//init page
jQuery(function(){
	initScrollGallery();
	initSlideShow();
	initBackgroundResize();
	hideFormText();
	initNav({
		menuId: "nav",
		cleverMode: true,
		flexibility: false
	});
	initTabs();
	initNavFix();
	initBrowserDetect();
});

//init scroll gallery
function initScrollGallery(){
	jQuery('.slider-1').scrollGallery({
		btnPrev:'a.prev',
		btnNext:'a.next',
		autoRotation:true,
		switchTime:4000
	});
}

// slideshow init
function initSlideShow() {
	jQuery('div.slider').fadeGallery({
		slideElements:'.slideshow > li',
		pagerLinks:'.switcher li',
		autoRotation:true,
		switchTime:4000
	});
	jQuery('.tagline').fadeGallery({
		slideElements:'> li',
		autoRotation:true,
		switchTime:7000
	});
}

// page init
function initNavFix() {
	new touchNav({
		navBlock: 'nav'
	});
}

// background resize init
function initBackgroundResize() {
	var holder = document.getElementById('bg');
	var images = holder.getElementsByTagName('img');
	for(var i = 0; i < images.length; i++) {
		backgroundStretcher.stretchImage(images[i]);
	}
	backgroundStretcher.setBgHolder(holder);
}

// image stretch module
backgroundStretcher = {
	images: [],
	holders: [],
	viewWidth: 0,
	viewHeight: 0,
	stretchByWindow: false, // or entire page
	init: function(){
		this.addHandlers();
		this.resizeAll();
		return this;
	},
	stretchImage: function(obj) {
		var img = new Image();
		img.onload = this.bind(function(){
			obj.iRatio = img.width / img.height;
			obj.iWidth = img.width;
			obj.iHeight = img.height;
			obj.style.msInterpolationMode = 'bicubic'; // IE7 fix
			this.resizeImage(obj);
		});
		img.src = obj.src;
		this.images.push(obj);
	},
	setBgHolder: function(obj) {
		this.holders.push(obj);
		this.resizeAll();
	},
	resizeImage: function(obj) {
		if(obj.iRatio) {
			var slideWidth = this.viewWidth;
			var slideHeight = slideWidth / obj.iRatio;
			if(slideHeight < this.viewHeight) {
				slideHeight = this.viewHeight;
				slideWidth = slideHeight * obj.iRatio;
			}
			obj.style.width = slideWidth+'px';
			obj.style.height = slideHeight+'px';
			obj.style.top = (this.viewHeight - slideHeight)/2+'px';
			obj.style.left = (this.viewWidth - slideWidth)/2+'px';
		}
	},
	resizeHolder: function(obj) {
		obj.style.width = this.viewWidth+'px';
		obj.style.height = this.viewHeight+'px';
	},
	getWindowWidth: function() {
		return typeof window.innerWidth === 'number' ? window.innerWidth : document.documentElement.clientWidth;
	},
	getWindowHeight: function() {
		return typeof window.innerHeight === 'number' ? window.innerHeight : document.documentElement.clientHeight;
	},
	getPageWidth: function() {
		if(!document.body) return 0;
		return Math.max(
			Math.max(document.body.clientWidth, document.documentElement.clientWidth),
			Math.max(document.body.offsetWidth, document.body.scrollWidth)
		);
	},
	getPageHeight: function() {
		if(!document.body) return 0;
		return Math.max(
			Math.max(document.body.clientHeight, document.documentElement.clientHeight),
			Math.max(document.body.offsetHeight, document.body.scrollHeight)
		);
	},
	resizeAll: function() {
		// crop holder width by window size
		for(var i = 0; i < this.holders.length; i++) {
			this.holders[i].style.width = '100%'; 
		}
		
		// delay required for IE to handle resize
		clearTimeout(this.resizeTimer);
		this.resizeTimer = setTimeout(this.bind(function(){
			// hide background holders
			for(var i = 0; i < this.holders.length; i++) {
				this.holders[i].style.display = 'none';
			}
			
