//init page

var _currentTimelineItem, _maxTimelineItems;

$(function(){
	initLightbox();
  initNavigation();
	clearFormFields({
		clearInputs: true,
		clearTextareas: true,
		passwordFieldText: true,
		addClassFocus: "focus",
		filterClass: "default"
	});
  $('.slideshow').cycle({
    fx: 'fade',
    delay: 1000
	});
	$('div.article-list').galleryScroll({
		slideNum:'div.s2'
	});
  _maxTimelineItems = $('div.s2 a').length;
  $('div.s2 a').last().click();

  var arrowTimeout, arrowActive;
  $(document).mousemove(function() {
    $('div.timeline-left-arrow').css({'opacity': _currentTimelineItem == 0 ? 0 : 1});
    $('div.timeline-right-arrow').css({'opacity': _currentTimelineItem == _maxTimelineItems - 1 ? 0 : 1});
    if (!arrowActive) {
      if (_currentTimelineItem > 0) {
        $('div.timeline-arrow-container').animate({'opacity': 0.8}, 500);
      }
      if (_currentTimelineItem < _maxTimelineItems -1) {
        $('div.timeline-arrow-container').animate({'opacity': 0.8}, 500);
      }
    } 
    clearTimeout(arrowTimeout);
    arrowTimeout = setTimeout(function() {
      $('div.timeline-arrow-container').animate({'opacity': 0}, 500);
      arrowActive = false;
    }, 2500);
    arrowActive = true;
  });

  $('div.timeline-left-arrow').click(function() {
    clearTimeout(arrowTimeout);
    $($('div.s2 a')[_currentTimelineItem-1]).click();
  });
  $('div.timeline-right-arrow').click(function() {
    clearTimeout(arrowTimeout);
    $($('div.s2 a')[_currentTimelineItem+1]).click();
  });
});

function validate(form) {
	var f = jQuery(form), t = jQuery('.contact-form-thanks');
	t.css({'width':f.width()+'px', 'height':f.height()+'px', 'display':'block', 'opacity': 0});
	t.fadeTo(500, 1);
	f.css({'display':'none'});
  f.find('#slider').attr('value', 2 - 1 + "0");
	//return true;
}

function closePopup() {
  modalPopup.prototype.fader.click();
}

function initNavigation(){
	$('a[href="#companies"]').click(function(){$.scrollTo($('a[name=companies]'), 500); closePopup(); window.history.pushState({}, "Kynetic - Companies", "#companies"); return false;});
	$('a[href="#management"]').click(function(){$.scrollTo($('a[name=management]'), 500); closePopup(); window.history.pushState({}, "Kynetic - Management Team", "#management"); return false;});
	$('a[href="#management-2"]').click(function(){$.scrollTo($('a[name=management-2]'), 500); closePopup(); window.history.pushState({}, "Kynetic - Management Team", "#management-2"); return false;});
	$('a[href="#management-3"]').click(function(){$.scrollTo($('a[name=management-3]'), 500); closePopup(); window.history.pushState({}, "Kynetic - Management Team", "#management-3"); return false;});
	$('a[href="#news"]').click(function(){$.scrollTo($('a[name=news]'), 500); closePopup(); window.history.pushState({}, "Kynetic - News", "#news"); return false;});
	$('a[href="#contact"]').click(function(){$.scrollTo($('a[name=contact]'), 500); closePopup(); window.history.pushState({}, "Kynetic - Contact", "#contact"); return false;});
}

