// 'stacks' is the Stacks global object.
// All of the other Stacks related Javascript will 
// be attatched to it.
var stacks = {};


// this call to jQuery gives us access to the globaal
// jQuery object. 
// 'noConflict' removes the '$' variable.
// 'true' removes the 'jQuery' variable.
// removing these globals reduces conflicts with other 
// jQuery versions that might be running on this page.
stacks.jQuery = jQuery.noConflict(true);

// Javascript for stacks_in_38_page4
// ---------------------------------------------------------------------

// Each stack has its own object with its own namespace.  The name of
// that object is the same as the stack's id.
stacks.stacks_in_38_page4 = {};

// A closure is defined and assined to the stack's object.  The object
// is also passed in as 'stack' which gives you a shorthand for refering
// to this object from elsewhere.
stacks.stacks_in_38_page4 = (function(stack) {

	// When jQuery is used it will be available as $ and jQuery but only
	// inside the closure.
	var jQuery = stacks.jQuery;
	var $ = jQuery;
	
//-- Gyro Stack v1.2 by Joe Workman --//

$(document).ready(function() {

	// Create the ribbon HTML
	createPager = function(){	
        $("#stacks_in_38_page4 .gyro_image_reel img").each(function(index) {
            $('<a href="#" rel="' + (index+1) + '">' + (index+1) + '</a>').appendTo('#stacks_in_38_page4 div.gyro_ribbon_middle');
        });
		// Need to swap the bragrounds when the ribbon is on the left
		if ('right' == 'left') {
			$('#stacks_in_38_page4 .gyro_ribbon_start').css("background", "url('files/images/ribbon2/gyro_ribbon_right_end_2.png') no-repeat");
			$('#stacks_in_38_page4 .gyro_ribbon_end').css("background", "url('files/images/ribbon2/gyro_ribbon_right_start_2.png') no-repeat");			
		}
		// This is to set some CSS styles for ribbons that don't  fit into the defaults set in the CSS file
		/* if ('2' == 2 || '2' == 3 || '2' == 4) {
			$('#stacks_in_38_page4 .gyro_ribbon').css("right", "-13px");
		}
		if ('2' == 5 || '2' == 6) {
			$('#stacks_in_38_page4 .gyro_ribbon_end').css("width", "32px");
		} */
	}; 
	createPager(); //Run function on launch

	//Set Default State of each portfolio piece
	 $("#stacks_in_38_page4 .gyro_ribbon").show();
	$("#stacks_in_38_page4 .gyro_ribbon a:first").addClass("active");

	//Get size of images, how many there are, then determin the size of the image reel.
	var imageHeight = $("#stacks_in_38_page4 .gyro_image_reel img:first").height();
	var imageWidth = $("#stacks_in_38_page4 .gyro_image_reel img:first").width();
	var imageSum = $("#stacks_in_38_page4 .gyro_image_reel img").size();
	var imageReelWidth = imageWidth * imageSum;
	
	//Adjust the image reel to its new size
	$("#stacks_in_38_page4 .gyro_container").css({'width' : imageWidth});
	$("#stacks_in_38_page4 .gyro_window").css({'width' : imageWidth});
	$("#stacks_in_38_page4 .gyro_window").css({'height' : imageHeight});
	$("#stacks_in_38_page4 .gyro_image_reel").css({'width' : imageReelWidth});
			
	//ribbon + Slider Function
	rotate = function(){	
		var triggerID = $active.attr("rel") - 1; //Get number of times to slide
		var image_reelPosition = triggerID * imageWidth; //Determines the distance the image reel needs to slide

		$("#stacks_in_38_page4 .gyro_ribbon a").removeClass('active'); //Remove all active class
		$active.addClass('active'); //Add active class (the $active is declared in the rotateSwitch function)
		
		//Slider Animation
		$("#stacks_in_38_page4 .gyro_image_reel").animate({ 
			left: -image_reelPosition
		}, 1000 );		
	}; 
	
	var play;
	//Rotation + Timing Event
	rotateSwitch = function(){		
		play = setInterval(function(){ //Set timer - this will repeat itself every 3 seconds
			$active = $('#stacks_in_38_page4 .gyro_ribbon a.active').next();
			if ( $active.length === 0) { //If ribbon reaches the end...
				$active = $('#stacks_in_38_page4 .gyro_ribbon a:first'); //go back to first
			}
			rotate(); //Trigger the ribbon and slider function
		}, 5000); //Timer speed in milliseconds
	};
	rotateSwitch(); //Run function on launch
	