			// calculate real page dimensions with hidden background blocks
			this.viewWidth = this[this.stretchByWindow ? 'getWindowWidth' : 'getPageWidth']();
			this.viewHeight = this[this.stretchByWindow ? 'getWindowHeight' : 'getPageHeight']();
			
			// show and resize all background holders
			for(i = 0; i < this.holders.length; i++) {
				this.holders[i].style.display = 'block';
				this.resizeHolder(this.holders[i]);
			}
			for(i = 0; i < this.images.length; i++) {
				this.resizeImage(this.images[i]);
			}
		}),10);
	},
	addHandlers: function() {
		if (window.addEventListener) window.addEventListener('resize', this.bind(this.resizeAll), false);
		else if (window.attachEvent) window.attachEvent('onresize', this.bind(this.resizeAll));
	},
	bind: function(fn, scope, args) {
		var newScope = scope || this;
		return function() {
			return fn.apply(newScope, args || arguments);
		}
	} 
}.init();

//hide input text
function hideFormText() {
	var _inputs = document.getElementsByTagName('input');
	var _txt = document.getElementsByTagName('textarea');
	var _value = [];
	
	if (_inputs) {
		for(var i=0; i<_inputs.length; i++) {
			if (_inputs[i].type == 'text' || _inputs[i].type == 'password') {
				
				_inputs[i].index = i;
				_value[i] = _inputs[i].value;
				
				_inputs[i].onfocus = function(){
					if (this.value == _value[this.index])
						this.value = '';
				}
				_inputs[i].onblur = function(){
					if (this.value == '')
						this.value = _value[this.index];
				}
			}
		}
	}
	if (_txt) {
		for(var i=0; i<_txt.length; i++) {
			_txt[i].index = i;
			_value['txt'+i] = _txt[i].value;
			
			_txt[i].onfocus = function(){
				if (this.value == _value['txt'+this.index])
					this.value = '';
			}
			_txt[i].onblur = function(){
				if (this.value == '')
					this.value = _value['txt'+this.index];
			}
		}
	}
}

//drop-down position
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 - 3;
							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.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)
					{
						// 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;
	}
}

// init tabs when page ready
function initTabs() {
	if(typeof ContentTabs !== 'undefined') {
		ContentTabs.init();
	}
}

