// ieHover
function ieHover(_selector, _class){
	if(_class == null) _class = 'hover';
	if (jQuery.browser.msie && jQuery.browser.version < 7) {
		jQuery(_selector).each(function(){
			jQuery(this).mouseenter(function(){
				jQuery(this).addClass(_class)
			}).mouseleave(function(){
				jQuery(this).removeClass(_class)
			})
		})
	}
}
function initTabs(){
	var sets = document.getElementsByTagName("ul");
	for (var i = 0; i < sets.length; i++)
	{
		if (sets[i].className.indexOf("tabset") != -1)
		{
			var tabs = [];
			var links = sets[i].getElementsByTagName("a");
			for (var j = 0; j < links.length; j++)
			{
				if (links[j].className.indexOf("tab") != -1)
				{
					tabs.push(links[j]);
					links[j].tabs = tabs;
					var c = document.getElementById(links[j].href.substr(links[j].href.indexOf("#") + 1));

					if (c) if (links[j].parentNode.className.indexOf("active") != -1) c.style.display = "block";
					else c.style.display = "none";

					links[j].onclick = function ()
					{
						var c = document.getElementById(this.href.substr(this.href.indexOf("#") + 1));
						if (c)
						{
							for (var i = 0; i < this.tabs.length; i++)
							{
								var tab = document.getElementById(this.tabs[i].href.substr(this.tabs[i].href.indexOf("#") + 1));
								if (tab)
								{
									tab.style.display = "none";
								}
								this.tabs[i].parentNode.className = this.tabs[i].parentNode.className.replace("active", "");
							}
							this.parentNode.className += " active";
							c.style.display = "block";
							return false;
						}
					}
				}
			}
		}
	}
}
function initBrowserDetect(){
	var u = navigator.userAgent.toLowerCase();
	var _html = document.getElementsByTagName("html")[0];
	
	if(is("win")) addClass("win");
	else if(is("mac")) addClass("mac");
	else if(is("linux") || is("x11")) addClass("linux");
	
	if(is("msie 8.0")) addClass("ie8");
	else if(is("msie 7.0")) addClass("ie7");
	else if(is("msie 6.0")) addClass("ie6");
	else if(is("firefox/2")) addClass("ff2");
	else if(is("firefox/3")) addClass("ff3");
	else if(is("opera") && is("version/10")) addClass("opera10");
	else if(is("opera/9")) addClass("opera9");
	else if(is("safari") && is("version/3")) addClass("safari3");
	else if(is("safari") && is("version/4")) addClass("safari4");
	else if(is("chrome")) addClass("chrome");
	else if(is("safari")) addClass("safari2");
	else if(is("unknown")) addClass("unknown");
	
	if(is("msie")) addClass("trident");
	else if(is("applewebkit")) addClass("webkit");
	else if(is("gecko")) addClass("gecko");
	else if(is("opera")) addClass("presto");
		
	function is(browser)
	{
		if(u.indexOf(browser) !=-1) return true;
	}
	function addClass(_class)
	{
		_html.className += (" " + _class);
	}
}
function switchGallery(){
	var _hold=jQuery('div.gallery2');
	var set=_hold.find('.thumbnails');
	var slider=jQuery('div.thumbnails > ul');
	var item=set.find('ul > li');
	var btPrev=_hold.find('a.btn-prev');
	var btNext=_hold.find('a.btn-next');
	var contentBox=set.find('div.content-box');
	var ind=item.index(item.filter('.active:eq(0)'));
	var incBox=_hold.find('div.inc-box');
	
	var step=item.outerWidth(true);
	var _slideEl=3;
	var _slide = 0;
	
