$(document).ready(function(){
	$('a.fancybox').fancybox({
		overlayColor: '#000',
		onComplete: function(e,k){
			if(e.eq(k).hasClass('no-open')){
				$('#fancybox-img').wrap($('<a target="_blank" href="'+ $('#fancybox-img').attr('src') +'" />'));
				$('#fancybox-img').parent().append($('<span class="wotermark" />'));
			}
			else{
				$('#fancybox-img').wrap($('<a href="#" />'));
				$('#fancybox-img').parent().append($('<span class="wotermark" />'));
				$('#fancybox-img').parent().click(function(){					$.fancybox.close();					return false;				});
				function click(e) {
					if (document.all) {    // IE
						if (event.button == 2) {
							return false;}
						if (event.button == 1) {
							return false;}
						}
					else{
						if (e.which == 2) {
							return false;}
					}
					if (document.layers) { // NC
						if (e.which == 3) {
							return false;}
						}
				}
				if (document.layers) 
					{document.captureEvents(Event.MOUSEDOWN);}
				document.getElementById('fancybox-img').parentNode.onmousedown=click;
				document.getElementById('fancybox-img').parentNode.oncontextmenu=function(e){return false};
			}
		}
	});
	$('a.fancybox-open').click(function(){
		$(this).parent().find('a.fancybox:eq(0)').trigger('click');
		return false;
	});
	$('ul.tabset').each(function(){
		$(this).tabs();
	});
	initOpen();
	initGray();
});

function initGray(){
	$(window).load(function(){
		$("ul.gallery li img").animate({opacity:1},500);
		var ddd = $("ul.gallery li img").length-1;
		$('ul.gallery li img').each(function(i){
			if($.browser.msie && $.browser.version < 10){
				var el = $(this);
				el.css({"position":"absolute"}).wrap("<div class='img_wrapper' style='display: inline-block'>").clone().addClass('img_grayscale').css({"position":"absolute","z-index":"998","opacity":"0"}).insertBefore(el).queue(function(){
					var el = $(this);
					el.parent().css({"width":this.width,"height":this.height});
					el.dequeue();
				});
				this.style.filter = 'progid:DXImageTransform.Microsoft.BasicImage(grayScale=1)';
			}
			else{
				var el = $(this);
				el.css({"position":"absolute"}).wrap("<div class='img_wrapper' style='display: inline-block'>").clone().addClass('img_grayscale').css({"position":"absolute","z-index":"998","opacity":"0"}).insertBefore(el).queue(function(){
					var el = $(this);
					el.parent().css({"width":this.width,"height":this.height});
					el.dequeue();
				});
				this.src = grayscale(this.src);
			}
			if(i == ddd) $('ul.gallery li img').css({visibility: 'visible'});
		});
		$('ul.gallery li img').mouseover(function(){
			$(this).parent().find('img:first').stop().animate({opacity:1}, 1000);
		})
		$('.img_grayscale').mouseout(function(){
			$(this).stop().animate({opacity:0}, 1000);
		});
	});
	function grayscale(src){
		var canvas = document.createElement('canvas');
		var ctx = canvas.getContext('2d');
		var imgObj = new Image();
		imgObj.src = src;
		canvas.width = imgObj.width;
		canvas.height = imgObj.height;
		ctx.drawImage(imgObj, 0, 0);
		var imgPixels = ctx.getImageData(0, 0, canvas.width, canvas.height);
		for(var y = 0; y < imgPixels.height; y++){
			for(var x = 0; x < imgPixels.width; x++){
				var i = (y * 4) * imgPixels.width + x * 4;
				var avg = (imgPixels.data[i] + imgPixels.data[i + 1] + imgPixels.data[i + 2]) / 3;
				imgPixels.data[i] = avg;
				imgPixels.data[i + 1] = avg;
				imgPixels.data[i + 2] = avg;
			}
		}
		ctx.putImageData(imgPixels, 0, 0, 0, 0, imgPixels.width, imgPixels.height);
		return canvas.toDataURL();
	} 
}

	$.fn.tabs = function(options) { return new Tabs(this.get(0), options); }
	
	function Tabs(context, options) { this.init(context, options); }
	
	Tabs.prototype = {
		options:{},
		init: function (context, options){
			this.options = $.extend({
				listOfTabs: 'a.tab',
				active: 'active',
				event: 'click'
			}, options || {});
			this.btn = $(context).find(this.options.listOfTabs);
			this.holdTab = $(context).find('div.hold-tab');
			this.last = this.btn.index(this.btn.filter('.'+this.options.active));
			if(this.last == -1) this.last = 0;
			this.btn.removeClass(this.options.active).eq(this.last).addClass(this.options.active);
			var tt = this;
			this.btn.each(function(i){
				if (i != tt.last) $(tt.btn.eq(i).attr('href')).hide();
			});
			this.initEvent(this, this.btn);
		},
		initEvent: function($this, el){
			el.bind(this.options.event, function(){
				$(window).trigger('click');
				if ($this.last != el.index($(this))) $this.changeTab(el.index($(this)));
				return false;
			});
		},
		changeTab: function(ind){
			$(this.btn.eq(this.last).attr('href')).hide();
			$(this.btn.eq(ind).attr('href')).show();
			this.btn.eq(this.last).removeClass(this.options.active);
			this.btn.eq(ind).addClass(this.options.active);
			if(this.btn.eq(ind).parent().parent().parent().hasClass('hold-tab')) this.holdTab.parent().find('> a').addClass('active');
			else this.holdTab.parent().find('> a').removeClass('active');
			$(window).trigger('reset');
			this.last = ind;
		}
	}


function initOpen(){
	$('div.index-text').each(function(){
		var hold = $(this);
		var link = hold.find('span.close');
		