// content tabs module
ContentTabs = {
	options: {
		classOnParent: false,
		hiddenClass: 'tab-hidden',
		visibleClass: 'tab-active',
		activeClass: 'active',
		tabsets: 'ul.tabset',
		tablinks: 'a.tab',
		event: 'click'
	},
	init: function(){
		this.createStyleSheet();
		this.getTabsets();
		return this;
	},
	createStyleSheet: function() {
		this.tabStyleSheet = document.createElement('style');
		this.tabStyleSheet.setAttribute('type', 'text/css');
		this.tabStyleRule = '.'+this.options.hiddenClass;
		this.tabStyleRule += '{position:absolute !important;left:-9999px !important;top:-9999px !important;display:block !important}';
		document.getElementsByTagName('head')[0].appendChild(this.tabStyleSheet);
		if (this.tabStyleSheet.styleSheet) {
			this.tabStyleSheet.styleSheet.cssText = this.tabStyleRule;
		} else {
			this.tabStyleSheet.appendChild(document.createTextNode(this.tabStyleRule));
		}
	},
	getTabsets: function() {
		this.tabsets = this.queryElements(this.options.tabsets);
		for(var i = 0; i < this.tabsets.length; i++) {
			this.initTabset(this.tabsets[i]);
		}
	},
	initTabset: function(tabset) {
		var tabLinks = this.queryElements(this.options.tablinks, tabset), instance = this;
		for(var i = 0; i < tabLinks.length; i++) {
			tabLinks[i]['on'+this.options.event] = function(){
				instance.switchTab(this, tabLinks);
				return false;
			}
			if(this.hasClass(this.options.classOnParent ? tabLinks[i].parentNode : tabLinks[i], this.options.activeClass)) {
				this.switchTab(tabLinks[i], tabLinks);
			}
		}
	},
	switchTab: function(link, set) {
		for(var i = 0; i < set.length; i++) {
			var curLink = set[i];
			var curTab = document.getElementById(curLink.href.substr(curLink.href.indexOf('#')+1));
			if(curLink === link) {
				this.addClass(this.options.classOnParent ? curLink.parentNode : curLink, this.options.activeClass);
				this.addClass(curTab,this.options.visibleClass);
				this.removeClass(curTab,this.options.hiddenClass);
			} else {
				this.removeClass(this.options.classOnParent ? curLink.parentNode : curLink, this.options.activeClass);
				this.removeClass(curTab,this.options.visibleClass);
				this.addClass(curTab,this.options.hiddenClass);
			}
		}
	},
	queryElements: function(selector, holder) {
		var box = holder || document;
		if(box.querySelectorAll) {
			return box.querySelectorAll(selector);
		} else {
			var res = [], selectorData = selector.split('.');
			var tagName = selectorData[0];
			var set = box.getElementsByTagName(tagName);
			if(selectorData.length > 1) {
				for(var i = 0; i < set.length; i++) {
					if(this.hasClass(set[i], selectorData[1])) res.push(set[i]);
				}
				return res;
			} else {
				return set;
			}
		}
	},
	hasClass: function (obj,cname) {
		return (obj.className ? obj.className.match(new RegExp('(\\s|^)'+cname+'(\\s|$)')) : false);
	},
	addClass: function (obj,cname) {
		if (!this.hasClass(obj,cname)) obj.className += " "+cname;
	},
	removeClass: function (obj,cname) {
		if (this.hasClass(obj,cname)) obj.className=obj.className.replace(new RegExp('(\\s|^)'+cname+'(\\s|$)'),' ');
	}
};
// navigation accesibility module