// clearFormFields
function clearFormFields(o){
	if (o.clearInputs == null) o.clearInputs = true;
	if (o.clearTextareas == null) o.clearTextareas = true;
	if (o.passwordFieldText == null) o.passwordFieldText = false;
	if (o.addClassFocus == null) o.addClassFocus = false;
	if (!o.filterClass) o.filterClass = "default";
	if(o.clearInputs) {
		var inputs = document.getElementsByTagName("input");
		for (var i = 0; i < inputs.length; i++ ) {
			if((inputs[i].type == "text" || inputs[i].type == "password") && inputs[i].className.indexOf(o.filterClass) == -1) {
				inputs[i].valueHtml = inputs[i].value;
				inputs[i].onfocus = function ()	{
					if(this.valueHtml == this.value) this.value = "";
					if(this.fake) {
						inputsSwap(this, this.previousSibling);
						this.previousSibling.focus();
					}
					if(o.addClassFocus && !this.fake) {
						this.className += " " + o.addClassFocus;
						this.parentNode.className += " parent-" + o.addClassFocus;
					}
				}
				inputs[i].onblur = function () {
					if(this.value == "") {
						this.value = this.valueHtml;
						if(o.passwordFieldText && this.type == "password") inputsSwap(this, this.nextSibling);
					}
					if(o.addClassFocus) {
						this.className = this.className.replace(o.addClassFocus, "");
						this.parentNode.className = this.parentNode.className.replace("parent-"+o.addClassFocus, "");
					}
				}
				if(o.passwordFieldText && inputs[i].type == "password") {
					var fakeInput = document.createElement("input");
					fakeInput.type = "text";
					fakeInput.value = inputs[i].value;
					fakeInput.className = inputs[i].className;
					fakeInput.fake = true;
					inputs[i].parentNode.insertBefore(fakeInput, inputs[i].nextSibling);
					inputsSwap(inputs[i], null);
				}
			}
		}
	}
	if(o.clearTextareas) {
		var textareas = document.getElementsByTagName("textarea");
		for(var i=0; i<textareas.length; i++) {
			if(textareas[i].className.indexOf(o.filterClass) == -1) {
				textareas[i].valueHtml = textareas[i].value;
				textareas[i].onfocus = function() {
					if(this.value == this.valueHtml) this.value = "";
					if(o.addClassFocus) {
						this.className += " " + o.addClassFocus;
						this.parentNode.className += " parent-" + o.addClassFocus;
					}
				}
				textareas[i].onblur = function() {
					if(this.value == "") this.value = this.valueHtml;
					if(o.addClassFocus) {
						this.className = this.className.replace(o.addClassFocus, "");
						this.parentNode.className = this.parentNode.className.replace("parent-"+o.addClassFocus, "");
					}
				}
			}
		}
	}
	function inputsSwap(el, el2) {
		if(el) el.style.display = "none";
		if(el2) el2.style.display = "inline";
	}
}

// init lightbox
function initLightbox(){
	jQuery('a.pop-up-link').each(function(){
		jQuery(this).modalPopup();
	});
};

