/* --------------------------------------------------------------------*\
*                                                                       *
*  This file is a part of ArtWeb effects manager, created by ArtWeb OÜ. *
*                                                                       *
*  Any unauthorized use of this file is strictly prohibited.            *
*  For all questions concerning the usage of this code please send an   * 
*  email to info@art-web.ee or contact us on http://www.art-web.ee      *
*                                                                       *
/* --------------------------------------------------------------------*/
var artWebDarkLayer = new function()
{
	this.showLayer = function(onclickFunction, callback)
	{
		opacityHandler.setOpacity(this.domElement, 0);
		this.domElement.style.display = 'block';
		
		var parameters = {end:this.fullOpacity, step:this.step};
		
		if (callback)
		{
			artWebEffectsManager.startEffect('opacity', this.domElement, parameters, callback);
		}
		else
		{
			artWebEffectsManager.startEffect('opacity', this.domElement, parameters);
		}
		
		if (!onclickFunction)
		{
			var onclickFunction = this.hideLayer;
		}
		addHandler(this.domElement, "click", onclickFunction);
	}
	this.hideLayer = function()
	{
		var parameters = {end:0, step: instance.step};
		var callback = instance.hideLayerStyle;
		artWebEffectsManager.startEffect('opacity', instance.domElement, parameters, callback);
	}
	this.hideLayerStyle = function()
	{
		instance.domElement.style.display = 'none';
	}
	this.init = function()
	{
		if (instance.domElement == null)
		{
			var viewPortWidth = document.documentElement.scrollWidth;
			var viewPortHeight = document.documentElement.scrollHeight;
			var domElement = document.createElement('div');
			domElement.style.backgroundColor = instance.backgroundColor;
			domElement.style.position = 'absolute';
			domElement.style.top = '0';
			domElement.style.left = '0';
			domElement.style.width = viewPortWidth + 'px';
			domElement.style.height = viewPortHeight + 'px';
			domElement.style.zIndex = '999';
			domElement.style.display = 'none';
			instance.domElement = domElement;
			document.body.appendChild(domElement);
		}
	}
	
	var instance = this;
	this.domElement = null;
	this.fullOpacity = 0.9;
	this.step = 0.25;
	this.backgroundColor = '#000000';
	addHandler(window, "load", this.init);
};
/* --------------------------------------------------------------------*\
*                                                                       *
*  This file is a part of ArtWeb effects manager, created by ArtWeb OÜ. *
*                                                                       *
*  Any unauthorized use of this file is strictly prohibited.            *
*  For all questions concerning the usage of this code please send an   * 
*  email to info@art-web.ee or contact us on http://www.art-web.ee      *
*                                                                       *
/* --------------------------------------------------------------------*/

function artWebEffect_opacity()
{
	this.renderFrame = function(frame)
	{
		var direction = 1;
		var startOpacity = this.startOpacity;
		var endOpacity = this.parameters.end;
		var opacityStep = this.parameters.step;
		if (startOpacity > endOpacity)
		{
			direction = -1;
		}
		var currentOpacity = (startOpacity + opacityStep * frame * direction);
		if (currentOpacity*direction > endOpacity*direction) currentOpacity = endOpacity;
		opacityHandler.setOpacity(this.element, currentOpacity);
	}
	this.calculateFramesCount = function()
	{
		var direction = 1;
		var startOpacity = opacityHandler.getOpacity(this.element);
		this.startOpacity = startOpacity;
		var endOpacity = this.parameters.end;
		var opacityStep = this.parameters.step;
		var framesCount = 0;
		
		if (startOpacity > endOpacity)
		{
			direction = -1;
		}
		var opacityChange = (endOpacity - startOpacity)*direction;
		
		framesCount = Math.ceil(opacityChange / opacityStep) + 1;
		return framesCount;
	}
	
	var instance = this;
	this.opacityType = false;
	this.defaults = {end: 0, step: 0.01};
};
/* --------------------------------------------------------------------*\
*                                                                       *
*  This file is a part of ArtWeb effects manager, created by ArtWeb OÜ. *
*                                                                       *
*  Any unauthorized use of this file is strictly prohibited.            *
*  For all questions concerning the usage of this code please send an   * 
*  email to info@art-web.ee or contact us on http://www.art-web.ee      *
*                                                                       *
/* --------------------------------------------------------------------*/

function artWebEffect_position()
{
	this.renderFrame = function(frame)
	{
		var xDirection = 1;
		var yDirection = 1;
		
		var xStep = this.xStep;
		var yStep = this.yStep;
		
		var xSource = this.xSource;
		var ySource = this.ySource;
		
		var xTarget = this.parameters.xTarget;
		var yTarget = this.parameters.yTarget;
		
		var positionStep = this.parameters.step;
		
		if (xSource > xTarget)
		{
			xDirection = -1;
		}
		if (ySource > yTarget)
		{
			yDirection = -1;
		}
		
		var xPath = (xTarget - xSource)*xDirection;
		var yPath = (yTarget - ySource)*yDirection;
		
		var currentXPosition = (xSource + xStep * frame * xDirection);
		var currentYPosition = (ySource + yStep * frame * yDirection);
		
		this.element.style.left = currentXPosition+'px';
		this.element.style.top = currentYPosition+'px';
	}
	this.calculateFramesCount = function()
	{
		this.xSource = this.element.offsetLeft;
		this.ySource = this.element.offsetTop;
		
		var xDirection = 1;
		var yDirection = 1;
		
		var xSource = this.xSource;
		var ySource = this.ySource;
		
		var xTarget = this.parameters.xTarget;
		var yTarget = this.parameters.yTarget;
		
		var positionStep = this.parameters.step;
		var framesCount = 0;
		
		if (xSource > xTarget)
		{
			xDirection = -1;
		}
		if (ySource > yTarget)
		{
			yDirection = -1;
		}
		
		var xPath = (xTarget - xSource)*xDirection;
		var yPath = (yTarget - ySource)*yDirection;
		
		var overallPath = Math.sqrt((xPath*xPath + yPath*yPath));
		
		framesCount = Math.ceil(overallPath / positionStep) + 1;
		