function touchNav(options) {
	this.options = {
		mobileReg: /(ipad|iphone|ipod|android|blackberry|iemobile)/gi,
		hoverClass: 'hover',
		followLink: false,
		menuItems: 'li',
		menuOpener: 'a',
		menuDrop: 'div',
		navBlock: null
	}
	for(var p in options) {
		this.options[p] = options[p];
	}
	this.init();
}
touchNav.prototype = {
	init: function() {
		this.isMobile = (this.options.mobileReg).test(navigator.userAgent);
		if(typeof this.options.navBlock === 'string') {
			this.menu = document.getElementById(this.options.navBlock);
		} else if(typeof this.options.navBlock === 'object') {
			this.menu = this.options.navBlock;
		}
		if(this.menu) {
			this.getElements();
			this.addEvents();
		}
	},
	getElements: function() {
		this.menuItems = this.menu.getElementsByTagName(this.options.menuItems);
	},
	hideActiveDropdown: function() {
		if(this.activeParent) {
			for(var i = 0; i < this.menuItems.length; i++) {
				this.removeClass(this.menuItems[i], this.options.hoverClass);
			}
			this.activeParent = null;
		}
	},
	getOpener: function(obj) {
		for(var i = 0; i < obj.childNodes.length; i++) {
			if(obj.childNodes[i].tagName && obj.childNodes[i].tagName.toLowerCase() == this.options.menuOpener.toLowerCase()) {
				return obj.childNodes[i];
			}
		}
		return false;
	},
	getDrop: function(obj) {
		for(var i = 0; i < obj.childNodes.length; i++) {
			if(obj.childNodes[i].tagName && obj.childNodes[i].tagName.toLowerCase() == this.options.menuDrop.toLowerCase()) {
				return obj.childNodes[i];
			}
		}
		return false;
	},
	addEvents: function() {
		// mobile event handlers
		if(this.isMobile) {
			for(var i = 0; i < this.menuItems.length; i++) {
				this.menuItems[i].touchNav = this;
				if(this.getDrop(this.menuItems[i])) {
					this.addHandler(this.getOpener(this.menuItems[i]), 'click', this.bind(this.clickHandler,this.menuItems[i]));
				}
			}
			this.addHandler(document.body, 'click', this.bind(this.outsideHandler, this));
			this.addHandler(document.body, 'touchstart', this.bind(this.outsideHandler, this));
		}
		// desktop event handlers
		else {
			for(var i = 0; i < this.menuItems.length; i++) {
				this.menuItems[i].touchNav = this;
				this.addHandler(this.menuItems[i], 'mouseover', this.mouseoverHandler);
				this.addHandler(this.menuItems[i], 'mouseout', this.mouseoutHandler);
			}
		}
	},
	outsideHandler: function(e) {
		var childFlag = false;
		if(this.activeParent) {
			this.outsideTarget = e.target || e.currentTarget || e.srcElement;
			while (this.outsideTarget.parentNode) {
				if(this.activeParent == this.outsideTarget) {
					childFlag = true;
					break;
				}
				this.outsideTarget = this.outsideTarget.parentNode;
			}
			if(!childFlag) {
				this.hideActiveDropdown();
			}
		}
	},
	mouseoverHandler: function() {
		this.touchNav.addClass(this, this.touchNav.options.hoverClass);
	},
	mouseoutHandler: function() {
		this.touchNav.removeClass(this, this.touchNav.options.hoverClass);
	},
	clickHandler: function(e) {
		// get current dropdown
		var tNav = this.touchNav;
		tNav.currentElement = e.currentTarget || e.srcElement;
		tNav.currentParent = tNav.currentElement.parentNode;