//galleryScroll
jQuery.fn.galleryScroll = function(_options){
	var _options = jQuery.extend({
		btPrev: 'a.link-prev',
		btNext: 'a.link-next',
		holderList: 'div',
		scrollElParent: 'ul',
		scrollEl: 'li',
		slideNum: false,
		duration : 1000,
		step: false,
		circleSlide: true,
		disableClass: 'disable',
		funcOnclick: null,
		autoSlide:false,
		innerMargin:0,
		stepWidth:false
	},_options);
	return this.each(function(){
    var _transition = function(num, immediate) {
      _currentTimelineItem = num / 690;
      var offset = jQuery(window).width() - 690;
      if(immediate) {
        _animatedBlock.css({marginLeft: (offset-num)+"px"});
      } else {
        var idx = num / 690;
        _animatedBlock.animate({marginLeft: (offset-num)+"px", queue:false,duration: _options.duration});
        jQuery('.article-holder li').each(function(a,b){ 
          jQuery(b).unbind('click');
          jQuery(b).unbind('mouseover');
          jQuery(b).unbind('mouseout');
          if(a < idx) {
            jQuery(b).click(function() {
              jQuery(jQuery(_options.slideNum).find('a')[idx-1]).click();
              jQuery(this).css({'background-color': 'transparent', 'cursor': 'default'});
            }).mouseover(function() {
              jQuery(this).css({'background-color': 'rgba(0,0,0,0.2)', 'cursor': 'pointer'});
            }).mouseout(function() {
              jQuery(this).css({'background-color': 'transparent', 'cursor': 'default'});
            });
          }
        });
      }
    };
		var _this = jQuery(this);
		var _holderBlock = jQuery(_options.holderList,_this);
		var _gWidth = 690; //_holderBlock.width();
		var _animatedBlock = jQuery(_options.scrollElParent,_holderBlock);
		var _liWidth = 690; //jQuery(_options.scrollEl,_animatedBlock).outerWidth(true);
		var _liSum = jQuery(_options.scrollEl,_animatedBlock).length * _liWidth;
		var _margin = -_options.innerMargin;
		var f = 0;
		var _step = 0;
		var _autoSlide = _options.autoSlide;
		var _timerSlide = null;
		if (!_options.step) _step = _gWidth; else _step = _options.step*_liWidth;
		if (_options.stepWidth) _step = _options.stepWidth;
		if (!_options.circleSlide) {
			if (_options.innerMargin == _margin)
				jQuery(_options.btPrev,_this).addClass('prev-'+_options.disableClass);
		}
		if (_options.slideNum && !_options.step) {
			var _lastSection = 0;
			var _sectionWidth = 0;
			while(_sectionWidth < _liSum)
			{
				_sectionWidth = _sectionWidth + _gWidth;
				if(_sectionWidth > _liSum) {
				       _lastSection = _sectionWidth - _liSum;
				}
			}
		}
		if (_autoSlide) {
				_timerSlide = setTimeout(function(){
					autoSlide(_autoSlide);
				}, _autoSlide);
			_animatedBlock.hover(function(){
				clearTimeout(_timerSlide);
			}, function(){
				_timerSlide = setTimeout(function(){
					autoSlide(_autoSlide)
				}, _autoSlide);
			});
		}
		// click button 'Next'
		jQuery(_options.btNext,_this).bind('click',function(){
			jQuery(_options.btPrev,_this).removeClass('prev-'+_options.disableClass);
			if (!_options.circleSlide) {
				if (_margin + _step  > _liSum - _gWidth - _options.innerMargin) {
					if (_margin != _liSum - _gWidth - _options.innerMargin) {
						_margin = _liSum - _gWidth  + _options.innerMargin;
						jQuery(_options.btNext,_this).addClass('next-'+_options.disableClass);
						_f2 = 0;
					} 
				} else {
					_margin = _margin + _step;
					if (_margin == _liSum - _gWidth - _options.innerMargin) {
						jQuery(_options.btNext,_this).addClass('next-'+_options.disableClass);_f2 = 0;
					} 					
				}
			} else {
				if (_margin + _step  > _liSum - _gWidth + _options.innerMargin) {
					if (_margin != _liSum - _gWidth + _options.innerMargin) {
						_margin = _liSum - _gWidth  + _options.innerMargin;
					} else {
						_f2 = 1;
						_margin = -_options.innerMargin;
					}
				} else {
					_margin = _margin + _step;
					_f2 = 0;
				}
			} 

      _transition(_margin);

			if (_timerSlide) {
				clearTimeout(_timerSlide);
				_timerSlide = setTimeout(function(){
					autoSlide(_options.autoSlide)
				}, _options.autoSlide);
			}
			
			if (_options.slideNum && !_options.step) jQuery.fn.galleryScroll.numListActive(_margin,jQuery(_options.slideNum, _this),_gWidth,_lastSection);		
			if (jQuery.isFunction(_options.funcOnclick)) {
				_options.funcOnclick.apply(_this);
			}
			return false;
		});
		// click button 'Prev'
		var _f2 = 1;
		jQuery(_options.btPrev, _this).bind('click',function(){
			jQuery(_options.btNext,_this).removeClass('next-'+_options.disableClass);
			if (_margin - _step >= -_step - _options.innerMargin && _margin - _step <= -_options.innerMargin) {
				if (_f2 != 1) {
					_margin = -_options.innerMargin;
					_f2 = 1;
				} else {
					if (_options.circleSlide) {
						_margin = _liSum - _gWidth  + _options.innerMargin;
						f=1;_f2=0;
					} else {
						_margin = -_options.innerMargin
					}
				}
			} else if (_margin - _step < -_step + _options.innerMargin) {
				_margin = _margin - _step;
				f=0;
			}
			else {_margin = _margin - _step;f=0;};
			