		this.xStep = xPath/framesCount;
		this.yStep = yPath/framesCount;
		
		return framesCount;
	}
	
	var instance = this;
	this.opacityType = false;
	this.defaults = {end: 0, step: 0.01};
};
/* --------------------------------------------------------------------*\
*                                                                       *
*  This file is a part of ArtWeb effects manager, created by ArtWeb OÜ. *
*                                                                       *
*  Any unauthorized use of this file is strictly prohibited.            *
*  For all questions concerning the usage of this code please send an   * 
*  email to info@art-web.ee or contact us on http://www.art-web.ee      *
*                                                                       *
/* --------------------------------------------------------------------*/

var artWebEffectsManager = new function()
{
	this.startEffect = function(effectName, element, parameters, callback)
	{
		var effectObject = null;
		if (effectObject = this.getEffectObject(effectName))
		{
			effectObject.element = element;
			this.registerEffectOnElement(effectName, element);
			this.clearTimeOuts(element.artWebEffects[effectName]);
			
			this.setEffectParameters(effectObject, parameters);
			this.assignTimeouts(effectObject, callback);
		}
	}
	this.assignTimeouts = function(effectObject, callback)
	{
		var framesCount = effectObject.calculateFramesCount();
		var timeOutDelay = this.timeOutDelay;
		var timeoutsArray = new Array();
		for (frame = 0; frame < framesCount; frame++)
		{
			var currentDelay = frame * timeOutDelay;
			
			timeoutsArray[frame] = setTimeout(
			function(effectObject, frame)
			{
				return function(){effectObject.renderFrame(frame);};
			}(effectObject, frame), currentDelay);
		}
		
		if (callback)
		{
			callBackDelay = framesCount * timeOutDelay;
			timeoutsArray[framesCount] = setTimeout(callback, callBackDelay);
		}
		
		effectObject.element.artWebEffects[effectObject.effectName] = timeoutsArray;
	}
	this.setEffectParameters = function(effectObject, parameters)
	{
		effectObject.parameters = new Array();
		if (effectObject.defaults)
		{
			effectObject.parameters = effectObject.defaults;
		}
		for (var index in parameters)
		{
			effectObject.parameters[index] = parameters[index];
		}
	}
	this.registerEffectOnElement = function(effectName, element)
	{
		if (!element.artWebEffects)
		{
			element.artWebEffects = new Array();
		}
		
		if (!element.artWebEffects[effectName])
		{
			element.artWebEffects[effectName] = new Array();
		}
	}
	this.clearTimeOuts = function(timeOutsList)
	{
		for (var index in timeOutsList)
		{
			clearTimeout(timeOutsList[index]);
		}
	}
	this.getEffectObject = function(effectName)
	{
		var newEffect = false;
		try
		{
			newEffect = eval('new artWebEffect_'+effectName);
			newEffect.effectName = effectName;
		}
		catch(error)
		{
			//~ alert('Effect load error');
		}
		return newEffect;
	}

	this.timeOutDelay = 50;
};
/* --------------------------------------------------------------------*\
*                                                                       *
*  This file is a part of ArtWeb effects manager, created by ArtWeb OÜ. *
*                                                                       *
*  Any unauthorized use of this file is strictly prohibited.            *
*  For all questions concerning the usage of this code please send an   * 
*  email to info@art-web.ee or contact us on http://www.art-web.ee      *
*                                                                       *
/* --------------------------------------------------------------------*/

function artWebGallery(imagesUrlList)
{
	this.registerImagesUrls = function()
	{
		for (var index in instance.incomingImageUrls)
		{
			if (document.getElementById(index))
			{
				imageElement = document.getElementById(index);
				addHandler(imageElement, "click", instance.showClickedImage);
				instance.imagesUrlList[index] = instance.incomingImageUrls[index];
			}
		}
		instance.createLeftSide();
		instance.createRightSide();
		instance.createPreviousButton();
		instance.createNextButton();
		instance.createCloseButton();
	}
	this.createLeftSide = function()
	{
		var leftSide = document.createElement('div');
		leftSide.className = 'artWebGalleryLeftSide';
		addHandler(leftSide, "click", this.showPreviousImage);
		addHandler(leftSide, "mouseover", this.showPreviousButton);
		addHandler(leftSide, "mouseout", this.hidePreviousButton);
		document.body.appendChild(leftSide);
		this.leftSide = leftSide;
	}
	this.createPreviousButton = function()
	{
		var previousButton = document.createElement('div');
		previousButton.className = 'artWebGalleryPrevious';
		this.leftSide.appendChild(previousButton);
		this.previousButtonElement = previousButton;
	}
	this.createRightSide = function()
	{
		var rightSide = document.createElement('div');
		rightSide.className = 'artWebGalleryRightSide';
		addHandler(rightSide, "click", this.showNextImage);
		addHandler(rightSide, "mouseover", this.showNextButton);
		addHandler(rightSide, "mouseout", this.hideNextButton);
		document.body.appendChild(rightSide);
		this.rightSide = rightSide;
	}
	this.createNextButton = function()
	{	
		var nextButton = document.createElement('div');
		nextButton.className = 'artWebGalleryNext';
		this.rightSide.appendChild(nextButton);
		this.nextButtonElement = nextButton;
	}
	this.createCloseButton = function()
	{	
		var closeButton = document.createElement('div');
		closeButton.className = 'artWebGalleryClose';
		addHandler(closeButton, "click", this.hideGallery);
		document.body.appendChild(closeButton);
		this.closeButtonElement = closeButton;
	}
	this.showClickedImage = function(event)
	{
		var clickedImage = getEventTarget(event);
		instance.currentImageId = clickedImage.id;
		instance.showGallery();
	}
	this.showGallery = function(event)
	{
		instance.status = 'visible';
		artWebDarkLayer.showLayer(instance.hideGallery, instance.checkCurrentImage);
		instance.closeButtonElement.style.display = 'block';
	}
	this.showNextImage = function(event)
	{
		cancelBubbling(event);
		instance.hideCurrentImage();
		
