window.addEvent('domready', function(){

	var scroll = new Fx.Scroll('slidewrapper', {
		wait: false,
		duration: 400,
		offset: {'x': 0, 'y': 0},
		transition: Fx.Transitions.Quad.easeInOut
	});
								
	var current_slide = 1;
	var max_slide = 5;
								
	$('btnSlide1').setStyle('text-decoration', 'underline');
								
	var addCounter = function(){
		if (current_slide == max_slide)
			current_slide = 1;
		else
			current_slide++;
		autoRotate(current_slide);
		highlightNum(current_slide);
	};
								
	var autoRotate = function(current_slide){
		scroll.toElement('slide'+current_slide);
		addCounter.delay(6500);
	};
								
	var highlightNum = function(current_slide){
		$('btnSlide1').setStyle('text-decoration', 'none');
		$('btnSlide2').setStyle('text-decoration', 'none');
		$('btnSlide3').setStyle('text-decoration', 'none');
		$('btnSlide4').setStyle('text-decoration', 'none');
		$('btnSlide5').setStyle('text-decoration', 'none');
		$('btnSlide'+current_slide).setStyle('text-decoration', 'underline');
	}; 

	$('btnPreSlide').addEvent('click', function(e) {
		new Event(e).stop();
		if (current_slide == 1)
			current_slide = max_slide;
		else
			current_slide = current_slide - 1;
		scroll.toElement('slide'+current_slide);
		highlightNum(current_slide);
	});
								
	$('btnNextSlide').addEvent('click', function(e) {
		new Event(e).stop();
		if (current_slide == max_slide)
			current_slide = 1;
		else
			current_slide = current_slide + 1;
		scroll.toElement('slide'+current_slide);
		highlightNum(current_slide);
	});
								
	$('btnSlide1').addEvent('click', function(e) {
		new Event(e).stop();
		current_slide = 1;
		scroll.toElement('slide'+current_slide);
		highlightNum(current_slide);
	});
								
	$('btnSlide2').addEvent('click', function(e) {
		new Event(e).stop();
		current_slide = 2;
		scroll.toElement('slide'+current_slide);
		highlightNum(current_slide);
	});
	
	$('btnSlide3').addEvent('click', function(e) {
		new Event(e).stop();
		current_slide = 3;
		scroll.toElement('slide'+current_slide);
		highlightNum(current_slide);
	});
	
	$('btnSlide4').addEvent('click', function(e) {
		new Event(e).stop();
		current_slide = 4;
		scroll.toElement('slide'+current_slide);
		highlightNum(current_slide);
	});
	
	$('btnSlide5').addEvent('click', function(e) {
		new Event(e).stop();
		current_slide = 5;
		scroll.toElement('slide'+current_slide);
		highlightNum(current_slide);
	});					
		autoRotate(current_slide);
});