		// hide previous drop (if exists)
		if(tNav.activeParent && !tNav.isParent(tNav.activeParent, tNav.currentParent) && tNav.currentParent != tNav.activeParent) {
			tNav.hideActiveDropdown();
		}

		// handle current drop
		if(tNav.hasClass(tNav.currentParent, tNav.options.hoverClass)) {
			tNav.removeClass(tNav.currentParent, tNav.options.hoverClass);
			if(tNav.options.followLink) {
				window.location.href = tNav.currentElement.href;
			}
		} else {
			tNav.addClass(tNav.currentParent, tNav.options.hoverClass);
			tNav.activeParent = tNav.currentParent;
			return tNav.preventEvent(e);
		}
	},
	preventEvent: function(e) {
		if(!e) e = window.event;
		if(e.preventDefault) e.preventDefault();
		if(e.stopPropagation) e.stopPropagation();
		e.cancelBubble = true;
		return false;
	},
	isParent: function(parent, child) {
		while(child.parentNode) {
			if(child.parentNode == parent) {
				return true;
			}
			child = child.parentNode;
		}
		return false;
	},
	addHandler: function(object, event, handler) {
		if (typeof object.addEventListener != 'undefined') object.addEventListener(event, this.bind(handler,object), false);
		else if (typeof object.attachEvent != 'undefined') object.attachEvent('on' + event, this.bind(handler,object));
	},
	removeHandler: function(object, event, handler) {
		if (typeof object.removeEventListener != 'undefined') object.removeEventListener(event, handler, false);
		else if (typeof object.detachEvent != 'undefined') object.detachEvent('on' + event, handler);
	},
	hasClass: function(obj,cname) {
		return (obj.className ? obj.className.match(new RegExp('(\\s|^)'+cname+'(\\s|$)')) : false);
	},
	addClass: function(obj,cname) {
		if (!this.hasClass(obj,cname)) obj.className += " "+cname;
	},
	removeClass: function(obj,cname) {
		if (this.hasClass(obj,cname)) obj.className=obj.className.replace(new RegExp('(\\s|^)'+cname+'(\\s|$)'),' ');
	},
	bind: function(func, scope){
		return function() {
			return func.apply(scope, arguments);
		}
	}
}
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("safari") && is("version/5")) addClass("safari5");
	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);
	}
}
// mobile browsers detect
browserPlatform = {
	platforms: [
		{ uaString:['symbian','midp'], cssFile:'symbian.css' }, // Symbian phones
		{ uaString:['opera','mobi'], cssFile:'opera.css' }, // Opera Mobile
		{ uaString:['msie','ppc'], cssFile:'ieppc.css' }, // IE Mobile <6
		{ uaString:'iemobile', cssFile:'iemobile.css' }, // IE Mobile 6+
		{ uaString:'webos', cssFile:'webos.css' }, // Palm WebOS
		{ uaString:'Android', cssFile:'android.css' }, // Android
		{ uaString:['BlackBerry','/6.0','mobi'], cssFile:'blackberry6.css' },	// Blackberry 6
		{ uaString:['BlackBerry','/7.0','mobi'], cssFile:'blackberry7.css' },	// Blackberry 7+
		{ uaString:'ipad', cssFile:'ipad.css', miscHead:'<meta name="viewport" content="width=device-width" />' }, // iPad
		{ uaString:['safari','mobi'], cssFile:'safari.css', miscHead:'<meta name="viewport" content="width=device-width" />' } // iPhone and other webkit browsers
	],
	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) {
		var head = document.getElementsByTagName('head')[0], fragment;
		var cssText = '<link rel="stylesheet" href="' + this.options.cssPath + platform.cssFile + '" type="text/css"/>';
		var miscText = platform.miscHead;
		if(platform.cssFile) {
			if(document.body) {
				fragment = document.createElement('div');
				fragment.innerHTML = cssText;
				head.appendChild(fragment.childNodes[0]);
			} else {
				document.write(cssText);
			}
		}
		if(platform.miscHead) {
			if(document.body) {
				fragment = document.createElement('div');
				fragment.innerHTML = miscText;
				head.appendChild(fragment.childNodes[0]);
			} else {
				document.write(miscText);
			}
		}
	},
	uaMatch:function(str) {
		if(!this.ua) {
			this.ua = navigator.userAgent.toLowerCase();
		}
		return this.ua.indexOf(str.toLowerCase()) != -1;
	}
}.init();


// slideshow plugin
jQuery.fn.fadeGallery = function(_options){
	var _options = jQuery.extend({
		slideElements:'div.slideset > div',
		pagerLinks:'div.pager a',
		btnNext:'a.next',
		btnPrev:'a.prev',
		btnPlayPause:'a.play-pause',
		btnPlay:'a.play',
		btnPause:'a.pause',
		pausedClass:'paused',
		disabledClass: 'disabled',
		playClass:'playing',
		activeClass:'active',
		loadingClass:'ajax-loading',
		loadedClass:'slide-loaded',
		dynamicImageLoad:false,
		dynamicImageLoadAttr:'alt',
		currentNum:false,
		allNum:false,
		startSlide:null,
		noCircle:false,
		pauseOnHover:true,
		autoRotation:false,
		autoHeight:false,
		onBeforeFade:false,
		onAfterFade:false,
		onChange:false,
		disableWhileAnimating:false,
		switchTime:3000,
		duration:650,
		event:'click'
	},_options);

