// page init
$(function() {
	initSlideShow();
	initHomeGallery();
});

// gallery function
function initHomeGallery() {
	// settings
	var _activeClass = 'active';
	var _switchTime = 5000;
	var _slideSpeed = 650;
	var _fadeSpeed = 200;

	$('div#home-gallery').each(function(){
		// gallery options
		var _holder = $(this);
		var _paginationLinks = _holder.find('ul#nav a');
		var _slidesHolder = _holder.find('.home-flash');
		var _slides = _slidesHolder.children();
		var _slidesCount = _slides.length;
		var _slideWidth = _slidesHolder.width();
		var _currentIndex = 0;
		var _oldIndex = 0;
		var _timer;

		// gallery init
		_currentIndex = _paginationLinks.index(_paginationLinks.filter('.'+_activeClass).eq(0));
		if(_currentIndex<0) _currentIndex=0;
		_slides.css({
			position:'absolute',
			left:0,
			top:0
		});
		_slides.hide().eq(_currentIndex).show();

		// gallery control
		_paginationLinks.each(function(_ind){
			$(this).hover(function(){
				slideNum(_ind);
				return false;
			});
		});

		// gallery animation
		function prevSlide() {
			_oldIndex = _currentIndex;
			if(_currentIndex > 0) _currentIndex--;
			else _currentIndex = _slidesCount-1;
			switchSlide();
		}
		function nextSlide() {
			_oldIndex = _currentIndex;
			if(_currentIndex < _slidesCount-1) _currentIndex++;
			else _currentIndex = 0;
			switchSlide();
		}
		function slideNum(_number) {
			if(_number != _currentIndex) {
				_oldIndex = _currentIndex;
				_currentIndex = _number;
				switchSlide();
			}
		}
		function switchSlide() {
			_slides.removeClass(_activeClass).eq(_currentIndex).addClass(_activeClass);
			var _prevSlide = _slides.eq(_oldIndex);
			var _nextSlide = _slides.eq(_currentIndex);

			_prevSlide.fadeOut(_fadeSpeed);
			_nextSlide.css({left:-_slideWidth}).show();
			_nextSlide.animate({left:0},{duration:_slideSpeed, queue:false,easing:'easeOutExpo'});
			updatePagination();
			autoSlide();
		}
		function updatePagination() {
			_paginationLinks.removeClass(_activeClass).eq(_currentIndex).addClass(_activeClass)
		}
		function autoSlide() {
			if(_timer) clearTimeout(_timer);
			_timer = setTimeout(nextSlide,_switchTime);
		}

		_slidesHolder.hover(function(){
			if(_timer) clearTimeout(_timer);
		},function(){
			autoSlide();
		});
		autoSlide();
	});
}

// slideshow function
function initSlideShow() {
	var _cookieName = 'slideshowstate';
	var _activeClass = 'active';
	var _fadeSpeed = 1250;
	var _switchTime = 3040;

	$('div.slide-show').each(function(){
		var _holder = $(this);
		var _opener = _holder.find('.open-close');
		var _slider = _holder.find('.slider');
		var _slides = _slider.find('li');
		var _slideCount = _slides.length;
		var _oldIndex = 0;
		var _currentIndex = 0;
		var _timer;
		_slides.hide().eq(_currentIndex).show();

		function nextSlide() {
			_oldIndex = _currentIndex;
			if(_currentIndex<_slideCount-1) {
				_currentIndex++;
				_slides.eq(_oldIndex).fadeOut(_fadeSpeed);
				_slides.eq(_currentIndex).fadeIn(_fadeSpeed);
				_slides.removeClass(_activeClass).eq(_currentIndex).addClass(_activeClass);
				_timer = setTimeout(function(){nextSlide()},_switchTime);
			} else {
				_slider.slideUp(_fadeSpeed,function(){
					_holder.removeClass(_activeClass);
					_currentIndex = 0;
					_slides.hide().removeClass(_activeClass).eq(_currentIndex).show().addClass(_activeClass);
				});
			}
		}

		function startSlideshow() {
			if(_timer) clearTimeout(_timer);
			_timer = setTimeout(function(){nextSlide()},_switchTime);
		}

		_opener.click(function(){
			if(_holder.hasClass(_activeClass)) {
				_holder.removeClass(_activeClass);
				_slider.slideUp(_fadeSpeed);
				if(_timer) clearTimeout(_timer);
			} else {
				_holder.addClass(_activeClass);
				_slider.slideDown(_fadeSpeed);
				startSlideshow();
			}
			return false;
		});

