var news_content;
var current_slide = 0, slides, slider, slider_timer;
var browserCheck = (document.all) ? 1 : 0;

var news = {
	
	el:			'news_content',
	current:	0,
	auto:		10,
	
	start:		function() {
		this.show();
		var _this = this;
		this.timer = setInterval(function() {
			_this.next();
		}, this.auto * 1000);
	},
	
	show:		function(i) {
		i = i || 0;
		$(this.el).set('html', '<a href="' + news_content[i].link + '" target="_blank">' + news_content[i].title + '</a>');
	},
	
	next:		function() {
		next = (this.current + 1) % news_content.length;
		this.current++;
		this.show(next);
	}
};

function nextSlide() {
	next = (current_slide + 1) % slides.length;
	current_slide++;
	//slider.toElement(slides[next]);
}

function autoSlide() {
	$clear(slider_timer);
	slider_timer = setInterval(function() {
		nextSlide();
	}, 5000);
}

function getSlide(a){
		
	//slider.toElement(slides[a]);	
	slider = new Fx.Tween(slides[a]);
	if(a != 0){
	document.getElementById('0').style.backgroundColor = '#FFFFFF';
	document.getElementById('0').style.color = 'rgb(128, 24, 48)';
	
	}
	if(a != 1){
	document.getElementById('1').style.backgroundColor = '#FFFFFF';
	document.getElementById('1').style.color = 'rgb(128, 24, 48)';
	
	}
	if(a != 2){
	document.getElementById('2').style.backgroundColor = '#FFFFFF';	
	document.getElementById('2').style.color = 'rgb(128, 24, 48)';
	
	}
	
	if(a != 3){
	document.getElementById('3').style.backgroundColor = '#FFFFFF';	
	document.getElementById('3').style.color = 'rgb(128, 24, 48)';
	
	}
	
	for(i=0;i<3;i++)
	    if(a != i){
		   slides[i].style.opacity='0';
		   slides[i].style.zIndex='0';
		   }
		else{
		if(browserCheck > 0)
		   slider.start('z-index', '0', '999');
		else
		   slider.start('opacity', '0', '1');
		   slides[i].style.zIndex='999';
		}
	
	document.getElementById(a + '').style.backgroundColor = 'rgb(128, 24, 48)';
	document.getElementById(a + '').style.color = '#FFFFFF';
}

function randomSlide(){
	var randomnumber=Math.floor(Math.random()*3)
	getSlide(randomnumber);
}

window.addEvent('domready', function() {
	
	$('search_input').addClass('empty').addEvents({
		focus:	function() {
			$('search').addClass('focus');
			$(this).removeClass('empty');
			if($(this).get('value') == 'Search Ropardo Research') $(this).set('value', '');
		},
		blur:	function() {
			$('search').removeClass('focus');
			if($(this).get('value').trim() == '') {
				$(this).addClass('empty');
				$(this).set('value', 'Search Ropardo Research');
			}
		}
	});
	
	
	slides = $$('#slider #panels div');
	
	$('slider').addEvent('click', function() {
		nextSlide();
		autoSlide();
	});
	
	news_content = JSON.decode($('news_holder').get('html'));
	
	news.start();
	
	//autoSlide();
	randomSlide();
	
});