/*!
 * jQuery Cycle Plugin (with Transition Definitions)
 * Examples and documentation at: http://jquery.malsup.com/cycle/
 * Copyright (c) 2007-2010 M. Alsup
 * Version: 2.88 (08-JUN-2010)
 * Dual licensed under the MIT and GPL licenses.
 * http://jquery.malsup.com/license.html
 * Requires: jQuery v1.2.6 or later
 */
;(function($) {

var ver = '2.88';

$.fn.cycle = function(options, arg2) {
	var o = { s: this.selector, c: this.context };
	return this.each(function() {
		var opts = handleArguments(this, options, arg2);
		if (opts === false)
			return;
		var $cont = $(this);
		var $slides = opts.slideExpr ? $(opts.slideExpr, this) : $cont.children();
		var els = $slides.get();
		var opts2 = buildOptions($cont, $slides, els, opts, o);
		if (opts2 === false)
			return;
		var startTime = opts2.continuous ? 10 : getTimeout(els[opts2.currSlide], els[opts2.nextSlide], opts2, !opts2.rev);
		if (startTime) {
			startTime += (opts2.delay || 0);
			if (startTime < 10)
				startTime = 10;
			this.cycleTimeout = setTimeout(function(){go(els,opts2,0,(!opts2.rev && !opts.backwards))}, startTime);
		}
	});
};
function handleArguments(cont, options, arg2) {
	if (cont.cycleStop == undefined)
		cont.cycleStop = 0;
	if (options.constructor == String) {
		switch(options) {
		default:
			options = { fx: options };
		};
		return options;
	}
	else 
	return options;	
	function checkInstantResume(isPaused, arg2, cont) {
		if (!isPaused && arg2 === true) { 
			var options = $(cont).data('cycle.opts');
			if (!options) {
				log('options not found, can not resume');
				return false;
			}
			if (cont.cycleTimeout) {
				clearTimeout(cont.cycleTimeout);
				cont.cycleTimeout = 0;
			}
			go(options.elements, options, 1, (!opts.rev && !opts.backwards));
		}
	}
};
function buildOptions($cont, $slides, els, options, o) {
	var opts = $.extend({}, $.fn.cycle.defaults, options || {}, $.metadata ? $cont.metadata() : $.meta ? $cont.data() : {});
	if (opts.autostop)
		opts.countdown = opts.autostopCount || els.length;
	var cont = $cont[0];
	$cont.data('cycle.opts', opts);
	opts.$cont = $cont;
	opts.stopCount = cont.cycleStop;
	opts.elements = els;
	opts.before = opts.before ? [opts.before] : [];
	opts.after = opts.after ? [opts.after] : [];
	opts.after.unshift(function(){ opts.busy=0; });
	if (!$.support.opacity && opts.cleartype)
		opts.after.push(function() { removeFilter(this, opts); });
	if (opts.continuous)
		opts.after.push(function() { go(els,opts,0,(!opts.rev && !opts.backwards)); });
	if ($cont.css('position') == 'static')
		$cont.css('position', 'relative');
	if (opts.width)
		$cont.width(opts.width);
	if (opts.height && opts.height != 'auto')
		$cont.height(opts.height);
	if (opts.startingSlide)
		opts.startingSlide = parseInt(opts.startingSlide);
	else if (opts.backwards)
		opts.startingSlide = els.length - 1;
	if (opts.random) {
		opts.randomMap = [];
		for (var i = 0; i < els.length; i++)
			opts.randomMap.push(i);
		opts.randomMap.sort(function(a,b) {return Math.random() - 0.5;});
		opts.randomIndex = 1;
		opts.startingSlide = opts.randomMap[1];
	}
	else if (opts.startingSlide >= els.length)
		opts.startingSlide = 0; 
	opts.currSlide = opts.startingSlide || 0;
	var first = opts.startingSlide;
	$slides.css({position: 'absolute', top:0, left:0}).hide().each(function(i) {
		var z;
		if (opts.backwards)
			z = first ? i <= first ? els.length + (i-first) : first-i : els.length-i;
		else
			z = first ? i >= first ? els.length - (i-first) : first-i : els.length-i;
		$(this).css('z-index', z)
	});
	$(els[first]).css('opacity',1).show();
	if (opts.fit && opts.width)
		$slides.width(opts.width);