		instance.currentImageId = instance.nextImageId;
		instance.checkCurrentImage();
	}
	this.showPreviousImage = function(event)
	{
		cancelBubbling(event);
		instance.hideCurrentImage();
		
		instance.currentImageId = instance.previousImageId;
		instance.checkCurrentImage();
	}
	this.checkCurrentImage = function()
	{
		var currentImageId = instance.currentImageId;
		if (!instance.imagesElementsList[currentImageId])
		{
			instance.originalCursor = instance.getCursorValue(document.documentElement);
			document.documentElement.style.cursor = 'wait';
			var fullImageUrl = instance.imagesUrlList[currentImageId];
			var newImage = document.createElement('img');
			newImage.src = fullImageUrl;
			newImage.style.position = 'absolute';
			newImage.style.zIndex = '1000';
			opacityHandler.setOpacity(newImage, 0);
			document.body.appendChild(newImage);

			instance.imagesElementsList[currentImageId] = newImage;
		}
		else
		{
			opacityHandler.setOpacity(instance.imagesElementsList[currentImageId], 0);
			instance.imagesElementsList[currentImageId].style.display = 'block';
		}
		
		if (!instance.imagesElementsList[currentImageId].complete)
		{
			instance.preloadTimeoutID = setTimeout(function(){instance.checkCurrentImage()}, 100);
		}
		else
		{
			document.documentElement.style.cursor = instance.originalCursor;
			instance.renderCurrentImage();
		}
	}
	this.renderCurrentImage = function()
	{
		var imageElement = this.imagesElementsList[this.currentImageId];
		
		var imageWidth = imageElement.offsetWidth;
		var imageHeight = imageElement.offsetHeight;
		var aspectRatio = imageWidth/imageHeight;
		
		if (window.pageYOffset)
		{
			var viewPortLeft = window.pageXOffset;
			var viewPortTop = window.pageYOffset;
		}
		else
		{
			var viewPortLeft = document.documentElement.scrollLeft;
			var viewPortTop = document.documentElement.scrollTop;
		}
		
		var viewPortWidth = document.documentElement.offsetWidth;
		var viewPortHeight = document.documentElement.offsetHeight;
		
		var resizedWidth = imageWidth;
		var resizedHeight = imageHeight;
		if (resizedWidth > viewPortWidth * this.imageProportion)
		{
			resizedWidth = viewPortWidth * this.imageProportion;
			resizedHeight = resizedWidth/aspectRatio;
		}
		if (resizedHeight > viewPortHeight * this.imageProportion)
		{
			resizedHeight = viewPortHeight * this.imageProportion;
			resizedWidth = resizedHeight*aspectRatio;
		}
		var positionLeft = viewPortLeft + (viewPortWidth - resizedWidth) / 2;
		var positionTop = viewPortTop + (viewPortHeight - resizedHeight) / 2;
		
		imageElement.style.width = resizedWidth + 'px';
		imageElement.style.height = resizedHeight + 'px';
		imageElement.style.top = positionTop + 'px';
		imageElement.style.left = positionLeft + 'px';
		imageElement.style.opacity = '0';
		
		this.checkButtons();
		
		var parameters = {end:1, step: instance.opacityStep};
		artWebEffectsManager.startEffect('opacity', imageElement, parameters);
	}
	this.checkButtons = function()
	{
		var previousElement = null;
		var nextElement = null;
		var currentElement = null;
		var currentImageId = this.currentImageId;
		
		for (var index in this.imagesUrlList)
		{
			if (currentImageId == index)
			{
				currentElement = index;
			}
			else if(nextElement == null && currentElement != null)
			{
				nextElement = index;
			}
			
			if (currentElement == null)
			{
				previousElement = index;
			}
		}
		var imageElement = this.imagesElementsList[currentImageId];
		var imageElementLeft = imageElement.offsetLeft;
		var imageElementTop = imageElement.offsetTop;
		var imageElementWidth = imageElement.offsetWidth;
		var imageElementHeight = imageElement.offsetHeight;
		
		var leftSide = this.leftSide;
		var rightSide = this.rightSide;
		var previousButtonElement = this.previousButtonElement;
		var nextButtonElement = this.nextButtonElement;
		var closeButtonElement = this.closeButtonElement;
		
		if (previousElement != null)
		{
			this.previousImageId = previousElement;
			
			leftSide.style.left = imageElementLeft + 'px';
			leftSide.style.top = imageElementTop + 'px';
			leftSide.style.width = (imageElementWidth/2) + 'px';
			leftSide.style.height = imageElementHeight + 'px';
			leftSide.style.display = 'block';
			
			previousButtonElement.style.top = ((leftSide.offsetHeight - previousButtonElement.offsetHeight)/2) + 'px';
		}
		else
		{
			leftSide.style.display = 'none';
		}

		if (nextElement != null)
		{
			this.nextImageId = nextElement;
			
			rightSide.style.left = (imageElementLeft + imageElementWidth/2) + 'px';
			rightSide.style.top = imageElementTop + 'px';
			rightSide.style.width = (imageElementWidth/2) + 'px';
			rightSide.style.height = imageElementHeight + 'px';
			rightSide.style.display = 'block';
			nextButtonElement.style.top = ((rightSide.offsetHeight - nextButtonElement.offsetHeight)/2) + 'px';
		}
		else
		{
			rightSide.style.display = 'none';
		}
		
		closeButtonElement.style.top = (imageElementTop - 17) + 'px';
		closeButtonElement.style.left = (imageElementLeft + imageElementWidth - closeButtonElement.offsetWidth + 16) + 'px';
	}
	this.showPreviousButton = function()
	{
		instance.previousButtonElement.style.visibility = 'visible';
	}
	this.hidePreviousButton = function()
	{
		instance.previousButtonElement.style.visibility = 'hidden';
	}
	this.showNextButton = function()
	{
		instance.nextButtonElement.style.visibility = 'visible';
	}
	this.hideNextButton = function()
	{
		instance.nextButtonElement.style.visibility = 'hidden';
	}
	this.hideGallery = function()
	{
		instance.status = 'hidden';
		
		instance.hideCurrentImage();
		
		clearTimeout(instance.preloadTimeoutID);
		document.documentElement.style.cursor = instance.originalCursor;
		