		// slideshow control
		if(getCookie(_cookieName)) {
			_holder.removeClass(_activeClass);
			_slider.hide();
		} else {
			setCookie(_cookieName,1,30000,'/');
			_holder.addClass(_activeClass);
			_slider.show();
			startSlideshow();
		}
	});
}

// cookies
function getCookie( name ) {
	var start = document.cookie.indexOf( name + "=" );
	var len = start + name.length + 1;
	if ( ( !start ) && ( name != document.cookie.substring( 0, name.length ) ) ) {
		return null;
	}

	if ( start == -1 ) return null;
	var end = document.cookie.indexOf( ';', len );
	if ( end == -1 ) end = document.cookie.length;
	return unescape( document.cookie.substring( len, end ) );
}

function setCookie( name, value, expires, path, domain, secure ) {
	var today = new Date();
	today.setTime( today.getTime() );
	if ( expires ) {
		expires = expires * 1000 * 60 * 60 * 24;
	}
	var expires_date = new Date( today.getTime() + (expires) );
	document.cookie = name+'='+escape( value ) +
		( ( expires ) ? ';expires='+expires_date.toGMTString() : '' ) + //expires.toGMTString()
		( ( path ) ? ';path=' + path : '' ) +
		( ( domain ) ? ';domain=' + domain : '' ) +
		( ( secure ) ? ';secure' : '' );
}

function deleteCookie( name, path, domain ) {
	if ( getCookie( name ) ) document.cookie = name + '=' +
			( ( path ) ? ';path=' + path : '') +
			( ( domain ) ? ';domain=' + domain : '' ) +
			';expires=Thu, 01-Jan-1970 00:00:01 GMT';
}

/*
 * jQuery Easing v1.3 - http://gsgd.co.uk/sandbox/jquery/easing/
*/

// t: current time, b: begInnIng value, c: change In value, d: duration
jQuery.easing['jswing'] = jQuery.easing['swing'];