	if (opts.fit && opts.height && opts.height != 'auto')
		$slides.height(opts.height);
	var reshape = opts.containerResize && !$cont.innerHeight();
	if (reshape) { 
		var maxw = 0, maxh = 0;
		for(var j=0; j < els.length; j++) {
			var $e = $(els[j]), e = $e[0], w = $e.outerWidth(), h = $e.outerHeight();
			if (!w) w = e.offsetWidth || e.width || $e.attr('width')
			if (!h) h = e.offsetHeight || e.height || $e.attr('height');
			maxw = w > maxw ? w : maxw;
			maxh = h > maxh ? h : maxh;
		}
		if (maxw > 0 && maxh > 0)
			$cont.css({width:maxw+'px',height:maxh+'px'});
	}
	if (opts.pause)
		$cont.hover(function(){this.cyclePause++;},function(){this.cyclePause--;});
	var requeue = false;
	options.requeueAttempts = options.requeueAttempts || 0;
	$slides.each(function() {
		var $el = $(this);
		this.cycleH = (opts.fit && opts.height) ? opts.height : ($el.height() || this.offsetHeight || this.height || $el.attr('height') || 0);
		this.cycleW = (opts.fit && opts.width) ? opts.width : ($el.width() || this.offsetWidth || this.width || $el.attr('width') || 0);
		if ( $el.is('img') ) {
			var loadingIE	= ($.browser.msie  && this.cycleW == 28 && this.cycleH == 30 && !this.complete);
			var loadingFF	= ($.browser.mozilla && this.cycleW == 34 && this.cycleH == 19 && !this.complete);
			var loadingOp	= ($.browser.opera && ((this.cycleW == 42 && this.cycleH == 19) || (this.cycleW == 37 && this.cycleH == 17)) && !this.complete);
			var loadingOther = (this.cycleH == 0 && this.cycleW == 0 && !this.complete);
			if (loadingIE || loadingFF || loadingOp || loadingOther) {
				if (o.s && opts.requeueOnImageNotLoaded && ++options.requeueAttempts < 100) { 
					log(options.requeueAttempts,' - img slide not loaded, requeuing slideshow: ', this.src, this.cycleW, this.cycleH);
					setTimeout(function() {$(o.s,o.c).cycle(options)}, opts.requeueTimeout);
					requeue = true;
					return false;
				}
				else {
					log('could not determine size of image: '+this.src, this.cycleW, this.cycleH);
				}
			}
		}
		return true;
	});
	if (requeue)
		return false;
	opts.cssBefore = opts.cssBefore || {};
	opts.animIn = opts.animIn || {};
	opts.animOut = opts.animOut || {};
	$slides.not(':eq('+first+')').css(opts.cssBefore);
	if (opts.cssFirst)
		$($slides[first]).css(opts.cssFirst);
	if (opts.timeout) {
		opts.timeout = parseInt(opts.timeout);
		if (opts.speed.constructor == String)
			opts.speed = $.fx.speeds[opts.speed] || parseInt(opts.speed);
		if (!opts.sync)
			opts.speed = opts.speed / 2;		
		var buffer = opts.fx == 'shuffle' ? 500 : 250;
		while((opts.timeout - opts.speed) < buffer)
			opts.timeout += opts.speed;
	}
	opts.slideCount = els.length;
	opts.currSlide = opts.lastSlide = first;
	if (opts.random) {
		if (++opts.randomIndex == els.length)
			opts.randomIndex = 0;
		opts.nextSlide = opts.randomMap[opts.randomIndex];
	}
	else
		opts.nextSlide = opts.startingSlide >= (els.length-1) ? 0 : opts.startingSlide+1;
	if (!opts.multiFx) {
		var init = $.fn.cycle.transitions[opts.fx];
		if ($.isFunction(init))
			init($cont, $slides, opts);
		else if (opts.fx != 'custom' && !opts.multiFx) {
			log('unknown transition: ' + opts.fx,'; slideshow terminating');
			return false;
		}
	}
	return opts;
};
function go(els, opts, manual, fwd) {
	var p = opts.$cont[0], curr = els[opts.currSlide], next = els[opts.nextSlide];
	var changed = false;
	if ((manual || !p.cyclePause) && (opts.nextSlide != opts.currSlide)) {
		changed = true;
		var fx = opts.fx;
		curr.cycleH = curr.cycleH || $(curr).height();
		curr.cycleW = curr.cycleW || $(curr).width();
		next.cycleH = next.cycleH || $(next).height();
		next.cycleW = next.cycleW || $(next).width();