		instance.leftSide.style.display = 'none';
		instance.rightSide.style.display = 'none';
		instance.closeButtonElement.style.display = 'none';
	}
	this.hideCurrentImage = function()
	{
		var imageElement = instance.imagesElementsList[instance.currentImageId];
		var parameters = {end:0, step: instance.opacityStep};
		artWebEffectsManager.startEffect('opacity', imageElement, parameters, function(){instance.afterFadeOut(imageElement)});
	}
	this.afterFadeOut = function(imageElement)
	{
		imageElement.style.display = 'none';
		if (instance.status == 'hidden')
		{
			artWebDarkLayer.hideLayer();
		}
	}
	this.getCursorValue = function(element)
	{
		var value = null;
		if (element.currentStyle)
		{
			value = element.currentStyle['cursor'];
		}
		else if (window.getComputedStyle)
		{
			value = document.defaultView.getComputedStyle(element, null).getPropertyValue('cursor');
		}
		return value;
	}
	var instance = this;
	this.incomingImageUrls = new Array();
	this.imagesUrlList = new Array();
	this.imagesElementsList = new Array();
	this.currentImageId = null;
	this.preloadTimeoutID = null;
	this.imageProportion = 0.8;
	this.opacityStep = 0.175;
	this.previousButtonElement = null;
	this.nextButtonElement = null;
	this.nextImageId = null;
	this.previousImageId = null;
	this.status = 'hidden';
	this.originalCursor = 'auto';
	
	if (imagesUrlList)
	{
		this.incomingImageUrls = imagesUrlList;
		addHandler(window, "load", this.registerImagesUrls);
	}
};
/* --------------------------------------------------------------------*\
*                                                                       *
*  This file is a part of ArtWeb effects manager, created by ArtWeb OÜ. *
*                                                                       *
*  Any unauthorized use of this file is strictly prohibited.            *
*  For all questions concerning the usage of this code please send an   * 
*  email to info@art-web.ee or contact us on http://www.art-web.ee      *
*                                                                       *
/* --------------------------------------------------------------------*/

function artWebMouseTracker()
{
	this.init = function()
	{
		addHandler(document, 'mousemove', this.captureMouseCoordinates);
	}
	this.captureMouseCoordinates = function(event)
	{
		var mouseX = 0;
		var mouseY = 0;
		var IE = document.all?true:false;
		if (!IE)
		{
			mouseX = event.pageX;
			mouseY = event.pageY;
		}
		else
		{
			mouseX = window.event.clientX + document.documentElement.scrollLeft;
			mouseY = window.event.clientY + document.documentElement.scrollTop;
		}
		
		if (mouseX < 0)
		{
			mouseX = 0;
		}
		if (mouseY < 0)
		{
			mouseY = 0;
		}
		
		thisObj.mouseX = mouseX;
		thisObj.mouseY = mouseY;
	}
	this.checkMouseOver = function(domElement)
	{
		var currentMouseX = this.mouseX;
		var currentMouseY = this.mouseY;
		
		var elementCoordinates = this.getElementCoordinates(domElement);
		
		var elementX = elementCoordinates[0];
		var elementY = elementCoordinates[1];
		
		var elementWidth = domElement.offsetWidth;
		var elementHeight = domElement.offsetHeight;
		
		var check = false;
		if (currentMouseX > elementX && currentMouseX < elementX + elementWidth)
		{
			if (currentMouseY > elementY && currentMouseY < elementY + elementHeight)
			{
				check = true;
			}
		}
		
		return check;
	}
	this.getDelta = function(event)
	{
		var delta = 0;
		if (event.wheelDelta) 
		{
			delta = event.wheelDelta/120;
		} 
		else if (event.detail) 
		{ 
			delta = -event.detail/3;
		}
		return delta;
	}
	this.getElementCoordinates = function(domElement) 
	{
		var curleft = curtop = 0;
		if (domElement.offsetParent)
		{
			var curleft = domElement.offsetLeft;
			var curtop = domElement.offsetTop;
			while (domElement = domElement.offsetParent) 
			{
				curleft += domElement.offsetLeft - domElement.scrollLeft;
				curtop += domElement.offsetTop - domElement.scrollTop;
			}
		}
		return [curleft,curtop];
	}

	
	var thisObj = this;
	this.mouseX = 0;
	this.mouseY = 0;
	
	this.init();
};
/* --------------------------------------------------------------------*\
*                                                                       *
*  This file is a part of ArtWeb effects manager, created by ArtWeb OÜ. *
*                                                                       *
*  Any unauthorized use of this file is strictly prohibited.            *
*  For all questions concerning the usage of this code please send an   * 
*  email to info@art-web.ee or contact us on http://www.art-web.ee      *
*                                                                       *
/* --------------------------------------------------------------------*/

function artWebScrollBar(scrollContent, scrollBar, scrollUp, scrollDown)
{
	this.checkScrollVisibility = function()
	{
		var scrollVisible = false;
		if (this.scrollContent.offsetHeight < this.scrollContent.scrollHeight)
		{
			scrollVisible = true;
		}
		return scrollVisible;
	}
	this.showScrollBar = function()
	{
		this.scrollContent.style.overflow = 'hidden';
		var scrollBar = this.getScrollBar();
		instance.calculateScrollBarSliderTop();
		scrollBar.style.display = 'block';
	}
	this.getScrollBar = function()
	{
		if (!this.scrollBarElement)
		{
			this.scrollBarElement = this.createScrollBar();
			this.calculateScrollBarDimensions();
		}
		return this.scrollBarElement;
	}
	this.getScrollBarDown = function()
	{
		if (!this.scrollBarDownElement)
		{
			this.scrollBarDownElement = this.createScrollBarDown();
		}
		return this.scrollBarDownElement;
	}
	this.getScrollBarUp = function()
	{
		if (!this.scrollBarUpElement)
		{
			this.scrollBarUpElement = this.createScrollBarUp();
		}
		return this.scrollBarUpElement;
	}
	this.getScrollBarTrack = function()
	{
		if (!this.scrollBarTrackElement)
		{
			this.scrollBarTrackElement = this.createScrollBarTrack();
		}
		return this.scrollBarTrackElement;
	}
	this.getScrollBarSlider = function()
	{
		if (!this.scrollBarSliderElement)
		{
			this.scrollBarSliderElement = this.createScrollBarSlider();
		}
		return this.scrollBarSliderElement;
	}
	this.createScrollBar = function()
	{
		var scrollBarElement = document.createElement('div');
		scrollBarElement.className = 'artWebScrollBar';
		