			if (!_options.circleSlide && _margin == _options.innerMargin) {
				jQuery(this).addClass('prev-'+_options.disableClass);
				_f2=0;
			}
			
			if (!_options.circleSlide && _margin == -_options.innerMargin) jQuery(this).addClass('prev-'+_options.disableClass);

      _transition(_margin);
			
			if (_options.slideNum && !_options.step) jQuery.fn.galleryScroll.numListActive(_margin,jQuery(_options.slideNum, _this),_gWidth,_lastSection);
			
			if (_timerSlide) {
				clearTimeout(_timerSlide);
				_timerSlide = setTimeout(function(){
					autoSlide(_options.autoSlide)
				}, _options.autoSlide);
			}
			
			if (jQuery.isFunction(_options.funcOnclick)) {
				_options.funcOnclick.apply(_this);
			}
			return false;
		});
		
		if (_liSum <= _gWidth) {
			jQuery(_options.btPrev,_this).addClass('prev-'+_options.disableClass).unbind('click');
			jQuery(_options.btNext,_this).addClass('next-'+_options.disableClass).unbind('click');
		}
		// auto slide
		function autoSlide(autoSlideDuration){
			//if (_options.circleSlide) {
				jQuery(_options.btNext,_this).trigger('click');
			//}
		};
		// Number list
		jQuery.fn.galleryScroll.numListCreate = function(_elNumList, _liSumWidth, _width, _section){
			var _numListElC = '';
			var _num = 1;
			var _difference = _liSumWidth + _section;
			while(_difference > 0)
			{
				_numListElC += '<li><a href="">'+_num+'</a></li>';
				_num++;
				_difference = _difference - _width;
			}
			jQuery(_elNumList).html('<ul>'+_numListElC+'</ul>');
		};
		jQuery.fn.galleryScroll.numListActive = function(_marginEl, _slideNum, _width, _section){
			if (_slideNum) {
				jQuery('a',_slideNum).removeClass('active');
				var _activeRange = _width - _section-1;
				var _n = 0;
				if (_marginEl != 0) {
					while (_marginEl > _activeRange) {
						_activeRange = (_n * _width) -_section-1 + _options.innerMargin;
						_n++;
					}
				}
				var _a  = (_activeRange+_section+1 + _options.innerMargin)/_width - 1;
				jQuery('a',_slideNum).eq(_a).addClass('active');
			}
		};
		if (_options.slideNum && !_options.step) {
			jQuery.fn.galleryScroll.numListCreate(jQuery(_options.slideNum, _this), _liSum, _gWidth,_lastSection);
			jQuery.fn.galleryScroll.numListActive(_margin, jQuery(_options.slideNum, _this),_gWidth,_lastSection);
			numClick();
		};
		function numClick() {
			jQuery(_options.slideNum, _this).find('a').click(function(){
				jQuery(_options.btPrev,_this).removeClass('prev-'+_options.disableClass);
				jQuery(_options.btNext,_this).removeClass('next-'+_options.disableClass);
				
				var _indexNum = jQuery(_options.slideNum, _this).find('a').index(jQuery(this));
				_margin = (_step*_indexNum) - _options.innerMargin;
				f=0; _f2=0;
				if (_indexNum == 0) _f2=1;
				if (_margin + _step > _liSum) {
					_margin = _margin - (_margin - _liSum) - _step + _options.innerMargin;
					if (!_options.circleSlide) jQuery(_options.btNext, _this).addClass('next-'+_options.disableClass);
				}