		if (opts.before.length)
			$.each(opts.before, function(i,o) {
				if (p.cycleStop != opts.stopCount) return;
				o.apply(next, [curr, next, opts, fwd]);
			});
		var after = function() {
			$.each(opts.after, function(i,o) {
				if (p.cycleStop != opts.stopCount) return;
				o.apply(next, [curr, next, opts, fwd]);
			});
		};
		opts.busy = 1;
		if (opts.fxFn)
			opts.fxFn(curr, next, opts, after, fwd, manual && opts.fastOnEvent);
		else if($.isFunction($.fn.cycle[opts.fx]))
			$.fn.cycle[opts.fx](curr, next, opts, after, fwd, manual && opts.fastOnEvent);
		else
			$.fn.cycle.custom(curr, next, opts, after, fwd, manual && opts.fastOnEvent);
	}
	if (changed || opts.nextSlide == opts.currSlide) {
		opts.lastSlide = opts.currSlide;
		if (opts.random) {
			opts.currSlide = opts.nextSlide;
			if (++opts.randomIndex == els.length)
				opts.randomIndex = 0;
			opts.nextSlide = opts.randomMap[opts.randomIndex];
			if (opts.nextSlide == opts.currSlide)
				opts.nextSlide = (opts.currSlide == opts.slideCount - 1) ? 0 : opts.currSlide + 1;
		}
		else { 
			var roll = (opts.nextSlide + 1) == els.length;
			if (roll && opts.bounce) {
				opts.backwards = !opts.backwards;
				opts.nextSlide = els.length-2;
				opts.currSlide = els.length-1;
			}
			else {
				opts.nextSlide = roll ? 0 : opts.nextSlide+1;
				opts.currSlide = roll ? els.length-1 : opts.nextSlide-1;
			}
		}
	}
	var ms = 0;
	if (opts.timeout && !opts.continuous)
		ms = getTimeout(els[opts.currSlide], els[opts.nextSlide], opts, fwd);
	else if (opts.continuous && p.cyclePause) 
		ms = 10;
	if (ms > 0)
		p.cycleTimeout = setTimeout(function(){ go(els, opts, 0, (!opts.rev && !opts.backwards)) }, ms);
};
function getTimeout(curr, next, opts, fwd) {
	if (opts.timeoutFn) {
		var t = opts.timeoutFn.call(curr,curr,next,opts,fwd);
		while ((t - opts.speed) < 250)
			t += opts.speed;
		if (t !== false)
			return t;
	}
	return opts.timeout;
};
$.fn.cycle.commonReset = function(curr,next,opts,w,h,rev) {
	$(opts.elements).not(curr).hide();
	opts.cssBefore.opacity = 1;
	opts.cssBefore.display = 'block';
	if (w !== false && next.cycleW > 0)
		opts.cssBefore.width = next.cycleW;
	if (h !== false && next.cycleH > 0)
		opts.cssBefore.height = next.cycleH;
	opts.cssAfter = opts.cssAfter || {};
	opts.cssAfter.display = 'none';
	$(curr).css('zIndex',opts.slideCount + (rev === true ? 1 : 0));
	$(next).css('zIndex',opts.slideCount + (rev === true ? 0 : 1));
};
$.fn.cycle.custom = function(curr, next, opts, cb, fwd, speedOverride) {
	var $l = $(curr), $n = $(next);
	var speedIn = opts.speedIn, speedOut = opts.speedOut, easeIn = opts.easeIn, easeOut = opts.easeOut;
	$n.css(opts.cssBefore);
	if (speedOverride) {
		if (typeof speedOverride == 'number')
			speedIn = speedOut = speedOverride;
		else
			speedIn = speedOut = 1;
		easeIn = easeOut = null;
	}
	var fn = function() {$n.animate(opts.animIn, speedIn, easeIn, cb)};
	$l.animate(opts.animOut, speedOut, easeOut, function() {
		if (opts.cssAfter) $l.css(opts.cssAfter);
		if (!opts.sync) fn();
	});
	if (opts.sync) fn();
};
$.fn.cycle.transitions = {
	fade: function($cont, $slides, opts) {
		$slides.not(':eq('+opts.currSlide+')').css('opacity',0);
		opts.before.push(function(curr,next,opts) {
			$.fn.cycle.commonReset(curr,next,opts);
			opts.cssBefore.opacity = 0;
		});
		opts.animIn	   = { opacity: 1 };
		opts.animOut   = { opacity: 0 };
		opts.cssBefore = { top: 0, left: 0 };
	}
};
$.fn.cycle.defaults = {
	fx:			  'fade',
	timeout:	   10000,
	continuous:	   0,
	speed:		   1000,
	height:		  'auto',
	startingSlide: 0,
	sync:		   1,
	fit:		   0,
	delay:		   0,
	cleartype:	   !$.support.opacity,
	
};
})(jQuery);
