$(document).ready(function(){
	initCycleGallery();
	initPage();
	ieHover();
});

// horizontal gallery init
function initCycleGallery(){
	// settings
	var _activeClass = 'active';
	var _switchTime = 0;
	var _speed = 1200;

	$('div.gallery').each(function(){
		// gallery options
		var _holder = $(this);
		var _btnPrev = _holder.find('a.prev');
		var _btnNext = _holder.find('a.next');
		var _slidesHolder = _holder.find('div.logos');
		var _slider = _slidesHolder.find('ul');
		var _slides = _slider.children();
		var _slidesCount = _slides.length;
		var _currentIndex = 0;
		var _sumWidth = 0;
		var _animating = false;
		var _autoRotation = true;
		var _rotateDirection = nextSlide;
		var _pauseOnHover = true;
		var _timer;
		
		_holder.css({position: 'relative'});
		_slider.css({position: 'relative'});
		// gallery init
		_slides.each(function(ind){
			_sumWidth += $(this).attr('rel',ind).outerWidth(true);
		});
		_slider.prepend(_slides.clone()).append(_slides.clone());
		_slider.css({marginLeft:-_sumWidth + 70});
		
		if(_autoRotation){autoRotate();}
		
		function autoRotate() {
			if(_timer) clearInterval(_timer);
			_timer = setInterval(_rotateDirection, _switchTime);
		}
		
		if(_pauseOnHover){
			_holder.hover(function(){
				if(_timer) clearInterval(_timer);
			},function(){
				autoRotate();
			});
		}
		
		// gallery control
		_btnPrev.click(prevSlide);
		_btnNext.click(nextSlide);

		// gallery animation
		function prevSlide() {
			if(!_animating) {
				_currentIndex--;
				switchSlide();
			}
			return false;
		}
		function nextSlide() {
			if(!_animating) {
				_currentIndex++;
				switchSlide();
			}
			return false;
		}

		function switchSlide() {
			_animating = true;
			var offset = 0;
			if(_currentIndex>=0) offset = -_sumWidth- _slider.children().eq(_currentIndex ).position().left
			else offset = -_slider.children().eq(_slidesCount+_currentIndex).position().left;
			
			_slider.animate({marginLeft:offset},{duration:_speed, queue:false,complete:function(){
				if(Math.abs(_currentIndex) == _slidesCount) {
					_currentIndex = 0;
					_slider.css({marginLeft:-_sumWidth + 70});
				}
				_animating = false;
			}});
		}

		// event handler
		_holder.bind('scrollto',function(e,h){
			if(!_animating) {
				if(_currentIndex == _slidesCount-1) _currentIndex = _slidesCount;
				else _currentIndex = h.num;
				switchSlide();
			}
		})

		// clone events
		_slider.children().each(function(){
			var link = $(this);
			var ind = parseInt(link.attr('rel'));
			link.click(function(){
				_holder.trigger('setslide',{num:ind});
				return false;
			})
		})
	});
}

//clear form js
function initPage()
{
	clearFormFields({
		clearInputs: true,
		clearTextareas: true,
		passwordFieldText: false,
		addClassFocus: "focus",
		filterClass: "default"
	});
}
function clearFormFields(o)
{
	if (o.clearInputs == null) o.clearInputs = true;
	if (o.clearTextareas == null) o.clearTextareas = true;
	if (o.passwordFieldText == null) o.passwordFieldText = false;
	if (o.addClassFocus == null) o.addClassFocus = false;
	if (!o.filterClass) o.filterClass = "default";
	if(o.clearInputs) {
		var inputs = document.getElementsByTagName("input");
		for (var i = 0; i < inputs.length; i++ ) {
			if((inputs[i].type == "text" || inputs[i].type == "password") && inputs[i].className.indexOf(o.filterClass) == -1) {
				inputs[i].valueHtml = inputs[i].value;
				inputs[i].onfocus = function ()	{
					if(this.valueHtml == this.value) this.value = "";
					if(this.fake) {
						inputsSwap(this, this.previousSibling);
						this.previousSibling.focus();
					}
					if(o.addClassFocus && !this.fake) {
						this.className += " " + o.addClassFocus;
						this.parentNode.className += " parent-" + o.addClassFocus;
					}
				}
				inputs[i].onblur = function () {
					if(this.value == "") {
						this.value = this.valueHtml;
						if(o.passwordFieldText && this.type == "password") inputsSwap(this, this.nextSibling);
					}
					if(o.addClassFocus) {
						this.className = this.className.replace(o.addClassFocus, "");
						this.parentNode.className = this.parentNode.className.replace("parent-"+o.addClassFocus, "");
					}
				}
				if(o.passwordFieldText && inputs[i].type == "password") {
					var fakeInput = document.createElement("input");
					fakeInput.type = "text";
					fakeInput.value = inputs[i].value;
					fakeInput.className = inputs[i].className;
					fakeInput.fake = true;
					inputs[i].parentNode.insertBefore(fakeInput, inputs[i].nextSibling);
					inputsSwap(inputs[i], null);
				}
			}
		}
	}
	if(o.clearTextareas) {
		var textareas = document.getElementsByTagName("textarea");
		for(var i=0; i<textareas.length; i++) {
			if(textareas[i].className.indexOf(o.filterClass) == -1) {
				textareas[i].valueHtml = textareas[i].value;
				textareas[i].onfocus = function() {
					if(this.value == this.valueHtml) this.value = "";
					if(o.addClassFocus) {
						this.className += " " + o.addClassFocus;
						this.parentNode.className += " parent-" + o.addClassFocus;
					}
				}
				textareas[i].onblur = function() {
					if(this.value == "") this.value = this.valueHtml;
					if(o.addClassFocus) {
						this.className = this.className.replace(o.addClassFocus, "");
						this.parentNode.className = this.parentNode.className.replace("parent-"+o.addClassFocus, "");
					}
				}
			}
		}
	}
	function inputsSwap(el, el2) {
		if(el) el.style.display = "none";
		if(el2) el2.style.display = "inline";
	}
}

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/*parametrs [selector, hover_class]*/
function ieHover() {
	hoverForIE6(".boxes .box", "hover");
}