        _transition(_margin);
				
				if (!_options.circleSlide && _margin==0) jQuery(_options.btPrev,_this).addClass('prev-'+_options.disableClass);
				jQuery.fn.galleryScroll.numListActive(_margin, jQuery(_options.slideNum, _this),_gWidth,_lastSection);
				
				if (_timerSlide) {
					clearTimeout(_timerSlide);
					_timerSlide = setTimeout(function(){
						autoSlide(_options.autoSlide)
					}, _options.autoSlide);
				}
				return false;
			});
		};
    jQuery(window).resize(function() {
      _transition(_margin, true);
    });
	});
}

//lightBoxPlagin
jQuery.fn.modalPopup = function(options){return new modalPopup(jQuery(this).eq(0),options)}
function modalPopup(link, options) {this.init(link,options)}
modalPopup.prototype = {
	init:function(link,options){
		var el = this;
		//options
		el.options = jQuery.extend({
			fadeSpeed:400,
			closer:'a.btn-close',
			scroll:false,
			wrapper:'#wrapper',
			IE:true,
			zIndex:999
		},options);
		//popup & default css styles
		if (jQuery.browser.msie && el.options.IE) el.popup = jQuery(link.attr('href')).css({visibility:'hidden'})
		else el.popup = jQuery(link.attr('href')).css({opacity:0,visibility:'hidden'});
		if (el.options.zIndex) el.popup.css({zIndex : el.options.zIndex});
		el.closer = jQuery(el.popup.find(el.options.closer));
		el.popup.visible = false;
		modalPopup.prototype.activePopup = false;
		if (!modalPopup.prototype.firstRun) {
			modalPopup.prototype.firstRun = 'done';
			if (jQuery.browser.msie && jQuery.browser.version < 7) modalPopup.prototype.selects = jQuery('select');
			//create fader
			if (!jQuery('#fader').length) jQuery('body').append('<div id="fader"></div>');
			modalPopup.prototype.fader = jQuery('#fader');
			modalPopup.prototype.fader.css({position:'absolute',top:0,left:0,background:'#000',opacity:0,display:'none'});
			if (el.options.zIndex) modalPopup.prototype.fader.css({zIndex : el.options.zIndex-1});
			modalPopup.prototype.wrapper = jQuery(el.options.wrapper);
			//fader click event
			modalPopup.prototype.fader.click(function(){
				if (modalPopup.prototype.activePopup == false) el.hideFader()
				else modalPopup.prototype.activePopup.hidePopup(function(){el.hideFader()});
				return false;
			});
			//esc event
			jQuery(document).keydown(function (e) {
				if (e.keyCode == 27) {
					if (modalPopup.prototype.activePopup == false) el.hideFader()
					else modalPopup.prototype.activePopup.hidePopup(function(){el.hideFader()});
					return false;
				}
			});
		}
		el.wrapper = modalPopup.prototype.wrapper;
		if (jQuery.browser.msie && jQuery.browser.version < 7) {
			el.popupSelects = jQuery('select',el.popup);
			modalPopup.prototype.selects = modalPopup.prototype.selects.not(el.popupSelects);
		}
		//open event
		link.click(function(){
			el.show();
			return false;
		});
		//close event
		el.closer.click(function(){
			el.close();
			return false;
		});
		//resize event
		jQuery(window).resize(function(){
			if (el.popup.visible) el.positioning(false);
		});
		if (el.options.scroll) {
			jQuery(window).scroll(function(){
				el.positioning(true);
			});
		}
	},
	close:function(){
		var el = this;
		el.hidePopup(function(){el.hideFader()});
	},
	show:function(){
		var el = this;
		if (modalPopup.prototype.activePopup == el) {return false;}
		if (modalPopup.prototype.activePopup) {
			modalPopup.prototype.activePopup.hidePopup(function(){
				el.showPopup()
				el.positioning(true);
			});
		} else {
			el.showFader(function(){el.showPopup()});
			el.positioning(true);
		}
	},
	showPopup:function(){
		var el = this;
		el.popup.visible = true;
		modalPopup.prototype.activePopup = el;
		if (jQuery.browser.msie && el.options.IE) el.popup.css({visibility:'visible'})
		else el.popup.stop().css({'visibility':'visible'}).animate({opacity:1},el.options.fadeSpeed)
	},
	hidePopup:function(callback){
		var el = this;
		if (jQuery.browser.msie && el.options.IE) {
			el.popup.css({left:'-9999px',top:'-9999px',visibility:'hidden'});
			el.popup.visible = false;
			modalPopup.prototype.activePopup = false;
			if (jQuery.isFunction(callback)) callback();
		} else {
			el.popup.stop().animate({opacity:0},el.options.fadeSpeed,function(){
				el.popup.css({left:'-9999px',top:'-9999px',visibility:'hidden'});
				el.popup.visible = false;
				modalPopup.prototype.activePopup = false;
				if (jQuery.isFunction(callback)) callback();
			});
		}
	},
	showFader:function(callback){
		var el = this;
		el.fader.stop().css({display:'block'}).animate({opacity:0.5},el.options.fadeSpeed,function(){
			if (jQuery.isFunction(callback)) callback();
		});
		if (jQuery.browser.msie && jQuery.browser.version < 7) modalPopup.prototype.selects.css({'visibility': 'hidden'});
	},
	hideFader:function(){
		var el = this;
		el.fader.stop().animate({opacity:0},el.options.fadeSpeed,function(){
			el.fader.css({display:'none'});
			if (jQuery.browser.msie && jQuery.browser.version < 7) modalPopup.prototype.selects.css({'visibility': 'visible'});
		});
	},
	positioning:function(openFlag){
		var el = this;
		//x offset
		var windowW = jQuery(window).width();
		var popupW = el.popup.outerWidth();
		var wrapperW = el.wrapper.outerWidth();
		if (windowW < wrapperW) {
			el.popup.css({left:wrapperW/2-popupW/2})
			el.fader.css({width:wrapperW});
		} else {
			 el.popup.css({left:windowW/2-popupW/2});
			 el.fader.css({width:windowW})
		}
		//y offset
		var docH;
		var windowH = jQuery(window).height();
		var wrapperH = el.wrapper.outerHeight();
		if (windowH < wrapperH) docH = wrapperH
		else docH = windowH;
		var popupH = el.popup.outerHeight();
		if (openFlag) {
			var popupH = el.popup.outerHeight();
			if (popupH < windowH) el.popup.css({top:windowH/2-popupH/2+jQuery(window).scrollTop()});
			else if (jQuery(window).scrollTop()+popupH > docH){
				el.popup.css({top:docH-popupH});
			} else {
				el.popup.css({top:jQuery(window).scrollTop()});
			}
		}
		el.fader.css({height:docH});
	}
};