	function swicthBox(){
		testCurrent(ind);
		incBox.empty();
		contentBox.eq(ind).clone().css({opacity:0}).appendTo(incBox).animate({opacity:1}, 500);
		item.removeClass('active').eq(ind).addClass('active');
	}
	swicthBox();
	//Button prev
	btPrev.bind('click', function(){
		if(ind==0) ind=item.length-1
		else ind--;
		swicthBox();
		return false;
	});
	//Button next
	btNext.bind('click', function(){
		if(ind<item.length-1) ind++
		else ind=0;
		swicthBox();
		return false;
	});
	item.bind('click', function(){
		ind=item.index($(this));
		if( !item.eq(ind).hasClass('active') ) {
			swicthBox();
		}
		return false;
	});
	//Test current
	function testCurrent(i){
		var _curSlideSet = Math.ceil( (i + 1) / _slideEl) ;
		_slide = _slideEl * (_curSlideSet - 1);
		if(_slide + _slideEl < item.length){
			_slide = _slide;
		}
		else {
			_slide = item.length - _slideEl;
		}
		slideItem(_slide);
	}
	//Slide
	function slideItem(o){
		slider.stop().animate({marginLeft: -o*step}, 500);
	}
}
// scrolling gallery plugin
jQuery.fn.scrollGallery = function(_options){
	var _options = jQuery.extend({
		sliderHolder: '>div',
		slider:'>ul',
		slides: '>li',
		pagerLinks:'div.pager a',
		btnPrev:'a.btn-prev',
		btnNext:'a.btn-next',
		activeClass:'active',
		disabledClass:'disabled',
		generatePagination:'div.pg-holder',
		curNum:'em.scur-num',
		allNum:'em.sall-num',
		circleSlide:true,
		pauseClass:'gallery-paused',
		pauseButton:'none',
		pauseOnHover:true,
		autoRotation:false,
		stopAfterClick:false,
		switchTime:5000,
		duration:650,
		easing:'swing',
		event:'click',
		afterInit:false,
		vertical:false,
		step:false,
		startElement : 0
	},_options);

	return this.each(function(){
		// gallery options
		var _this = jQuery(this);
		var _sliderHolder = jQuery(_options.sliderHolder, _this);
		var _slider = jQuery(_options.slider, _sliderHolder);
		var _slides = jQuery(_options.slides, _slider);
		var _btnPrev = jQuery(_options.btnPrev, _this);
		var _btnNext = jQuery(_options.btnNext, _this);
		var _pagerLinks = jQuery(_options.pagerLinks, _this);
		var _generatePagination = jQuery(_options.generatePagination, _this);
		var _curNum = jQuery(_options.curNum, _this);
		var _allNum = jQuery(_options.allNum, _this);
		var _pauseButton = jQuery(_options.pauseButton, _this);
		var _pauseOnHover = _options.pauseOnHover;
		var _pauseClass = _options.pauseClass;
		var _autoRotation = _options.autoRotation;
		var _activeClass = _options.activeClass;
		var _disabledClass = _options.disabledClass;
		var _easing = _options.easing;
		var _duration = _options.duration;
		var _switchTime = _options.switchTime;
		var _controlEvent = _options.event;
		var _step = _options.step;
		var _vertical = _options.vertical;
		var _circleSlide = _options.circleSlide;
		var _stopAfterClick = _options.stopAfterClick;
		var _afterInit = _options.afterInit;
		
		// gallery init
		if(!_slides.length) return;
		var _currentStep = _options.startElement;
		var _sumWidth = 0;
		var _sumHeight = 0;
		var _hover = false;
		var _stepWidth;
		var _stepHeight;
		var _stepCount;
		var _offset;
		var _timer;
		var _deltaDir = 1;

		_slides.each(function(){
			_sumWidth+=$(this).outerWidth(true);
			_sumHeight+=$(this).outerHeight(true);
		});

		// calculate gallery offset
		function recalcOffsets() {
			if(_vertical) {
				if(_step) {
					_stepHeight = _slides.eq(_currentStep).outerHeight(true);
					_stepCount = Math.ceil((_sumHeight-_sliderHolder.height())/_stepHeight)+1;
					_offset = -_stepHeight*_currentStep;
				} else {
					_stepHeight = _sliderHolder.height();
					_stepCount = Math.ceil(_sumHeight/_stepHeight);
					_offset = -_stepHeight*_currentStep;
					if(_offset < _stepHeight-_sumHeight) _offset = _stepHeight-_sumHeight;
				}
			} else {
				if(_step) {
					_stepWidth = _slides.eq(_currentStep).outerWidth(true)*_step;
					_stepCount = Math.ceil((_sumWidth-_sliderHolder.width())/_stepWidth)+1;
					_offset = -_stepWidth*_currentStep;
					if(_offset < _sliderHolder.width()-_sumWidth) _offset = _sliderHolder.width()-_sumWidth;
				} else {
					_stepWidth = _sliderHolder.width();
					_stepCount = Math.ceil(_sumWidth/_stepWidth);
					_offset = -_stepWidth*_currentStep;
					if(_offset < _stepWidth-_sumWidth) _offset = _stepWidth-_sumWidth;
				}
			}
		}