jQuery.extend( jQuery.easing,
{
	def: 'easeOutQuad',
	swing: function (x, t, b, c, d) {
		//alert(jQuery.easing.default);
		return jQuery.easing[jQuery.easing.def](x, t, b, c, d);
	},
	easeInQuad: function (x, t, b, c, d) {
		return c*(t/=d)*t + b;
	},
	easeOutQuad: function (x, t, b, c, d) {
		return -c *(t/=d)*(t-2) + b;
	},
	easeInOutQuad: function (x, t, b, c, d) {
		if ((t/=d/2) < 1) return c/2*t*t + b;
		return -c/2 * ((--t)*(t-2) - 1) + b;
	},
	easeInCubic: function (x, t, b, c, d) {
		return c*(t/=d)*t*t + b;
	},
	easeOutCubic: function (x, t, b, c, d) {
		return c*((t=t/d-1)*t*t + 1) + b;
	},
	easeInOutCubic: function (x, t, b, c, d) {
		if ((t/=d/2) < 1) return c/2*t*t*t + b;
		return c/2*((t-=2)*t*t + 2) + b;
	},
	easeInQuart: function (x, t, b, c, d) {
		return c*(t/=d)*t*t*t + b;
	},
	easeOutQuart: function (x, t, b, c, d) {
		return -c * ((t=t/d-1)*t*t*t - 1) + b;
	},
	easeInOutQuart: function (x, t, b, c, d) {
		if ((t/=d/2) < 1) return c/2*t*t*t*t + b;
		return -c/2 * ((t-=2)*t*t*t - 2) + b;
	},
	easeInQuint: function (x, t, b, c, d) {
		return c*(t/=d)*t*t*t*t + b;
	},
	easeOutQuint: function (x, t, b, c, d) {
		return c*((t=t/d-1)*t*t*t*t + 1) + b;
	},
	easeInOutQuint: function (x, t, b, c, d) {
		if ((t/=d/2) < 1) return c/2*t*t*t*t*t + b;
		return c/2*((t-=2)*t*t*t*t + 2) + b;
	},
	easeInSine: function (x, t, b, c, d) {
		return -c * Math.cos(t/d * (Math.PI/2)) + c + b;
	},
	easeOutSine: function (x, t, b, c, d) {
		return c * Math.sin(t/d * (Math.PI/2)) + b;
	},
	easeInOutSine: function (x, t, b, c, d) {
		return -c/2 * (Math.cos(Math.PI*t/d) - 1) + b;
	},
	easeInExpo: function (x, t, b, c, d) {
		return (t==0) ? b : c * Math.pow(2, 10 * (t/d - 1)) + b;
	},
	easeOutExpo: function (x, t, b, c, d) {
		return (t==d) ? b+c : c * (-Math.pow(2, -10 * t/d) + 1) + b;
	},
	easeInOutExpo: function (x, t, b, c, d) {
		if (t==0) return b;
		if (t==d) return b+c;
		if ((t/=d/2) < 1) return c/2 * Math.pow(2, 10 * (t - 1)) + b;
		return c/2 * (-Math.pow(2, -10 * --t) + 2) + b;
	},
	easeInCirc: function (x, t, b, c, d) {
		return -c * (Math.sqrt(1 - (t/=d)*t) - 1) + b;
	},
	easeOutCirc: function (x, t, b, c, d) {
		return c * Math.sqrt(1 - (t=t/d-1)*t) + b;
	},
	easeInOutCirc: function (x, t, b, c, d) {
		if ((t/=d/2) < 1) return -c/2 * (Math.sqrt(1 - t*t) - 1) + b;
		return c/2 * (Math.sqrt(1 - (t-=2)*t) + 1) + b;
	},
	easeInElastic: function (x, t, b, c, d) {
		var s=1.70158;var p=0;var a=c;
		if (t==0) return b;  if ((t/=d)==1) return b+c;  if (!p) p=d*.3;
		if (a < Math.abs(c)) { a=c; var s=p/4; }
		else var s = p/(2*Math.PI) * Math.asin (c/a);
		return -(a*Math.pow(2,10*(t-=1)) * Math.sin( (t*d-s)*(2*Math.PI)/p )) + b;
	},
	easeOutElastic: function (x, t, b, c, d) {
		var s=1.70158;var p=0;var a=c;
		if (t==0) return b;  if ((t/=d)==1) return b+c;  if (!p) p=d*.3;
		if (a < Math.abs(c)) { a=c; var s=p/4; }
		else var s = p/(2*Math.PI) * Math.asin (c/a);
		return a*Math.pow(2,-10*t) * Math.sin( (t*d-s)*(2*Math.PI)/p ) + c + b;
	},
	easeInOutElastic: function (x, t, b, c, d) {
		var s=1.70158;var p=0;var a=c;
		if (t==0) return b;  if ((t/=d/2)==2) return b+c;  if (!p) p=d*(.3*1.5);
		if (a < Math.abs(c)) { a=c; var s=p/4; }
		else var s = p/(2*Math.PI) * Math.asin (c/a);
		if (t < 1) return -.5*(a*Math.pow(2,10*(t-=1)) * Math.sin( (t*d-s)*(2*Math.PI)/p )) + b;
		return a*Math.pow(2,-10*(t-=1)) * Math.sin( (t*d-s)*(2*Math.PI)/p )*.5 + c + b;
	},
	easeInBack: function (x, t, b, c, d, s) {
		if (s == undefined) s = 1.70158;
		return c*(t/=d)*t*((s+1)*t - s) + b;
	},
	easeOutBack: function (x, t, b, c, d, s) {
		if (s == undefined) s = 1.70158;
		return c*((t=t/d-1)*t*((s+1)*t + s) + 1) + b;
	},
	easeInOutBack: function (x, t, b, c, d, s) {
		if (s == undefined) s = 1.70158;
		if ((t/=d/2) < 1) return c/2*(t*t*(((s*=(1.525))+1)*t - s)) + b;
		return c/2*((t-=2)*t*(((s*=(1.525))+1)*t + s) + 2) + b;
	},
	easeInBounce: function (x, t, b, c, d) {
		return c - jQuery.easing.easeOutBounce (x, d-t, 0, c, d) + b;
	},
	easeOutBounce: function (x, t, b, c, d) {
		if ((t/=d) < (1/2.75)) {
			return c*(7.5625*t*t) + b;
		} else if (t < (2/2.75)) {
			return c*(7.5625*(t-=(1.5/2.75))*t + .75) + b;
		} else if (t < (2.5/2.75)) {
			return c*(7.5625*(t-=(2.25/2.75))*t + .9375) + b;
		} else {
			return c*(7.5625*(t-=(2.625/2.75))*t + .984375) + b;
		}
	},
	easeInOutBounce: function (x, t, b, c, d) {
		if (t < d/2) return jQuery.easing.easeInBounce (x, t*2, 0, c, d) * .5 + b;
		return jQuery.easing.easeOutBounce (x, t*2-d, 0, c, d) * .5 + c*.5 + b;
	}
});