	//On Hover
	$("#stacks_in_38_page4 .gyro_image_reel a").hover(function() {
		clearInterval(play); //Stop the rotation
	}, function() {
		rotateSwitch(); //Resume rotation
	});	

	//On Click
	$("#stacks_in_38_page4 .gyro_ribbon a").click(function() {	
		$active = $(this); //Activate the clicked ribbon
		//Reset Timer
		clearInterval(play); //Stop the rotation
		rotate(); //Trigger rotation immediately
		if (false) {
			clearInterval(play); //Stop the rotation
		}
		else {
			rotateSwitch(); // Resume rotation
		}
		return false; //Prevent browser jump to link anchor
	});	
});

//-- End Gyro Stack --//
	return stack;
})(stacks.stacks_in_38_page4);


// Javascript for stacks_in_67_page4
// ---------------------------------------------------------------------

// Each stack has its own object with its own namespace.  The name of
// that object is the same as the stack's id.
stacks.stacks_in_67_page4 = {};

// A closure is defined and assined to the stack's object.  The object
// is also passed in as 'stack' which gives you a shorthand for refering
// to this object from elsewhere.
stacks.stacks_in_67_page4 = (function(stack) {

	// When jQuery is used it will be available as $ and jQuery but only
	// inside the closure.
	var jQuery = stacks.jQuery;
	var $ = jQuery;
	
/**
 * Sprightly by http://www.doobox.co.uk integrated for rapidweaver from the code http://dev.artutkin.ru/desaturate/example.html 
 * 
 * Dual licensed under the MIT and GPL licenses:
 *   http://www.opensource.org/licenses/mit-license.php
 *   http://www.gnu.org/licenses/gpl.html
 */
 $(document).ready(function() {
 
$.desaturate = {
  defaults: {
    'iefix': true, // autofix png for IE
    'level': 1,    // level of desaturation, ignored in IE
    'rgb': [0.3333, 0.3333, 0.3333] // levels of RGB for compose grayscale, ignored in IE
  },
  customClass: 'js-desaturate-fixed' // usually no need to change this
};

$.desaturate.Image = function(obj) {
    this.image = obj;
    this.jImage = $(this.image);

    this.src = this.jImage.attr('src');
    this.isPNG = this.jImage.is("IMG[src$=.png]");

    var styleWidth  = new String(this.jImage.css('width')); styleWidth = styleWidth.replace(/px/, '');
    var styleHeight = new String(this.jImage.css('height')); styleHeight = styleHeight.replace(/px/, '');

    this.width = this.jImage.width() ? this.jImage.width() : (styleWidth ? styleWidth : this.jImage.attr('width'));
    this.height = this.jImage.height() ? this.jImage.height() : (styleHeight ? styleHeight : this.jImage.attr('height'));

//      var styles = ['padding', 'margin', 'border'];
//      for (var i in styles) {
//        this.imgCustomStyles += styles[i] + ':' + this.image.style[styles[i]]+';';
//        this.image.style[styles[i]] = '';
//      }

    this.imgFilter = '';
    if (this.image.style.filter) {
      this.imgFilter = 'filter:'+this.image.style.filter+';';
      this.image.style.filter = '';
    }

    this.image.style.width = '';
    this.image.style.height = '';

    this.imgId    = this.jImage.attr('id') ? 'id="' + this.jImage.attr('id') + '" ' : '';
    this.imgClass = 'class="' + this.jImage.attr('class') + ' ' + $.desaturate.customClass + '" ';
    this.imgTitle = this.jImage.attr('title') ? 'title="' + this.jImage.attr('title') + '" ' : '';
    this.imgAlt   = this.jImage.attr('alt') ? 'alt="' + this.jImage.attr('alt') + '" ' : '';

    this.imgStyles  = this.image.style.cssText;
    this.imgStyles += this.jImage.attr('align') ? 'float:' + this.jImage.attr('align') + ';' : '';
    this.imgStyles += this.jImage.parent().attr('href') ? 'cursor:hand;' : '';

    // nulled filter present as FILTER: in cssText
    this.imgStyles = this.imgStyles.replace(/filter:/i,'');


    this.imgCssSize = (this.width && this.height) ? 'width:' + this.width + 'px;' + 'height:' + this.height + 'px;' : '';
};