		var scrollUp = this.getScrollBarUp();
		var scrollTrack = this.getScrollBarTrack();
		var scrollDown = this.getScrollBarDown();
		
		scrollBarElement.appendChild(scrollUp);
		scrollBarElement.appendChild(scrollTrack);
		scrollBarElement.appendChild(scrollDown);
		
		this.scrollContent.parentNode.appendChild(scrollBarElement);
		return scrollBarElement;
	}
	this.recalculateScrollBar = function()
	{
		instance.calculateScrollBarDimensions();
		instance.calculateScrollBarSliderTop();
	}
	this.calculateScrollBarSliderTop = function()
	{
		instance.scroll(1, 0);
	}
	this.calculateScrollBarDimensions = function()
	{
		var scrollBarElement = instance.scrollBarElement;
		scrollBarElement.style.left = (instance.scrollContent.offsetLeft + instance.scrollContent.offsetWidth - scrollBarElement.offsetWidth) + 'px';
		scrollBarElement.style.height = instance.scrollContent.offsetHeight + 'px';
		scrollBarElement.style.top = instance.scrollContent.offsetTop + 'px';
	}
	this.createScrollBarUp = function()
	{
		var scrollBarUpElement = document.createElement('div');
		scrollBarUpElement.className = 'artWebScrollBarUp';
		return scrollBarUpElement;
	}
	this.createScrollBarDown = function()
	{
		var scrollBarDownElement = document.createElement('div');
		scrollBarDownElement.className = 'artWebScrollBarDown';
		return scrollBarDownElement;
	}
	this.createScrollBarTrack = function()
	{
		var scrollBarTrackElement = document.createElement('div');
		scrollBarTrackElement.className = 'artWebScrollBarTrack';
		
		var scrollBarSliderElement = this.getScrollBarSlider();
		scrollBarTrackElement.appendChild(scrollBarSliderElement);
		
		return scrollBarTrackElement;
	}
	this.createScrollBarSlider = function()
	{
		var scrollBarSliderElement = document.createElement('div');
		scrollBarSliderElement.className = 'artWebScrollBarSlider';
		
		return scrollBarSliderElement;
	}
	this.init = function()
	{
		if (!window.mouseTracker)
		{
			window.mouseTracker = new artWebMouseTracker();
		}

		if (this.checkScrollVisibility())
		{
			this.showScrollBar();
			addHandler(document, 'mousedown', this.checkScrollBarDrag);
			addHandler(document, 'mousewheel', this.catchMouseWheel);
			addHandler(window, 'resize', this.recalculateScrollBar);
		}
	}
	
	this.catchMouseWheel = function(event)
	{
		if (window.mouseTracker.checkMouseOver(instance.scrollContent))
		{
			var delta = window.mouseTracker.getDelta(event);
			if (delta > 0)
			{
				instance.scrollPage(-1, delta/20);
			}
			else if (delta < 0)
			{
				instance.scrollPage(1, delta/-20);
			}
		}
	}
	this.checkScrollBarDrag = function()
	{
		if (window.mouseTracker.checkMouseOver(instance.getScrollBarSlider()))
		{
			instance.startDrag();
		}
		else if (window.mouseTracker.checkMouseOver(instance.getScrollBarTrack()))
		{
			instance.trackClick();
		}
		else if (window.mouseTracker.checkMouseOver(instance.getScrollBarUp()))
		{
			instance.scrollLine(-1);
		}
		else if (window.mouseTracker.checkMouseOver(instance.getScrollBarDown()))
		{
			instance.scrollLine(1);
		}
	}
	this.trackClick = function()
	{
		var sliderTop = this.scrollBarSliderElement.offsetTop;
		var clickY = window.mouseTracker.mouseY;
		var trackerY = window.mouseTracker.getElementCoordinates(this.scrollBarTrackElement)[1];
		var clickTop = clickY - trackerY;
		
		var direction = 1;
		if (clickTop <= sliderTop)
		{
			direction = -1;
		}
		this.scrollPage(direction);
	}
	this.scrollPage = function(direction)
	{
		this.scroll(direction, 1);
	}
	this.scroll = function(direction, percentage)
	{
		var sliderHeight = this.scrollBarSliderElement.offsetHeight;
		var trackHeight = this.scrollBarTrackElement.offsetHeight;
		var scrollHeight = this.scrollContent.scrollHeight;
		var scrollTop = this.scrollContent.scrollTop;
		var viewHeight = this.scrollContent.offsetHeight;
		var newY = (scrollTop + viewHeight*direction*percentage)/(scrollHeight - viewHeight)*(trackHeight - sliderHeight);
		
		newY = this.validateNewY(newY);
		
		this.scrollBarSliderElement.style.top = newY + 'px';
		this.synchronizeScrolls();
	}
	this.scrollLine = function(direction)
	{
		this.scrollPage(direction, 0.2);
	}
	this.startDrag = function()
	{
		this.disableDocumentSelection();
		