// mobile browsers detect
browserPlatform = {
	platforms: [
		{
			// Blackberry <5
			uaString:['BlackBerry','midp'],
			cssFile:'blackberry.css'
		},
		{
			// Symbian phones
			uaString:['symbian','midp'],
			cssFile:'symbian.css'
		},
		{
			// Opera Mobile
			uaString:['opera','mobi'],
			cssFile:'opera.css'
		},
		{
			// IE Mobile <6
			uaString:['msie','ppc'],
			cssFile:'ieppc.css'
		},
		{
			// IE Mobile 6+
			uaString:'iemobile',
			cssFile:'iemobile.css'
		},
		{
			// Palm WebOS
			uaString:'webos',
			cssFile:'webos.css'
		},
		{
			// Android
			uaString:'Android',
			cssFile:'android.css'
		},
		{
			// Blackberry 6+
			uaString:['BlackBerry','6.0','mobi'],
			cssFile:'blackberry6.0.css'
		},
		{
			// iPad
			uaString:'ipad',
			cssFile:'ipad.css',
			miscHead:''
		},
		{
			// iPhone and other webkit browsers
			uaString:['safari','mobi'],
			cssFile:'safari.css',
			miscHead:''
		}
	],
	options: {
		cssPath:'css/',
		mobileCSS:'allmobile.css'
	},
	init:function(){
		this.checkMobile();
		this.parsePlatforms();
		return this;
	},
	checkMobile: function() {
		if(this.uaMatch('mobi') || this.uaMatch('midp') || this.uaMatch('ppc') || this.uaMatch('webos')) {
			this.attachStyles({cssFile:this.options.mobileCSS});
		}
	},
	parsePlatforms: function() {
		for(var i = 0; i < this.platforms.length; i++) {
			if(typeof this.platforms[i].uaString === 'string') {
				if(this.uaMatch(this.platforms[i].uaString)) {
					this.attachStyles(this.platforms[i]);
					break;
				}
			} else {
				for(var j = 0, allMatch = true; j < this.platforms[i].uaString.length; j++) {
					if(!this.uaMatch(this.platforms[i].uaString[j])) {
						allMatch = false;
					}
				}
				if(allMatch) {
					this.attachStyles(this.platforms[i]);
					break;
				}
			}
		}
	},
	attachStyles: function(platform) {
		if(platform.cssFile) {
			document.write('<link rel="stylesheet" href="' + this.options.cssPath + platform.cssFile + '" type="text/css"/>');
		}
		if(platform.miscHead) {
			document.write(platform.miscHead);
		}
	},
	uaMatch:function(str) {
		if(!this.ua) {
			this.ua = navigator.userAgent.toLowerCase();
		}
		return this.ua.indexOf(str.toLowerCase()) != -1;
	}
}.init();

