var currentBanner = 1;
	var bannerInterval = 4000;
	var bannerTimer;
	var booBannerSliding = false;
	

	window.addEvent('domready',initBanner);

	function initBanner()
	{
		var container = new Element('div');
		container.id='bannerContainer';
		container.setStyles({width:955, height:244, overflow:'hidden', background:'url(/images/banner1.jpg)'});
		container.inject($('bannerNav'), 'before');
		
		$('bannerNav').setStyles({'top':-33});

		bannerTimer=(function(){showNextBanner()}).periodical(bannerInterval);
	}

	function showBanner(index)
	{
		if(index!=currentBanner && !booBannerSliding)
		{
			booBannerSliding = true;
			$('btn'+index).getChildren()[0].toggleClass('active');
			if( $('btn'+currentBanner)!=null) $('btn'+currentBanner).getChildren()[0].toggleClass('active');

			var img = new Element('img');
			img.src = '/images/banner' + index.toString() +'.jpg';
			img.set('morph',{duration:500, transition:Fx.Transitions.Circ.easeOut, onComplete:function()
			{
				$('bannerContainer').setStyles({background:'url('+img.src+')'}); img.destroy(); currentBanner=index;
				booBannerSliding = false;
				$clear(bannerTimer);
				bannerTimer=(function(){showNextBanner()}).periodical(bannerInterval);
			}});
			if(index<currentBanner) img.setStyles({opacity:0, position:'relative', left:-955});
			else img.setStyles({opacity:0, position:'relative', left:955});

			img.inject($('bannerContainer'));
			img.morph({left:0, opacity:1});
		}
	}

	function showPrevBanner()
	{
		if(!booBannerSliding)
		{
			if(currentBanner>1)
			{
				showBanner(currentBanner-1);
			}
			else
			{
				$('btn1').getChildren()[0].toggleClass('active');
				currentBanner=9;
				showBanner(8);
			}
		}
	}
	
	function showNextBanner()
	{	
		if(!booBannerSliding)
		{
			if(currentBanner<8) 
			{
				showBanner(currentBanner+1);
			}
			else
			{
				$('btn8').getChildren()[0].toggleClass('active');
				currentBanner=0;
				showBanner(1);
			}
		}
	}