		this.sliderStartY = this.scrollBarSliderElement.offsetTop;
		this.mouseStartY = window.mouseTracker.mouseY;
		addHandler(document, 'mouseup', this.endDrag);
		addHandler(document, 'mousemove', this.dragSlider);
	}
	this.disableDocumentSelection = function()
	{
		addHandler(document.documentElement, 'selectstart', this.selectionDisableHelper);
		document.documentElement.style.userSelect = 'none';
		document.documentElement.style.MozUserSelect = 'none';
	}
	this.enableDocumentSelection = function()
	{
		removeHandler(document.documentElement, 'selectstart', this.selectionDisableHelper);
		document.documentElement.style.userSelect = 'text';
		document.documentElement.style.MozUserSelect = 'text';
	}
	this.selectionDisableHelper = function()
	{
		return false;
	}
	this.dragSlider = function()
	{
		var mouseCurrentY = window.mouseTracker.mouseY;
		var newY = (instance.sliderStartY + mouseCurrentY - instance.mouseStartY);
		newY = instance.validateNewY(newY);
		instance.scrollBarSliderElement.style.top = newY + 'px';
		instance.synchronizeScrolls();
	}
	this.validateNewY = function(newY)
	{
		if (newY < 0) 
		{
			newY = 0;
		}
		else if (newY > this.scrollBarTrackElement.offsetHeight - this.scrollBarSliderElement.offsetHeight)
		{
			newY = this.scrollBarTrackElement.offsetHeight - this.scrollBarSliderElement.offsetHeight;
		}
		return newY;
	}
	this.endDrag = function()
	{
		removeHandler(document, 'mousemove', instance.dragSlider);
		instance.enableDocumentSelection();
	}
	this.synchronizeScrolls = function()
	{
		var sliderTop = this.scrollBarSliderElement.offsetTop;
		var sliderHeight = this.scrollBarSliderElement.offsetHeight;
		var trackHeight = this.scrollBarTrackElement.offsetHeight;
		var scrollHeight = this.scrollContent.scrollHeight;
		var viewHeight = this.scrollContent.offsetHeight;
		
		var newScrollPosition = 0;
		
		newScrollPosition = (sliderTop/(trackHeight - sliderHeight)) * (scrollHeight - viewHeight);
		this.scrollContent.scrollTop = newScrollPosition;
		
	}
	var instance = this;
	this.scrollContent = scrollContent;
	this.scrollBarElement = false;
	this.scrollBarDownElement = false;
	this.scrollBarUpElement = false;
	this.scrollBarTrackElement = false;
	this.scrollBarSliderElement = false;
	this.sliderStartY = 0;
	this.init();
}
function attachArtWebScrollBar(element)
{
	element.scrollBar = new artWebScrollBar(element);
};
/* --------------------------------------------------------------------*\
*                                                                       *
*  This file is a part of ArtWeb effects manager, created by ArtWeb OÜ. *
*                                                                       *
*  Any unauthorized use of this file is strictly prohibited.            *
*  For all questions concerning the usage of this code please send an   * 
*  email to info@art-web.ee or contact us on http://www.art-web.ee      *
*                                                                       *
/* --------------------------------------------------------------------*/

function getEventTarget(event) 
{
	var eventElement = null;
	if (event.target)
	{
		eventElement = event.target;
	}
	else if (event.srcElement)
	{
		eventElement = event.srcElement;
	}
	return eventElement;
}
function addHandler(object, event, handler) 
{
	if (object.addEventListener)
	{
		if (event == 'mousewheel') 
		{
			object.addEventListener('DOMMouseScroll', handler, false);
		}
		object.addEventListener(event, handler, false);
	} 
	else if (object.attachEvent) 
	{
		object.attachEvent('on' + event, handler);
	}
}

function removeHandler(object, event, handler) 
{
	if (object.removeEventListener) 
	{
		if (event == 'mousewheel') 
		{
			object.removeEventListener('DOMMouseScroll', handler, false);
		}
		object.removeEventListener(event, handler, false);
	}
	else if (object.detachEvent) 
	{
		object.detachEvent('on' + event, handler);
	}
}
function cancelBubbling(event)
{
	event.cancelBubble = true;
	if (event.stopPropagation) 
	{
		event.stopPropagation();
	}
}
;

addHandler(window, "load", onloadFunctions);

function onloadFunctions()
{
	var chance = Math.floor(Math.random()*3);
	if (chance == 1)
	{
		drakkarMove();
	}
	
	var portfolioContainers = _('.portfolio_images');
	for (index = 0; index < portfolioContainers.length; index++)
	{
		var currentContainer = portfolioContainers[index];
		var images = _('.portfolio_image', currentContainer);
		var indexedImages = buildImagesList(images);
		for (imageNumber = 0; imageNumber < images.length; imageNumber++)
		{
			var currentImage = images[imageNumber];
			currentImage.indexedImages = indexedImages;
			addHandler(currentImage, "mouseover", portfolioImageMouseOver);
			addHandler(currentImage, "mouseout", portfolioImageMouseOut);		
		}
	}
	var portfolioLinks = _('.portfolio_link');
	for (index in portfolioLinks)
	{
		if (portfolioLinks[index].tagName)
		{
			addHandler(portfolioLinks[index], "click", portfolioLinkClick);
		}
	}
	var scrollingBlock = document.getElementById('scrolling_block');
	attachArtWebScrollBar(scrollingBlock);
}

function drakkarMove(event)
{
	var drakkarBlock = document.createElement('div');
	drakkarBlock.className = 'drakkar';
	drakkarBlock.style.visibility = 'hidden';
	document.body.appendChild(drakkarBlock);
	drakkarBlock.style.left = (drakkarBlock.offsetWidth * (-1)) + 'px';
	
	var currentY = drakkarBlock.offsetTop;
	var viewportWidth = document.documentElement.offsetWidth;
	var parameters = {xTarget: viewportWidth, yTarget: currentY, step: 1};
	drakkarBlock.style.visibility = 'visible';
	artWebEffectsManager.startEffect('position', drakkarBlock, parameters);
}

function portfolioLinkClick(event)
{
	var currentElement = getEventTarget(event);
	window.open(currentElement.href);
	return false;
}
function portfolioImageMouseOver(event)
{
	var currentElement = getEventTarget(event);
	var currentZIndex = getZIndex(currentElement);
	var indexedImages = currentElement.indexedImages;
	for (index in indexedImages)
	{
		if (indexedImages[index].tagName)
		{
			indexedZIndex = getZIndex(indexedImages[index]);
			if (indexedZIndex > currentZIndex)
			{
				var parameters = {end: 0.1, step: 0.25};
				artWebEffectsManager.startEffect('opacity', indexedImages[index], parameters);
			}
		}
	}
}
function portfolioImageMouseOut(event)
{
	var currentElement = getEventTarget(event);
	var indexedImages = currentElement.indexedImages;
	for (index in indexedImages)
	{
		if (indexedImages[index].tagName)
		{
			var parameters = {end: 1, step: 0.25};
			artWebEffectsManager.startEffect('opacity', indexedImages[index], parameters);
		}
	}
}