		$('span.more-link').click(function(){
			hold.css({display: 'block'});
			$(window).scrollTo( hold, 1000 );
			return false;
		});
		
		link.click(function(){
			hold.slideUp(700);
			return false;
		});
	});
}

	var $scrollTo = $.scrollTo = function( target, duration, settings ){
		$(window).scrollTo( target, duration, settings );
	};

	$scrollTo.defaults = {
		axis:'xy',
		duration: parseFloat($.fn.jquery) >= 1.3 ? 0 : 1
	};

	// Returns the element that needs to be animated to scroll the window.
	// Kept for backwards compatibility (specially for localScroll & serialScroll)
	$scrollTo.window = function( scope ){
		return $(window)._scrollable();
	};

	// Hack, hack, hack :)
	// Returns the real elements to scroll (supports window/iframes, documents and regular nodes)
	$.fn._scrollable = function(){
		return this.map(function(){
			var elem = this,
				isWin = !elem.nodeName || $.inArray( elem.nodeName.toLowerCase(), ['iframe','#document','html','body'] ) != -1;

				if( !isWin )
					return elem;

			var doc = (elem.contentWindow || elem).document || elem.ownerDocument || elem;
			
			return $.browser.safari || doc.compatMode == 'BackCompat' ?
				doc.body : 
				doc.documentElement;
		});
	};

	$.fn.scrollTo = function( target, duration, settings ){
		if( typeof duration == 'object' ){
			settings = duration;
			duration = 0;
		}
		if( typeof settings == 'function' )
			settings = { onAfter:settings };
			
		if( target == 'max' )
			target = 9e9;
			
		settings = $.extend( {}, $scrollTo.defaults, settings );
		// Speed is still recognized for backwards compatibility
		duration = duration || settings.speed || settings.duration;
		// Make sure the settings are given right
		settings.queue = settings.queue && settings.axis.length > 1;
		
		if( settings.queue )
			// Let's keep the overall duration
			duration /= 2;
		settings.offset = both( settings.offset );
		settings.over = both( settings.over );

		return this._scrollable().each(function(){
			var elem = this,
				$elem = $(elem),
				targ = target, toff, attr = {},
				win = $elem.is('html,body');

			switch( typeof targ ){
				// A number will pass the regex
				case 'number':
				case 'string':
					if( /^([+-]=)?\d+(\.\d+)?(px|%)?$/.test(targ) ){
						targ = both( targ );
						// We are done
						break;
					}
					// Relative selector, no break!
					targ = $(targ,this);
				case 'object':
					// DOMElement / jQuery
					if( targ.is || targ.style )
						// Get the real position of the target 
						toff = (targ = $(targ)).offset();
			}
			$.each( settings.axis.split(''), function( i, axis ){
				var Pos	= axis == 'x' ? 'Left' : 'Top',
					pos = Pos.toLowerCase(),
					key = 'scroll' + Pos,
					old = elem[key],
					max = $scrollTo.max(elem, axis);

				if( toff ){// jQuery / DOMElement
					attr[key] = toff[pos] + ( win ? 0 : old - $elem.offset()[pos] );

					// If it's a dom element, reduce the margin
					if( settings.margin ){
						attr[key] -= parseInt(targ.css('margin'+Pos)) || 0;
						attr[key] -= parseInt(targ.css('border'+Pos+'Width')) || 0;
					}
					
					attr[key] += settings.offset[pos] || 0;
					
					if( settings.over[pos] )
						// Scroll to a fraction of its width/height
						attr[key] += targ[axis=='x'?'width':'height']() * settings.over[pos];
				}else{ 
					var val = targ[pos];
					// Handle percentage values
					attr[key] = val.slice && val.slice(-1) == '%' ? 
						parseFloat(val) / 100 * max
						: val;
				}

				// Number or 'number'
				if( /^\d+$/.test(attr[key]) )
					// Check the limits
					attr[key] = attr[key] <= 0 ? 0 : Math.min( attr[key], max );

				// Queueing axes
				if( !i && settings.queue ){
					// Don't waste time animating, if there's no need.
					if( old != attr[key] )
						// Intermediate animation
						animate( settings.onAfterFirst );
					// Don't animate this axis again in the next iteration.
					delete attr[key];
				}
			});

			animate( settings.onAfter );			

			function animate( callback ){
				$elem.animate( attr, duration, settings.easing, callback && function(){
					callback.call(this, target, settings);
				});
			};

		}).end();
	};
	
	// Max scrolling position, works on quirks mode
	// It only fails (not too badly) on IE, quirks mode.
	$scrollTo.max = function( elem, axis ){
		var Dim = axis == 'x' ? 'Width' : 'Height',
			scroll = 'scroll'+Dim;
		
		if( !$(elem).is('html,body') )
			return elem[scroll] - $(elem)[Dim.toLowerCase()]();
		
		var size = 'client' + Dim,
			html = elem.ownerDocument.documentElement,
			body = elem.ownerDocument.body;

		return Math.max( html[scroll], body[scroll] ) 
			 - Math.min( html[size]  , body[size]   );
			
	};

	function both( val ){
		return typeof val == 'object' ? val : { top:val, left:val };
	};
	

