function initialize()
{
	var ItemWidth = 180;
	
	var Width = $('items').getWidth();
	var NumItems = Width / ItemWidth; 
	var maxItems = NumItems * ItemWidth;
	var CurrentItem = 1;


	$('news_next').observe('click', function()
	{
		if (checkPosition('next') == true)
		{
			new Effect.Move('items', { x: -ItemWidth, y: 0, duration: 0.2 });			
		}
		CheckArrows();
	
	});

	$('news_previous').observe('click', function()
	{
		if(checkPosition('previous') == true )
		{
			new Effect.Move('items', { x: ItemWidth, y: 0, duration: 0.2 });	
		}	
		CheckArrows();
	});
	
	function CheckArrows()
	{
			if((CurrentItem - 1) > 0 )
			{
				$('news_previous').style.backgroundPosition ='0px 0px';
			}
			else
			{
				$('news_previous').style.backgroundPosition ='0px -10px';
			}

				// alert(CurrentItem + " - " + NumItems)
			if((CurrentItem + 1) <= NumItems )
			{

				$('news_next').style.backgroundPosition ='0px 0px';
			}
			else
			{
				$('news_next').style.backgroundPosition ='0px -10px';
			}
	}
	
	function checkPosition(move)
	{
			
		if(move == 'next')
		{
			if((CurrentItem + 1) <= NumItems )
			{
				CurrentItem++;
				$('news_crumble').innerHTML = CurrentItem + ' / ' + Math.ceil(NumItems);
				return true; 
			}
			else
			{
				return false;
			}
		}
		
		if(move == 'previous')
		{
			if((CurrentItem - 1) > 0 )
			{
				CurrentItem--;
				$('news_crumble').innerHTML = CurrentItem + ' / ' + Math.ceil(NumItems);
				return true; 
			}
			else
			{
				return false;
			}
		}
				
	}
	
	CheckArrows();

}


Event.observe(window, 'load', function () 
{
	// make sure the news loaded
	 if ($('news') != undefined){
		initialize();
	 }	

});