/*
* jQuery Cycle Lite Plugin
* http://malsup.com/jquery/cycle/lite/
* Copyright (c) 2008 M. Alsup
* Version: 1.0 (06/08/2008)
* Dual licensed under the MIT and GPL licenses:
* http://www.opensource.org/licenses/mit-license.php
* http://www.gnu.org/licenses/gpl.html
* Requires: jQuery v1.2.3 or later
*/
;(function($) {

var ver = 'Lite-1.0';

$.fn.cycle = function(options) {
return this.each(function() {
options = options || {};

if (this.cycleTimeout) clearTimeout(this.cycleTimeout);
this.cycleTimeout = 0;
this.cyclePause = 0;

var $cont = $(this);
var $slides = options.slideExpr ? $(options.slideExpr, this) : $cont.children();
var els = $slides.get();
if (els.length < 2) {
		 if (window.console && window.console.log)
		 window.console.log('terminating; too few slides: ' + els.length);
		 return; // don't bother
		 }
		 
		 // support metadata plugin (v1.0 and v2.0)
		 var opts = $.extend({}, $.fn.cycle.defaults, options || {}, $.metadata ? $cont.metadata() : $.meta ? $cont.data() : {});
		 
		 opts.before = opts.before ? [opts.before] : [];
		 opts.after = opts.after ? [opts.after] : [];
		 opts.after.unshift(function(){ opts.busy=0; });
		 
		 // allow shorthand overrides of width, height and timeout
		 var cls = this.className;
		 opts.width = parseInt((cls.match(/w:(\d+)/)||[])[1]) || opts.width;
		 opts.height = parseInt((cls.match(/h:(\d+)/)||[])[1]) || opts.height;
		 opts.timeout = parseInt((cls.match(/t:(\d+)/)||[])[1]) || opts.timeout;
		 
		 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);
		 
		 var first = 0;
		 $slides.css({position: 'absolute', top:0, left:0}).hide().each(function(i) { 
		 $(this).css('z-index', els.length-i) 
		 });
		 
		 $(els[first]).css('opacity',1).show(); // opacity bit needed to handle reinit case
		 if ($.browser.msie) els[first].style.removeAttribute('filter');
		 
		 if (opts.fit && opts.width) 
		 $slides.width(opts.width);
		 if (opts.fit && opts.height && opts.height != 'auto') 
		 $slides.height(opts.height);
		 if (opts.pause) 
		 $cont.hover(function(){this.cyclePause=1;}, function(){this.cyclePause=0;});
		 
		 $.fn.cycle.transitions.fade($cont, $slides, opts);
		 
		 $slides.each(function() {
		 var $el = $(this);
		 this.cycleH = (opts.fit && opts.height) ? opts.height : $el.height();
		 this.cycleW = (opts.fit && opts.width) ? opts.width : $el.width();
		 });
		 
		 $slides.not(':eq('+first+')').css({opacity:0});
		 if (opts.cssFirst)
		 $($slides[first]).css(opts.cssFirst);
		 
		 if (opts.timeout) {
		 // ensure that timeout and speed settings are sane
		 if (opts.speed.constructor == String)
		 opts.speed = {slow: 600, fast: 200}[opts.speed] || 400;
		 if (!opts.sync)
		 opts.speed = opts.speed / 2;
		 while((opts.timeout - opts.speed) < 250)
						     opts.timeout += opts.speed;
						     }
						     opts.speedIn = opts.speed;
						     opts.speedOut = opts.speed;
						     
						     opts.slideCount = els.length;
						     opts.currSlide = first;
						     opts.nextSlide = 1;
						     
						     // fire artificial events
						     var e0 = $slides[first];
						     if (opts.before.length)
						     opts.before[0].apply(e0, [e0, e0, opts, true]);
						     if (opts.after.length > 1)
			 opts.after[1].apply(e0, [e0, e0, opts, true]);
			 
			 if (opts.click && !opts.next)
			 opts.next = opts.click;
			 if (opts.next)
			 $(opts.next).bind('click', function(){return advance(els,opts,opts.rev?-1:1)});
			 if (opts.prev)
			 $(opts.prev).bind('click', function(){return advance(els,opts,opts.rev?1:-1)});
			 
			 if (opts.timeout)
			 this.cycleTimeout = setTimeout(function() {
			 go(els,opts,0,!opts.rev)
			 }, opts.timeout + (opts.delay||0));
			 });
			 };
			 
			 function go(els, opts, manual, fwd) {
			 if (opts.busy) return;
			 var p = els[0].parentNode, curr = els[opts.currSlide], next = els[opts.nextSlide];
			 if (p.cycleTimeout === 0 && !manual) 
			 return;
			 
			 if (manual || !p.cyclePause) {
			 if (opts.before.length)
			 $.each(opts.before, function(i,o) { o.apply(next, [curr, next, opts, fwd]); });
			 var after = function() {
			 if ($.browser.msie)
			 this.style.removeAttribute('filter');
			 $.each(opts.after, function(i,o) { o.apply(next, [curr, next, opts, fwd]); });
			 };
			 
			 if (opts.nextSlide != opts.currSlide) {
			 opts.busy = 1;
			 $.fn.cycle.custom(curr, next, opts, after);
			 }
			 var roll = (opts.nextSlide + 1) == els.length;
			 opts.nextSlide = roll ? 0 : opts.nextSlide+1;
			 opts.currSlide = roll ? els.length-1 : opts.nextSlide-1;
			 }
			 if (opts.timeout)
			 p.cycleTimeout = setTimeout(function() { go(els,opts,0,!opts.rev) }, opts.timeout);
			 };
			 
			 // advance slide forward or back
			 function advance(els, opts, val) {
			 var p = els[0].parentNode, timeout = p.cycleTimeout;
			 if (timeout) {
			 clearTimeout(timeout);
			 p.cycleTimeout = 0;
			 }
			 opts.nextSlide = opts.currSlide + val;
			 if (opts.nextSlide < 0) {
					      opts.nextSlide = els.length - 1;
					      }
					      else if (opts.nextSlide >= els.length) {
				 opts.nextSlide = 0;
				 }
				 go(els, opts, 1, val>=0);
				 return false;
				 };
				 
				 $.fn.cycle.custom = function(curr, next, opts, cb) {
				 var $l = $(curr), $n = $(next);
				 $n.css({opacity:0});
				 var fn = function() {$n.animate({opacity:1}, opts.speedIn, opts.easeIn, cb)};
				 $l.animate({opacity:0}, opts.speedOut, opts.easeOut, function() {
				 $l.css({display:'none'});
				 if (!opts.sync) fn();
				 });
				 if (opts.sync) fn();
				 };
				 
				 $.fn.cycle.transitions = {
				 fade: function($cont, $slides, opts) {
				 $slides.not(':eq(0)').css('opacity',0);
				 opts.before.push(function() { $(this).show() });
				 }
				 };
				 
				 $.fn.cycle.ver = function() { return ver; };
				 
				 // @see: http://malsup.com/jquery/cycle/lite/
				 $.fn.cycle.defaults = {
				 timeout:       4000, 
				 speed:         1000, 
				 next:          null, 
				 prev:          null, 
				 before:        null, 
				 after:         null, 
				 height:       'auto',
				 sync:          1,    
				 fit:           0,    
				 pause:         0,    
				 delay:         0,    
				 slideExpr:     null  
				 };
				 
				 })(jQuery);