// initPage

$(function(){

	initNavigation();

	initCarusel();

});



// initNavigation

function initNavigation(){

	initNav({

		menuId: "nav",

		hoverClass: "hover",

		dropExistenceClass: "has-drop-down",

		flexibility: true,

		menuPaddings: 20,

		minWidth: 100

	});

}



//initCarusel
function initCarusel(){

	var gallery = jQuery('div.gallery');

	var slideTitle = gallery.find('.title-img .title');

	var slideText = gallery.find('.title-img .text');

	
	gallery.scrollGallery({
		btnPrev:'a.button-previous',
		btnNext:'a.button-next',
		sliderHolder: '.slider',

		autoRotation:true,

		pagerLinks:'div.switcher ul >li',

		generatePagination:'div.switcher',

		onChange: function(slides, current){

			var imgTitle = slides.eq(current).find('.title-text').text();

			var imgText = slides.eq(current).find('.text').text();

			slideTitle.text(imgTitle);

			slideText.text(imgText);

		},

		switchTime:5000
	});
}
// scrolling gallery plugin
jQuery.fn.scrollGallery = function(_options){
	var _options = jQuery.extend({
		sliderHolder: '>div',
		slider:'>ul',
		slides: '>li',
		pagerLinks:'div.pager a',
		btnPrev:'a.link-prev',
		btnNext:'a.link-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:false,
		autoHeight:false,
		autoRotation:false,
		stopAfterClick:false,
		switchTime:5000,
		duration:650,
		easing:'swing',
		event:'click',
		splitCount:false,

		onChange:false,
		afterInit:false,
		vertical:false,
		step:false
	},_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 _autoHeight = _options.autoHeight;

		var _onChange = _options.onChange;
		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;
		var _splitCount = _options.splitCount;
		// gallery init
		if(!_slides.length) return;
		if(_splitCount) {
			var curStep = 0;
			var newSlide = jQuery('<slide>').addClass('split-slide');
			_slides.each(function(){
				newSlide.append(this);
				curStep++;
				if(curStep > _splitCount-1) {
					curStep = 0;
					_slider.append(newSlide);
					newSlide = jQuery('<slide>').addClass('split-slide');
				}
			});
			if(curStep) _slider.append(newSlide);
			_slides = _slider.children();
		}
		
		var _currentStep = 0;
		var _sumWidth = 0;
		var _sumHeight = 0;
		var _hover = false;
		var _stepWidth;
		var _stepHeight;
		var _stepCount;
		var _offset;
		var _timer;
		_slides.each(function(){
			_sumWidth+=jQuery(this).outerWidth(true);
			_sumHeight+=jQuery(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 = jQuery('<ul />');
			for(var i=0; i<_stepCount; i++) jQuery('<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 refreshStatus(ind) {
			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);
			
			// autoHeight
			
			var heightSlide;
			
			if(_autoHeight){
				heightSlide = _slides.eq(_currentStep).outerHeight();
				if(ind != 0){
					_slider.animate({height: heightSlide}, {queue: false, duration: _duration});
				}else{
					_slider.css({height: heightSlide});
				}
			}

			if(typeof _onChange === 'function') {

				_onChange(_slides, _currentStep);

				

			}
		}
		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();
		}
		// autoslide function
		function stopAutoSlide() {
			if(_timer) clearTimeout(_timer);
			_autoRotation = false;
		}
		function autoSlide() {
			if(!_autoRotation || _hover) return;
			if(_timer) clearTimeout(_timer);
			_timer = setTimeout(nextSlide,_switchTime+_duration);
		}
		if(_pauseOnHover) {
			_this.hover(function(){
				_hover = true;
				if(_timer) clearTimeout(_timer);
			},function(){
				_hover = false;
				autoSlide();
			});
		}
		recalcOffsets();
		refreshStatus(0);
		autoSlide();
		// 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);
	});
}



// 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();





