolumna div.bookmark').each(function(node)
		{
			node.style.display='none';
		});	
		$$('#maincolumn_full .lewa_kolumna a.bookmark').each(function(node)
		{
			node.className='bookmark';
		});	
	},
	
	change: function(node)
	{
		number=$$('#maincolumn_full .lewa_kolumna a.bookmark').indexOf(node);
		myBookmarks.hide();
		myBookmarks.show(number);
	},

	start: function()
	{
		$$('#maincolumn_full .lewa_kolumna a.bookmark').each(function(node)
		{
			node.onclick=function()
			{
				myBookmarks.change(node);
				return false;
			}
		});
		myBookmarks.hide();
		myBookmarks.show(0);
	}

}

var myScroll = {

	start: function(number) 
	{
		if ( screen.height<=768 && document.URL != 'http://klasyfikacje-statystyczne.pl/index.php/opis-programu-wstep.html'  )
			window.scrollBy(0,220);
	}
}

window.addEvent('domready', myBookmarks.start.bind(myBookmarks) );
//window.addEvent('domready', myScroll.start.bind(myScroll) );