function buildImagesList(images)
{
	var imagesList = new Array();
	for (imageNumber = 0; imageNumber < images.length; imageNumber++)
	{
		var currentImage = images[imageNumber];
		var currentZIndex =  getZIndex(currentImage);
		imagesList[currentZIndex] = currentImage;
	}
	return imagesList;
}

function getZIndex(element)
{
	var value = null;
	if (element.currentStyle)
	{
		value = element.currentStyle['zIndex'];
	}
	else if (window.getComputedStyle)
	{
		value = document.defaultView.getComputedStyle(element, null).getPropertyValue('z-index');
	}
	return value;
}

function submitFeedback()
{
	if (pageTracker)
	{
		pageTracker._trackEvent('Feedback', 'Submit');
	}
	document.getElementById("feedback").submit();
};
/* --------------------------------------------------------------------*\
*                                                                       *
*  This file is a part of ArtWeb effects manager, created by ArtWeb OÜ. *
*                                                                       *
*  Any unauthorized use of this file is strictly prohibited.            *
*  For all questions concerning the usage of this code please send an   * 
*  email to info@art-web.ee or contact us on http://www.art-web.ee      *
*                                                                       *
/* --------------------------------------------------------------------*/

var opacityHandler = new function()
{
	this.getOpacityType = function()
	{
		if (typeof(document.body.style.opacity) == 'string')
		{
			instance.opacityType = 'opacity';
		}
		else if (typeof(document.body.style.MozOpacity) == 'string')
		{
			instance.opacityType = 'MozOpacity';
		}
		else if (typeof(document.body.style.KhtmlOpacity) == 'string')
		{
			instance.opacityType = 'KhtmlOpacity';
		}
		else if (document.body.filters && navigator.appVersion.match(/MSIE ([\d.]+);/)[1] >= 5.5 )
		{
			instance.opacityType =  'filter';
		}
	}
	this.setOpacity = function(element, opacity)
	{
		if (opacity < 0)
		{
			opacity = 0;
		}
		if (this.opacityType == "filter")
		{
			try
			{
				element.filters.item('DXImageTransform.Microsoft.alpha').opacity = opacity*100;
			}
			catch(error)
			{
				element.style.filter += "progid:DXImageTransform.Microsoft.Alpha(style=0, opacity="+ Math.round(opacity*100) +", FinishOpacity="+ Math.round(opacity*100) +")";
			}
		}
		else
		{
			element.style[this.opacityType] = opacity;
		}
	}
	this.getOpacity = function(element)
	{
		if (element.filters)
		{
			try 
			{
				opacity = element.filters.item("DXImageTransform.Microsoft.Alpha").opacity / 100;
			}
			catch(error)
			{
				opacity = 1;
			}
		}
		else if (window.getComputedStyle)
		{
			opacity = document.defaultView.getComputedStyle(element, null).getPropertyValue(this.opacityType);
		}
		return parseFloat(opacity);
	}