// navigation

function initNav(o){

	if (!o.menuId) o.menuId = "main-nav";

	if (!o.cleverMode) o.cleverMode = false;

	if (!o.flexibility) o.flexibility = false;

	if (!o.dropExistenceClass) o.dropExistenceClass = false;

	if (!o.hoverClass) o.hoverClass = "hover";

	if (!o.menuHardCodeClass) o.menuHardCodeClass = "menu-hard-code";

	if (!o.sideClasses) o.sideClasses = false;

	if (!o.center) o.center = false;

	if (!o.menuPaddings) o.menuPaddings = 0;

	if (!o.minWidth) o.minWidth = 0;

	if (!o.coeff) o.coeff = 1.7;

	var n = document.getElementById(o.menuId);

	if(n)

	{

		n.className = n.className.replace(o.menuHardCodeClass, "");

		var lfl = [];

		var li = n.getElementsByTagName("li");

		for (var i=0; i<li.length; i++)

		{

			li[i].className += (" " + o.hoverClass);

			var d = li[i].getElementsByTagName("div").item(0);

			if(d)

			{

				if(o.flexibility)

				{

					var a = d.getElementsByTagName("a");

					for (var j=0; j<a.length; j++)

					{

						var w = a[j].parentNode.parentNode.offsetWidth;

						if(w > 0)

						{

							if(typeof(o.minWidth) == "number" && w < o.minWidth)

								w = o.minWidth;

							else if(typeof(o.minWidth) == "string" && li[i].parentNode == n && w < li[i].offsetWidth)

								w = li[i].offsetWidth - 5;

							a[j].style.width = w - o.menuPaddings + "px";

						}

					}

					d.style.width = li[i].getElementsByTagName("div").item(1).clientWidth + "px";

				}

				var t = document.documentElement.clientWidth/o.coeff;

				if(li[i].parentNode != n && (!o.cleverMode || fPX(li[i]) < t))

				{

					d.style.right = "auto";

					d.style.left = li[i].parentNode.offsetWidth + "px";

					d.parentNode.className += " left-side";

				}	

				else if(li[i].parentNode != n && (o.cleverMode || fPX(li[i]) >= t))

				{

					d.style.left = "auto";

					d.style.right = li[i].parentNode.offsetWidth + "px";

					d.parentNode.className += " right-side";

				}

				else if(li[i].parentNode == n && o.cleverMode && fPX(li[i]) >= t)

				{

					li[i].className += " right-side";

				}

				if(li[i].parentNode == n && o.center)

					d.style.left = -li[i].getElementsByTagName("div").item(1).clientWidth/2 + li[i].clientWidth/2 + "px";

			}

			if(o.dropExistenceClass && li[i].getElementsByTagName("ul").length > 0)

			{

				li[i].className += (" " + o.dropExistenceClass);

				li[i].getElementsByTagName("a").item(0).className += (" " + o.dropExistenceClass + "-link");

				li[i].innerHTML += "<em class='pointer'></em>";

			}

			if(li[i].parentNode == n) lfl.push(li[i]);

		}

		if(o.sideClasses)

		{

			lfl[0].className += " first-child";

			lfl[0].getElementsByTagName("a").item(0).className += " first-child-link";

			lfl[lfl.length-1].className += " last-child";

			lfl[lfl.length-1].getElementsByTagName("a").item(0).className += " last-child-link";

		}

		for (var i=0; i<li.length; i++)

		{

			li[i].className = li[i].className.replace(o.hoverClass, "");

			li[i].onmouseover = function()

			{

				this.className += (" " + o.hoverClass);

			}

			li[i].onmouseout = function()

			{

				this.className = this.className.replace(o.hoverClass, "");

			}

		}

	}

	function fPX(a)

	{

		var b = 0;

		while (a.offsetParent) {b += a.offsetLeft; a = a.offsetParent;}

		return b;

	}

}