//START Slide Show Indicators, 9/10/2008 By ACM
function slideshow_setup() {
	if($('slideshow')) {		
		active_slide = 0;
		fade_length = 5000;
		slides = $$('#slideshow .images li');
		max_val = slides.length;
		max_val = max_val - 1;
		slides.each(function(e) {
			if(e != slides[active_slide]) {
				e.setStyle('opacity', 0);
			}
		});
		slide_timer = fade_up.periodical(fade_length);
		slide_events(slide_timer);
		if($('slideshow').getProperty('class') == 'counter') {
			slide_counter();
			slide_clicks();
		}
	}
}

function fade_up() {
	if(active_slide == max_val) {
		active_slide = 0;
		slides.each(function(e) {
			if(e != slides[active_slide] && e != slides[max_val]) {
				e.setStyle('opacity', 0);
			}
			slides[max_val].fade('out');
		});
	} else {
		active_slide ++;
		fade_above = false;
		slides.each(function(e) {	
			if(fade_above == true){
				e.fade('out');
			}
			if(e == slides[active_slide]) {
				slides[active_slide].fade('in');
				fade_above = true;
			}
		
		});		
		//slides[active_slide].fade('in');
	}
	set_current();
}

function set_current(){
	if($$('.current')){
		$$('.current').toggleClass('current');
	}
	i = 0;
	$$('#slideshow_indicator li a').each(function(e) {
		if(i == active_slide){
			e.setProperty('class', 'current');
		}
		i++;
	});

}

function slide_counter() {
	new_li = '';
	slides.each(function(e) {
		e.li_rel = e.getProperty('rel');
		if((active_slide + 1) == e.li_rel) {
			new_li = new_li + '<li><a href="#" class="current">'+ e.li_rel +'</a></li>';
		} else {
			new_li = new_li + '<li><a href="#" class="">'+ e.li_rel +'</a></li>';
		}
	});
	new_li = new_li + '<li class="end"><a href="#" class="pause"><span>Pause</span></a></li>';
	$('slideshow_indicator').set('html', new_li);
}

function slide_clicks() {
	$$('#slideshow_indicator li a').each(function(e) {
	inner_span = e.getFirst();
		e.addEvent('click', function(i) {
			i.preventDefault();
			if(e.getFirst()){				
				if(inner_span.get('text') == 'Pause') {
					setState('paused');					
				} else {
					setState('play');
				}
			}else{
				active_slide = e.get('text')-2;
				//alert(active_slide);
				fade_up();
				//slide_timer = $clear(slide_timer);
				//slide_timer = fade_up.periodical(fade_length);				
			}
				
			
		});	
	});
}

function setState(x){
	if(x == 'paused'){
		inner_span.getParent().set('class', 'play');
		inner_span.set('text', 'Play');
		slide_timer = $clear(slide_timer);
	}else if(x == 'play'){
		inner_span.getParent().set('class', 'pause');
		inner_span.set('text', 'Pause')
		slide_timer = fade_up.periodical(fade_length);
	}		
}

function slide_events(x) {
	slides.each(function(e) {
		e.addEvents({
			'mouseenter': function(i) {
				i.preventDefault();
				//setState('paused');
			},
			'mouseleave': function(i) {
				i.preventDefault();
				//setState('play');
			}
		});
	});
}

//END Slide Show Indicators