		// gallery control
		if(_btnPrev.length) {
			_btnPrev.bind(_controlEvent,function(){
				if(_stopAfterClick) stopAutoSlide();
				prevSlide();
				return false;
			});
		}
		if(_btnNext.length) {
			_btnNext.bind(_controlEvent,function(){
				if(_stopAfterClick) stopAutoSlide();
				nextSlide();
				return false;
			});
		}
		if(_generatePagination.length) {
			_generatePagination.empty();
			recalcOffsets();
			var _list = $('<ul />');
			for(var i=0; i<_stepCount; i++) $('<li><a href="#">'+(i+1)+'</a></li>').appendTo(_list);
			_list.appendTo(_generatePagination);
			_pagerLinks = _list.children();
		}
		if(_pagerLinks.length) {
			_pagerLinks.each(function(_ind){
				jQuery(this).bind(_controlEvent,function(){
					if(_currentStep != _ind) {
						if(_stopAfterClick) stopAutoSlide();
						_currentStep = _ind;
						switchSlide();
					}
					return false;
				});
			});
		}

		// gallery animation
		function prevSlide() {
			recalcOffsets();
			if(_currentStep > 0) _currentStep--;
			else if(_circleSlide) _currentStep = _stepCount-1;
			switchSlide();
		}
		function nextSlide() {
			recalcOffsets();
			if(_currentStep < _stepCount-1) _currentStep++;
			else if(_circleSlide) _currentStep = 0;
			switchSlide();
		}
		function deltaSlide() {
			recalcOffsets();
			_currentStep += _deltaDir;
			if(_currentStep <= 0 ){
				_currentStep = 0;
				_deltaDir = 1;
			}
			if(_currentStep >= _stepCount-1 ){
				_currentStep = _stepCount-1;
				_deltaDir = -1;
			}
			switchSlide();
		}
		function refreshStatus() {
			if(_pagerLinks.length) _pagerLinks.removeClass(_activeClass).eq(_currentStep).addClass(_activeClass);
			if(!_circleSlide) {
				_btnPrev.removeClass(_disabledClass);
				_btnNext.removeClass(_disabledClass);
				if(_currentStep == 0) _btnPrev.addClass(_disabledClass);
				if(_currentStep == _stepCount-1) _btnNext.addClass(_disabledClass);
			}
			if(_curNum.length) _curNum.text(_currentStep+1);
			if(_allNum.length) _allNum.text(_stepCount);
		}
		function switchSlide() {
			recalcOffsets();
			if(_vertical) _slider.animate({marginTop:_offset},{duration:_duration,queue:false,easing:_easing});
			else _slider.animate({marginLeft:_offset},{duration:_duration,queue:false,easing:_easing});
			refreshStatus();
			autoSlide();
		}
		function switchSlide_test() {
			recalcOffsets();
			if(_vertical){
				 _slider.animate({marginTop:_offset},{duration:_duration,queue:false,easing:_easing});
			} else { 
				if (_currentStep == 0){
					var dur = 6000;
				} else {
					var dur = _options.duration;
				}
				_slider.animate({marginLeft:_offset},{duration:dur,queue:false,easing:_easing});
			}
			refreshStatus();
			autoSlide();
		  }
		

		// autoslide function
		function stopAutoSlide() {
			if(_timer) clearTimeout(_timer);
			_autoRotation = false;
		}
		function autoSlide() {
			if(!_autoRotation || _hover) return;
			if(_timer) clearTimeout(_timer);
/*			_timer = setTimeout(autoSlide,_switchTime+_duration); */
			_timer = setTimeout(deltaSlide,_switchTime+_duration);
		}
		if(_pauseOnHover) {
			_this.hover(function(){
				_hover = true;
				if(_timer) clearTimeout(_timer);
			},function(){
				_hover = false;
				autoSlide();
			});
		}
		
		recalcOffsets();
		refreshStatus();
		autoSlide();
		_slider.css({
			marginLeft:_offset
		});

		// pause buttton
		if(_pauseButton.length) {
			_pauseButton.click(function(){
				if(_this.hasClass(_pauseClass)) {
					_this.removeClass(_pauseClass);
					_autoRotation = true;
					autoSlide();
				} else {
					_this.addClass(_pauseClass);
					stopAutoSlide();
				}
				return false;
			});
		}

		if(_afterInit && typeof _afterInit === 'function') _afterInit(_this, _slides);
	});
}
jQuery(document).ready(function(){
	jQuery(function(){
		ieHover("#nav li, .gallery ul li");
	});
	initTabs();
	initBrowserDetect();
	switchGallery();
	jQuery('div.gallery1').scrollGallery({
		sliderHolder: 'div.carousel2 div.holder',
		slider:'>ul',
		switchTime:4000,
		duration:2000, 
/*		duration:650, */
		autoRotation:true
	});
});