	return this.each(function(){
		// gallery options
		if(this.slideshowInit) return; else this.slideshowInit;
		var _this = jQuery(this);
		var _slides = jQuery(_options.slideElements, _this);
		var _pagerLinks = jQuery(_options.pagerLinks, _this);
		var _btnPrev = jQuery(_options.btnPrev, _this);
		var _btnNext = jQuery(_options.btnNext, _this);
		var _btnPlayPause = jQuery(_options.btnPlayPause, _this);
		var _btnPause = jQuery(_options.btnPause, _this);
		var _btnPlay = jQuery(_options.btnPlay, _this);
		var _pauseOnHover = _options.pauseOnHover;
		var _dynamicImageLoad = _options.dynamicImageLoad;
		var _dynamicImageLoadAttr = _options.dynamicImageLoadAttr;
		var _autoRotation = _options.autoRotation;
		var _activeClass = _options.activeClass;
		var _loadingClass = _options.loadingClass;
		var _loadedClass = _options.loadedClass;
		var _disabledClass = _options.disabledClass;
		var _pausedClass = _options.pausedClass;
		var _playClass = _options.playClass;
		var _autoHeight = _options.autoHeight;
		var _duration = _options.duration;
		var _switchTime = _options.switchTime;
		var _controlEvent = _options.event;
		var _currentNum = (_options.currentNum ? jQuery(_options.currentNum, _this) : false);
		var _allNum = (_options.allNum ? jQuery(_options.allNum, _this) : false);
		var _startSlide = _options.startSlide;
		var _noCycle = _options.noCircle;
		var _onChange = _options.onChange;
		var _onBeforeFade = _options.onBeforeFade;
		var _onAfterFade = _options.onAfterFade;
		var _disableWhileAnimating = _options.disableWhileAnimating;
		
		// gallery init
		var _anim = false;
		var _hover = false;
		var _prevIndex = 0;
		var _currentIndex = 0;
		var _slideCount = _slides.length;
		var _timer;
		if(_slideCount < 2) return;

		_prevIndex = _slides.index(_slides.filter('.'+_activeClass));
		if(_prevIndex < 0) _prevIndex = _currentIndex = 0;
		else _currentIndex = _prevIndex;
		if(_startSlide != null) {
			if(_startSlide == 'random') _prevIndex = _currentIndex = Math.floor(Math.random()*_slideCount);
			else _prevIndex = _currentIndex = parseInt(_startSlide);
		}
		_slides.hide().eq(_currentIndex).show();
		if(_autoRotation) _this.removeClass(_pausedClass).addClass(_playClass);
		else _this.removeClass(_playClass).addClass(_pausedClass);

		// gallery control
		if(_btnPrev.length) {
			_btnPrev.bind(_controlEvent,function(){
				prevSlide();
				return false;
			});
		}
		if(_btnNext.length) {
			_btnNext.bind(_controlEvent,function(){
				nextSlide();
				return false;
			});
		}
		if(_pagerLinks.length) {
			_pagerLinks.each(function(_ind){
				jQuery(this).bind(_controlEvent,function(){
					if(_currentIndex != _ind) {
						if(_disableWhileAnimating && _anim) return;
						_prevIndex = _currentIndex;
						_currentIndex = _ind;
						switchSlide();
					}
					return false;
				});
			});
		}

		// play pause section
		if(_btnPlayPause.length) {
			_btnPlayPause.bind(_controlEvent,function(){
				if(_this.hasClass(_pausedClass)) {
					_this.removeClass(_pausedClass).addClass(_playClass);
					_autoRotation = true;
					autoSlide();
				} else {
					_autoRotation = false;
					if(_timer) clearTimeout(_timer);
					_this.removeClass(_playClass).addClass(_pausedClass);
				}
				return false;
			});
		}
		if(_btnPlay.length) {
			_btnPlay.bind(_controlEvent,function(){
				_this.removeClass(_pausedClass).addClass(_playClass);
				_autoRotation = true;
				autoSlide();
				return false;
			});
		}
		if(_btnPause.length) {
			_btnPause.bind(_controlEvent,function(){
				_autoRotation = false;
				if(_timer) clearTimeout(_timer);
				_this.removeClass(_playClass).addClass(_pausedClass);
				return false;
			});
		}