/*
 * jQuery Cycle Lite Plugin
 * http://malsup.com/jquery/cycle/lite/
 * Copyright (c) 2008-2011 M. Alsup
 * Version: 1.3 (01-JUN-2011)
 * 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 v1.3.2 or later
 */
;(function($) {

var ver = 'Lite-1.3';

$.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) {
            window.console && 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() : {});
		var meta = $.isFunction($cont.data) ? $cont.data(opts.metaAttr) : null;
		if (meta)
			opts = $.extend(opts, meta);
            
        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}).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;});

        var txFn = $.fn.cycle.transitions[opts.fx];
		txFn && txFn($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();
        });

        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);
    $n.css(opts.cssBefore);
    var fn = function() {$n.animate(opts.animIn, opts.speedIn, opts.easeIn, cb)};
    $l.animate(opts.animOut, opts.speedOut, opts.easeOut, function() {
        $l.css(opts.cssAfter);
        if (!opts.sync) fn();
    });
    if (opts.sync) fn();
};

$.fn.cycle.transitions = {
    fade: function($cont, $slides, opts) {
		$slides.not(':eq(0)').hide();
		opts.cssBefore = { opacity: 0, display: 'block' };
		opts.cssAfter  = { display: 'none' };
		opts.animOut = { opacity: 0 };
		opts.animIn = { opacity: 1 };
    },
    fadeout: function($cont, $slides, opts) {
		opts.before.push(function(curr,next,opts,fwd) {
			$(curr).css('zIndex',opts.slideCount + (fwd === true ? 1 : 0));
			$(next).css('zIndex',opts.slideCount + (fwd === true ? 0 : 1));
		});
		$slides.not(':eq(0)').hide();
		opts.cssBefore = { opacity: 1, display: 'block', zIndex: 1 };
		opts.cssAfter  = { display: 'none', zIndex: 0 };
		opts.animOut = { opacity: 0 };
    }
};

$.fn.cycle.ver = function() { return ver; };

// @see: http://malsup.com/jquery/cycle/lite/
$.fn.cycle.defaults = {
	animIn:        {},
	animOut:       {},
	fx:           'fade',
    after:         null, 
    before:        null, 
	cssBefore:     {},
	cssAfter:      {},
    delay:         0,    
    fit:           0,    
    height:       'auto',
	metaAttr:     'cycle',
    next:          null, 
    pause:         0,    
    prev:          null, 
    speed:         1000, 
    slideExpr:     null,
    sync:          1,    
    timeout:       4000 
};

})(jQuery);