	var instance = this;
	this.opacityType = false;
	addHandler(window, "load", this.getOpacityType);
};
/**/
(function(){var _=function(selector,root,noCache){if(_.c[selector]&&!noCache&&!root){return _.c[selector]}noCache=noCache||!!root;root=root||_.doc;var sets=[];if(/^[\w[:#.][\w\]*^|=!]*$/.test(selector)){var idx=0;switch(selector.charAt(0)){case"#":idx=selector.slice(1);sets=_.doc.getElementById(idx);if(_.browser.ie&&sets.id!==idx){sets=_.doc.all[idx]}sets=sets?[sets]:[];break;case".":var klass=selector.slice(1);if(_.k){sets=(idx=(sets=root.getElementsByClassName(klass)).length)?sets:[]}else{klass=" "+klass+" ";var nodes=root.getElementsByTagName("*"),i=0,node;while(node=nodes[i++]){if((" "+node.className+" ").indexOf(klass)!=-1){sets[idx++]=node}}sets=idx?sets:[]}break;case":":var node,nodes=root.getElementsByTagName("*"),i=0,ind=selector.replace(/[^(]*\(([^)]*)\)/,"$1"),mod=selector.replace(/\(.*/,"");while(node=nodes[i++]){if(_.mods[mod]&&!_.mods[mod](node,ind)){sets[idx++]=node}}sets=idx?sets:[];break;case"[":var nodes=root.getElementsByTagName("*"),node,i=0,attrs=/\[([^!~^*|$ [:=]+)([$^*|]?=)?([^ :\]]+)?\]/.exec(selector),attr=attrs[1],eql=attrs[2]||"",value=attrs[3];while(node=nodes[i++]){if(_.attr[eql]&&(_.attr[eql](node,attr,value)||(attr==="class"&&_.attr[eql](node,"className",value)))){sets[idx++]=node}}sets=idx?sets:[];break;default:sets=(idx=(sets=root.getElementsByTagName(selector)).length)?sets:[];break}}else{if(_.q&&selector.indexOf("!=")==-1){sets=root.querySelectorAll(selector)}else{var groups=selector.split(/ *, */),gl=groups.length-1,concat=!!gl,group,singles,singles_length,single,i,ancestor,nodes,tag,id,klass,attr,eql,mod,ind,newNodes,idx,J,child,last,childs,item,h;while(group=groups[gl--]){if(!(nodes=_.c[group])||noCache){singles_length=(singles=group.replace(/(\([^)]*)\+/,"$1%").replace(/(\[[^\]]+)~/,"$1&").replace(/(~|>|\+)/," $1 ").split(/ +/)).length;i=0;ancestor=" ";nodes=[root];while(single=singles[i++]){if(single!==" "&&single!==">"&&single!=="~"&&single!=="+"&&nodes){single=single.match(/([^[:.#]+)?(?:#([^[:.#]+))?(?:\.([^[:.]+))?(?:\[([^!&^*|$[:=]+)([!$^*|&]?=)?([^:\]]+)?\])?(?:\:([^(]+)(?:\(([^)]+)\))?)?/);tag=single[1]||"*";id=single[2];klass=single[3]?" "+single[3]+" ":"";attr=single[4];eql=single[5]||"";mod=single[7];ind=mod==="nth-child"||mod==="nth-last-child"?/(?:(-?\d*)n)?(?:(%|-)(\d*))?/.exec(single[8]==="even"&&"2n"||single[8]==="odd"&&"2n%1"||!/\D/.test(single[8])&&"0n%"+single[8]||single[8]):single[8];newNodes=[];idx=J=0;last=i==singles_length;while(child=nodes[J++]){switch(ancestor){case" ":childs=child.getElementsByTagName(tag);h=0;while(item=childs[h++]){if((!id||item.id===id)&&(!klass||(" "+item.className+" ").indexOf(klass)!=-1)&&(!attr||(_.attr[eql]&&(_.attr[eql](item,attr,single[6])||(attr==="class"&&_.attr[eql](item,"className",single[6])))))&&!item.yeasss&&!(_.mods[mod]?_.mods[mod](item,ind):mod)){if(last){item.yeasss=1}newNodes[idx++]=item}}break;case"~":tag=tag.toLowerCase();while((child=child.nextSibling)&&!child.yeasss){if(child.nodeType==1&&(tag==="*"||child.nodeName.toLowerCase()===tag)&&(!id||child.id===id)&&(!klass||(" "+child.className+" ").indexOf(klass)!=-1)&&(!attr||(_.attr[eql]&&(_.attr[eql](item,attr,single[6])||(attr==="class"&&_.attr[eql](item,"className",single[6])))))&&!child.yeasss&&!(_.mods[mod]?_.mods[mod](child,ind):mod)){if(last){child.yeasss=1}newNodes[idx++]=child}}break;case"+":while((child=child.nextSibling)&&child.nodeType!=1){}if(child&&(child.nodeName.toLowerCase()===tag.toLowerCase()||tag==="*")&&(!id||child.id===id)&&(!klass||(" "+item.className+" ").indexOf(klass)!=-1)&&(!attr||(_.attr[eql]&&(_.attr[eql](item,attr,single[6])||(attr==="class"&&_.attr[eql](item,"className",single[6])))))&&!child.yeasss&&!(_.mods[mod]?_.mods[mod](child,ind):mod)){if(last){child.yeasss=1}newNodes[idx++]=child}break;case">":childs=child.getElementsByTagName(tag);i=0;while(item=childs[i++]){if(item.parentNode===child&&(!id||item.id===id)&&(!klass||(" "+item.className+" ").indexOf(klass)!=-1)&&(!attr||(_.attr[eql]&&(_.attr[eql](item,attr,single[6])||(attr==="class"&&_.attr[eql](item,"className",single[6])))))&&!item.yeasss&&!(_.mods[mod]?_.mods[mod](item,ind):mod)){if(last){item.yeasss=1}newNodes[idx++]=item}}break}}nodes=newNodes}else{ancestor=single}}}if(concat){if(!nodes.concat){newNodes=[];h=0;while(item=nodes[h]){newNodes[h++]=item}nodes=newNodes}sets=nodes.concat(sets.length==1?sets[0]:sets)}else{sets=nodes}}idx=sets.length;while(idx--){sets[idx].yeasss=sets[idx].nodeIndex=sets[idx].nodeIndexLast=null}}}return noCache?sets:_.c[selector]=sets};_.c=[];_.doc=document;_.win=window;_.attr={"":function(child,attr){return !!child.getAttribute(attr)},"=":function(child,attr,value){return(attr=child.getAttribute(attr))&&attr===value},"&=":function(child,attr,value){return(attr=child.getAttribute(attr))&&(new RegExp("(^| +)"+value+"($| +)").test(attr))},"^=":function(child,attr,value){return(attr=child.getAttribute(attr)+"")&&!attr.indexOf(value)},"$=":function(child,attr,value){return(attr=child.getAttribute(attr)+"")&&attr.indexOf(value)==attr.length-value.length},"*=":function(child,attr,value){return(attr=child.getAttribute(attr)+"")&&attr.indexOf(value)!=-1},"|=":function(child,attr,value){return(attr=child.getAttribute(attr)+"")&&(attr===value||!!attr.indexOf(value+"-"))},"!=":function(child,attr,value){return !(attr=child.getAttribute(attr))||!(new RegExp("(^| +)"+value+"($| +)").test(attr))}};_.mods={"first-child":function(child){return child.parentNode.getElementsByTagName("*")[0]!==child},"last-child":function(child){var brother=child;while((brother=brother.nextSibling)&&brother.nodeType!=1){}return !!brother},root:function(child){return child.nodeName.toLowerCase()!=="html"},"nth-child":function(child,ind){var i=child.nodeIndex||0,a=ind[3]=ind[3]?(ind[2]==="%"?-1:1)*ind[3]:0,b=ind[1];if(i){return !((i+a)%b)}else{var brother=child.parentNode.firstChild;i++;do{if(brother.nodeType==1&&(brother.nodeIndex=++i)&&child===brother&&((i+a)%b)){return 0}}while(brother=brother.nextSibling);return 1}},"nth-last-child":function(child,ind){var i=child.nodeIndexLast||0,a=ind[3]?(ind[2]==="%"?-1:1)*ind[3]:0,b=ind[1];if(i){return !((i+a)%b)}else{var brother=child.parentNode.lastChild;i++;do{if(brother.nodeType==1&&(brother.nodeLastIndex=i++)&&child===brother&&((i+a)%b)){return 0}}while(brother=brother.previousSibling);return 1}},empty:function(child){return !!child.firstChild},parent:function(child){return !child.firstChild},"only-child":function(child){return child.parentNode.getElementsByTagName("*").length!=1},checked:function(child){return !child.checked},lang:function(child,ind){return child.lang!==ind&&_.doc.documentElement.lang!==ind},enabled:function(child){return child.disabled||child.type==="hidden"},disabled:function(child){return 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