$(document).ready(function(){
	$('a.fancybox').fancybox({
		'hideOnContentClick': false,
		'titleShow'     : false
	});
	$('a.fancybox-photo').fancybox();
});

function gallery(_obj) {
	
	// defaults options
	this.options = {
		hold: 'div.gallery-slide',
		duration: 700,
		slideElement: 1,
		autoRotation: false,
		effect: false,
		fadeEl: 'ul',
		switcher: 'ul > li',
		switcherSlide: false,
		disableBtn: false,
		nextBtn: 'a.link-next, a.btn-next, a.next',
		prevBtn: 'a.link-prev, a.btn-prev, a.prev',
		circle: true,
		direction: false
	};
	for(key in _obj) this.options[key] = _obj[key];
	
	var _this = this;
	this.init = function(){
		var _hold = $(_this.options.hold);
		var _speed = _this.options.duration;
		var _timer = _this.options.autoRotation;
		var _wrap = _hold.find(_this.options.fadeEl);
		var _el = _hold.find(_this.options.switcher);
		var _switcher = _hold.find(_this.options.switcherSlide);
		var _next = _hold.find(_this.options.nextBtn);
		var _prev = _hold.find(_this.options.prevBtn);
		var _count = _el.index(_el.filter(':last'));
		var _w = _el.outerWidth(true);
		var _h = _el.outerHeight(true);
		if (_timer) 
			var _t;
		var _active = _el.index(_el.filter('.active:eq(0)'));
		if (_active < 0) 
			_active = 0;
		var _last = _active;
		
		if (_this.options.direction) _wrap.addClass('slide');
		if (_this.options.effect) _wrap.parent().addClass('fade');
		
		// Installation directions
		if (!_this.options.direction) {
			var _wrapHolderW = Math.ceil(_wrap.parent().width() / _w);
			if (((_wrapHolderW - 1) * _w + _w / 2) > _wrap.parent().width()) 
				_wrapHolderW--;
		}
		else {
			var _wrapHolderW = Math.ceil(_wrap.parent().height() / _h);
			if (((_wrapHolderW - 1) * _h + _h / 2) > _wrap.parent().height()) 
				_wrapHolderW--;
		}
		
		// Setting "fade" or "slide" effect
		if (!_this.options.effect) 
			var rew = _count - _wrapHolderW + 1;
		else 
			var rew = _count;
		if (!_this.options.effect) {
			if (!_this.options.direction) 
				_wrap.css({
					marginLeft: -(_w * _active)
				})
			else 
				_wrap.css({
					marginTop: -(_h * _active)
				})
		}
		else {
			_wrap.css({
				opacity: 0
			}).removeClass('active').eq(_active).addClass('active').css({
				opacity: 1
			}).css('opacity', 'auto');
			_el.removeClass('active').eq(_active).addClass('active');
		}
		
		// Disable or enable buttons "prev next"
		if (_this.options.disableBtn) {
			if (_count < _wrapHolderW) 
				_next.addClass(_this.options.disableBtn);
			_prev.addClass(_this.options.disableBtn);
		}
		
		// Function to "fade"
		function fadeElement(){
			_wrap.eq(_last).animate({
				opacity: 0
			}, {
				queue: false,
				duration: _speed
			});
			_wrap.removeClass('active').eq(_active).addClass('active').animate({
				opacity: 1
			}, {
				queue: false,
				duration: _speed,
				complete: function(){
					$(this).css('opacity', 'auto');
				}
			});
			_el.removeClass('active').eq(_active).addClass('active');
			_last = _active;
		}
		// Function for "slide"
		function scrollEl(){
			if (!_this.options.direction) 
				_wrap.animate({
					marginLeft: -(_w * _active)
				}, {
					queue: false,
					duration: _speed
				})
			else 
				_wrap.animate({
					marginTop: -(_h * _active)
				}, {
					queue: false,
					duration: _speed
				})
		}
		
		function toPrepare(){
			if ((_active == rew) && _this.options.circle) 
				_active = -_this.options.slideElement;
			for (var i = 0; i < _this.options.slideElement; i++) {
				_active++;
				if (_active > rew) {
					_active--;
					if (_this.options.disableBtn && (_count > _wrapHolderW)) 
						_next.addClass(_this.options.disableBtn);
				}
			};
			if (_active == rew) 
				if (_this.options.disableBtn && (_count > _wrapHolderW)) 
					_next.addClass(_this.options.disableBtn);
			if (!_this.options.effect) 
				scrollEl();
			else 
				fadeElement();
		}
		function runTimer(){
			_t = setInterval(function(){
				toPrepare();
			}, _timer);
		}
		_next.click(function(){
			if (_t) 
				clearTimeout(_t);
			if (_this.options.disableBtn && (_count > _wrapHolderW)) 
				_prev.removeClass(_this.options.disableBtn);
			toPrepare();
			if (_timer) 
				runTimer();
			return false;
		});
		_prev.click(function(){
			if (_t) 
				clearTimeout(_t);
			if (_this.options.disableBtn && (_count > _wrapHolderW)) 
				_next.removeClass(_this.options.disableBtn);
			if ((_active == 0) && _this.options.circle) 
				_active = rew + _this.options.slideElement;
			for (var i = 0; i < _this.options.slideElement; i++) {
				_active--;
				if (_active < 0) {
					_active++;
					if (_this.options.disableBtn && (_count > _wrapHolderW)) 
						_prev.addClass(_this.options.disableBtn);
				}
			};
			if (_active == 0) 
				if (_this.options.disableBtn && (_count > _wrapHolderW)) 
					_prev.addClass(_this.options.disableBtn);
			if (!_this.options.effect) 
				scrollEl();
			else 
				fadeElement();
			if (_timer) 
				runTimer();
			return false;
		});
		if (_this.options.effect && (_this.options.fadeEl != _this.options.switcher)) 
			_el.click(function(){
				_active = _el.index($(this));
				if (_t)
					clearTimeout(_t);
				fadeElement();
				if (_timer) 
					runTimer();
				return false;
			});
		if (_this.options.switcherSlide){
			_switcher.click(function(){
				_active = _switcher.index($(this));
				if (_t)
					clearTimeout(_t);
				scrollEl();
				_switcher.removeClass('active').eq(_active).addClass('active');
				if (_timer) 
					runTimer();
				return false;
			});
		}
		if (_timer) 
			runTimer();
	}
	
	this.stop = function(){
		if (_t) clearTimeout(_t);
	}
	this.play = function(){
		if (_t) clearTimeout(_t);
		if (_timer) runTimer();
	}
}