$.desaturate.Image.prototype.replace = function(html) {
      return $(html).replaceAll(this.image).get(0);
};

$.desaturate.Image.prototype.getCanvas = function(options) {
    var canvasStr = '<canvas style="display:block;' + this.imgStyles + this.imgCssSize + '" ';               // amended changed from inline-block to block
    canvasStr += this.imgId + this.imgClass + this.imgTitle + this.imgAlt + '></canvas>';

    var canvas = $(canvasStr).get(0);
    var canvasContext = canvas.getContext('2d');

    var imgW = this.width;
    var imgH = this.height;
    canvas.width = imgW;
    canvas.height = imgH;

    canvasContext.drawImage(this.image, 0, 0);

    var imgPixels = canvasContext.getImageData(0, 0, imgW, imgH);

    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]*options.rgb[0] + imgPixels.data[i + 1]*options.rgb[1] + imgPixels.data[i + 2]*options.rgb[2];
        imgPixels.data[i] = avg*options.level + imgPixels.data[i]*(1-options.level);
        imgPixels.data[i + 1] = avg*options.level + imgPixels.data[i + 1]*(1-options.level);
        imgPixels.data[i + 2] = avg*options.level + imgPixels.data[i + 2]*(1-options.level);
      }
    }

    canvasContext.putImageData(imgPixels, 0, 0, 0, 0, imgPixels.width, imgPixels.height);
    return canvas;
}

$.desaturate.Image.prototype.getIeFix = function(options) {
    /* Some $ operations like fadeIn/Out can reset filter atribute, so we need 3 SPAN's: 1st for styles and
     * correct work with $'s animation, 2rd for grayScale filter and last one for alpha image filter.
     * Combined 2 filters in one span won't work too.
     */
    var blockInit = 'display:block;background:transparent;padding:0;margin:0;';
    var strNewHTML = '<span style="display:inline-block;' + this.imgStyles + this.imgCssSize + '" ';
    strNewHTML += this.imgId + this.imgClass + this.imgTitle + this.imgAlt + '>';
      strNewHTML += '<span style="' + blockInit + this.imgCssSize + this.imgFilter + '">';
      if (this.isPNG) {
        strNewHTML += '<span style="' + blockInit + this.imgCssSize;
        strNewHTML += 'filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\'' + this.src + '\', sizingMethod=\'crop\');">';
        strNewHTML += '</span>';
      } else {
        strNewHTML += '<img style="' + blockInit + this.imgCssSize + '" ' + this.imgTitle + this.imgAlt;
        strNewHTML += ' src="' + this.src + '">';
      }
      strNewHTML += '</span>';
    strNewHTML += '</span>';

    return $(strNewHTML).get(0);
}

$.fn.desaturate = function(options) {

  var ret = [];
  var _opt = $.extend(true, {}, $.desaturate.defaults, options);

  this.each(function() {
    var el = this;
    var $opt = $.extend(true, {}, _opt, $.metadata ? $(el).metadata() : {}, $(el).data('desaturate'));

    if ($.browser.msie && $(el).is("IMG") && $opt.iefix) {
      // autofix IE images
      var image = new $.desaturate.Image(el);
      el = image.replace(image.getIeFix($opt));
    }

    if ($.browser.msie && ($(el).is("IMG") || $(el).hasClass($.desaturate.customClass))) {
      // apply filter for IE
        var el1 = el;
        if ($(el).hasClass($.desaturate.customClass))
        {
          // if this element is our imgage fixed by pngIE - set grayscale filter to child span
          el1 = $("SPAN", el).get(0);
        }
        el1.style.filter = (el1.style.filter ? el1.style.filter+' ' : '') +
                            'progid:DXImageTransform.Microsoft.BasicImage(grayScale=1)';
    }

    if (!$.browser.msie && ($(el).is("IMG"))) {
      // convert image to canvas
      var image = new $.desaturate.Image(el);
      el = image.replace(image.getCanvas($opt));
    }

    ret.push(el);
  });

  return this.pushStack(ret, "desaturate", "");
};

$.fn.desaturateImgFix = function(options) {
  if (!$.browser.msie) {
    return this;
  }

  var _opt = $.extend(true, {}, $.desaturate.defaults, options);
  var ret = [];

  this.each(function() {
    var $opt = $.extend(true, {}, _opt, $.metadata ? $(this).metadata() : {}, $(this).data('desaturate'));
    if (!$(this).is("IMG")) {
      ret.push(this);
    } else {
      var image = new $.desaturate.Image(this);
      ret.push(image.replace(image.getIeFix($opt)));
    }
  });

  return this.pushStack(ret, "desaturateImgFix", "");
};










