// page init
jQuery(function(){
	initNavigation();
	initTestimonials();
	initSliders();
})

// sliders init
function initSliders() {
	// settings
	var _autoSlide = true;
	var _activeClass = 'active';
	var _switchTime = 8000;
	var _speed = 900;

	$('#carousel').each(function(){
		// gallery options
		var _holder = $(this);
		var _btnLeft = _holder.find('a.link-prev');
		var _btnRight = _holder.find('a.link-next');
		var _slidesHolder = _holder.find('>div.holder');
		var _slider = _slidesHolder.find('>ul');
		var _slides = _slider.children();
		var _slidesCount = _slides.length;
		var _slideWidth = _slides.eq(0).outerWidth(true);
		var _visibleCount = Math.round(_slidesHolder.width() / _slideWidth);
		var _currentIndex = 0;
		var _sumWidth = _slidesCount*_slideWidth;
		var _animating = false;
		var _timer;

		// gallery init
		_slider.append(_slides.clone()).append(_slides.clone());
		_slider.css({marginLeft:-_sumWidth});

		// gallery control
		_btnLeft.click(function(){
			prevSlide();
			return false;
		});
		_btnRight.click(function(){
			nextSlide();
			return false;
		});

		// gallery animation
		function prevSlide() {
			if(_animating) return;
			_currentIndex--;
			switchSlide();
		}
		function nextSlide() {
			if(_animating) return;
			_currentIndex++;
			switchSlide();
		}

		function switchSlide() {
			_animating = true;
			_slider.animate({marginLeft:-_sumWidth-_currentIndex*_slideWidth},{duration:_speed, queue:false,complete:function(){
				if(_currentIndex == _slidesCount || _currentIndex == -_slidesCount) {
					_currentIndex = 0;
					_slider.css({marginLeft:-_sumWidth});
				}
				_animating = false;
			}});
			autoSlide();
		}
		function autoSlide() {
			if(!_autoSlide) return;
			if(_timer) clearTimeout(_timer);
			_timer = setTimeout(nextSlide,_switchTime);
		}
		autoSlide();
	});
}

// testimonials init
function initTestimonials() {
	// settings
	var _waitAnimation = true;
	var _autoSlide = true;
	var _noRotationClass = 'no-rotation';
	var _easing = 'easeInOutCubic';
	var _activeClass = 'active';
	var _switchTime = 3000;
	var _speed = 600;

	// randomly reorder items
	jQuery.fn.reorder = function() {
		function randOrd() {return(Math.round(Math.random())-0.5)}
		return this.each(function() {
			var _this = $(this);
			var _children = _this.children();
			var childCount = _children.length;
			if (childCount > 1) {
				_children.remove();
				var indices = new Array();
				for (i=0;i<childCount;i++) { indices[indices.length] = i; }
				indices = indices.sort(randOrd);
				jQuery.each(indices,function(j,k) {_this.append(_children.eq(k))});
			}
		})
	}

	// gallery code
	$('div.quote-gallery').each(function(){
		// gallery options
		var _holder = $(this);
		var _slidesHolder = _holder;
		var _slider = _slidesHolder.find('div.quote-slider');
		var _slides = _slider.children();
		var _slidesCount = _slides.length;
		var _slideHeight = _slides.eq(0).outerHeight(true);
		var _visibleCount = Math.round(_slidesHolder.height() / _slideHeight);
		var _currentIndex = 0;
		var _oldIndex = _currentIndex;
		var _animating = false;
		var _direction;
		var _timer;

		// slider height
		_holder.css({position:'relative'});
		_slider.reorder();
		_slides = _slider.children();
		_slider.css({height:_slides.eq(0).outerHeight(true)});
		_slides.show().css({position:'absolute',top:_slideHeight,left:0});
		_slides.eq(_currentIndex).css({top:0});
		if(_holder.hasClass(_noRotationClass)) return;

		function prevSlide() {
			if(_animating) return;
			_oldIndex = _currentIndex;
			if(_currentIndex > 0) _currentIndex--;
			else _currentIndex = _slidesCount-1;
			_direction = false;
			switchSlide();
		}
		function nextSlide() {
			if(_animating) return;
			_oldIndex = _currentIndex;
			if(_currentIndex < _slidesCount-1) _currentIndex++;
			else _currentIndex = 0;
			_direction = true;
			switchSlide();
		}

		// gallery animation
		function switchSlide() {
			if(_waitAnimation) _animating = true;
			_slides.eq(_currentIndex).css({top:(_direction ? _slideHeight : -_slideHeight)}).animate({top:0},{duration:_speed, easing:_easing,complete:function(){
				_animating = false;
			}});
			_slides.eq(_oldIndex).animate({top:(_direction ? -_slideHeight : _slideHeight)},{duration:_speed, queue:false,easing:_easing});
			autoSlide();
		}
		function autoSlide() {
			if(!_autoSlide) return;
			if(_timer) clearTimeout(_timer);
			_timer = setTimeout(nextSlide,_switchTime);
		}
		autoSlide();
	})
}

// main navigation init
function initNavigation() {
	initNav({
		menuId: "main-nav",
		hoverClass: "hover",
		dropExistenceClass: "has-drop-down",
		sideClasses: true,
		cleverMode: true,
		flexibility: true,
		menuPaddings: 10,
		minWidth: 120
	});
}
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.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(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;
	}
}

/* jQuery Easing v1.3 - http://gsgd.co.uk/sandbox/jquery/easing/ */
jQuery.easing['jswing'] = jQuery.easing['swing'];
jQuery.extend( jQuery.easing,
{
	def: 'easeOutQuad',
	swing: function (x, t, b, c, d) {
		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;
	}
});