		// dynamic image loading (swap from ATTRIBUTE)
		function loadSlide(slide) {
			if(!slide.hasClass(_loadingClass) && !slide.hasClass(_loadedClass)) {
				var images = slide.find(_dynamicImageLoad) // pass selector here
				var imagesCount = images.length;
				if(imagesCount) {
					slide.addClass(_loadingClass);
					images.each(function(){
						var img = this;
						img.onload = function(){
							img.loaded = true;
							img.onload = null;
							setTimeout(reCalc,_duration);
						}
						img.setAttribute('src', img.getAttribute(_dynamicImageLoadAttr));
						img.setAttribute(_dynamicImageLoadAttr,'');
					}).css({opacity:0});

					function reCalc() {
						var cnt = 0;
						images.each(function(){
							if(this.loaded) cnt++;
						});
						if(cnt == imagesCount) {
							slide.removeClass(_loadingClass);
							images.animate({opacity:1},{duration:_duration,complete:function(){
								if(jQuery.browser.msie && jQuery.browser.version < 9) jQuery(this).css({opacity:'auto'})
							}});
							slide.addClass(_loadedClass)
						}
					}
				}
			}
		}

		// gallery animation
		function prevSlide() {
			if(_disableWhileAnimating && _anim) return;
			_prevIndex = _currentIndex;
			if(_currentIndex > 0) _currentIndex--;
			else {
				if(_noCycle) return;
				else _currentIndex = _slideCount-1;
			}
			switchSlide();
		}
		function nextSlide() {
			if(_disableWhileAnimating && _anim) return;
			_prevIndex = _currentIndex;
			if(_currentIndex < _slideCount-1) _currentIndex++;
			else {
				if(_noCycle) return;
				else _currentIndex = 0;
			}
			switchSlide();
		}
		function refreshStatus() {
			if(_dynamicImageLoad) loadSlide(_slides.eq(_currentIndex));
			if(_pagerLinks.length) _pagerLinks.removeClass(_activeClass).eq(_currentIndex).addClass(_activeClass);
			if(_currentNum) _currentNum.text(_currentIndex+1);
			if(_allNum) _allNum.text(_slideCount);
			_slides.eq(_prevIndex).removeClass(_activeClass);
			_slides.eq(_currentIndex).addClass(_activeClass);
			if(_noCycle) {
				if(_btnPrev.length) {
					if(_currentIndex == 0) _btnPrev.addClass(_disabledClass);
					else _btnPrev.removeClass(_disabledClass);
				}
				if(_btnNext.length) {
					if(_currentIndex == _slideCount-1) _btnNext.addClass(_disabledClass);
					else _btnNext.removeClass(_disabledClass);
				}
			}
			if(typeof _onChange === 'function') {
				_onChange(_this, _slides, _prevIndex, _currentIndex);
			}
		}
		function switchSlide() {
			_anim = true;
			if(typeof _onBeforeFade === 'function') _onBeforeFade(_this, _slides, _prevIndex, _currentIndex);
			_slides.eq(_prevIndex).fadeOut(_duration,function(){
				_anim = false;
			});
			_slides.eq(_currentIndex).fadeIn(_duration,function(){
				if(typeof _onAfterFade === 'function') _onAfterFade(_this, _slides, _prevIndex, _currentIndex);
			});
			if(_autoHeight) _slides.eq(_currentIndex).parent().animate({height:_slides.eq(_currentIndex).outerHeight(true)},{duration:_duration,queue:false});
			refreshStatus();
			autoSlide();
		}

		// autoslide function
		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();
			});
		}
		jQuery(window).focus(function(){
			autoSlide();
		}).blur(function(){
			clearTimeout(_timer);
			_slides.stop();
		});
		refreshStatus();
		autoSlide();
	});
}

// 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:true,
		autoRotation:false,
		stopAfterClick:false,
		switchTime:5000,
		duration:650,
		easing:'swing',
		event:'click',
		splitCount: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 _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() {
			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();
		}

		// 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();
		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;
			});
		}
		jQuery(window).focus(function(){
			autoSlide();
		}).blur(function(){
			clearTimeout(_timer);
		});

		if(_afterInit && typeof _afterInit === 'function') _afterInit(_this, _slides);
	});
}