 $(window).load(function() {

        
        var paircount = 0;
        var $thisSprite = $("#stacks_in_67_page4 img.imageStyle");
        var reverse = "";




        if ($.browser.msie)
        {
          // I need this only if desaturate png with aplha channel
          $thisSprite = $thisSprite.desaturateImgFix();
        }
        
 if(reverse == ""){

    // modified not to desaturate the clone
    $thisSprite.each(function(){
     $(this).addClass("stacks_in_67_page4pair")
      .clone()
      .attr('id', '')
      .insertAfter($(this))
      .addClass('stacks_in_67_page4color')
      .hide()
    });
     
  }
     
 else {  
   
     // modified not to desaturate the clone
    $thisSprite.each(function(){
     $(this).addClass("stacks_in_67_page4pair")
      .clone()
      .attr('id', '')
      .insertAfter($(this))
      .addClass('stacks_in_67_page4color')
      $(this).hide()
    });
    }
    
     $thisSprite.desaturate()
         // add events for switch between color/gray versions
    $('.spriteContainer').bind('mouseenter mouseleave', function(e){
     $(this).find('.stacks_in_67_page4pair').toggle().toggleClass('stacks_in_67_page4color');
    });
 
 

 });
 

});



	return stack;
})(stacks.stacks_in_67_page4);


// Javascript for stacks_in_75_page4
// ---------------------------------------------------------------------

// Each stack has its own object with its own namespace.  The name of
// that object is the same as the stack's id.
stacks.stacks_in_75_page4 = {};

// A closure is defined and assined to the stack's object.  The object
// is also passed in as 'stack' which gives you a shorthand for refering
// to this object from elsewhere.
stacks.stacks_in_75_page4 = (function(stack) {

	// When jQuery is used it will be available as $ and jQuery but only
	// inside the closure.
	var jQuery = stacks.jQuery;
	var $ = jQuery;
	
/**
 * Sprightly by http://www.doobox.co.uk integrated for rapidweaver from the code http://dev.artutkin.ru/desaturate/example.html 
 * 
 * Dual licensed under the MIT and GPL licenses:
 *   http://www.opensource.org/licenses/mit-license.php
 *   http://www.gnu.org/licenses/gpl.html
 */
 $(document).ready(function() {
 
$.desaturate = {
  defaults: {
    'iefix': true, // autofix png for IE
    'level': 1,    // level of desaturation, ignored in IE
    'rgb': [0.3333, 0.3333, 0.3333] // levels of RGB for compose grayscale, ignored in IE
  },
  customClass: 'js-desaturate-fixed' // usually no need to change this
};

$.desaturate.Image = function(obj) {
    this.image = obj;
    this.jImage = $(this.image);

    this.src = this.jImage.attr('src');
    this.isPNG = this.jImage.is("IMG[src$=.png]");

    var styleWidth  = new String(this.jImage.css('width')); styleWidth = styleWidth.replace(/px/, '');
    var styleHeight = new String(this.jImage.css('height')); styleHeight = styleHeight.replace(/px/, '');

    this.width = this.jImage.width() ? this.jImage.width() : (styleWidth ? styleWidth : this.jImage.attr('width'));
    this.height = this.jImage.height() ? this.jImage.height() : (styleHeight ? styleHeight : this.jImage.attr('height'));

//      var styles = ['padding', 'margin', 'border'];
//      for (var i in styles) {
//        this.imgCustomStyles += styles[i] + ':' + this.image.style[styles[i]]+';';
//        this.image.style[styles[i]] = '';
//      }

    this.imgFilter = '';
    if (this.image.style.filter) {
      this.imgFilter = 'filter:'+this.image.style.filter+';';
      this.image.style.filter = '';
    }

    this.image.style.width = '';
    this.image.style.height = '';

    this.imgId    = this.jImage.attr('id') ? 'id="' + this.jImage.attr('id') + '" ' : '';
    this.imgClass = 'class="' + this.jImage.attr('class') + ' ' + $.desaturate.customClass + '" ';
    this.imgTitle = this.jImage.attr('title') ? 'title="' + this.jImage.attr('title') + '" ' : '';
    this.imgAlt   = this.jImage.attr('alt') ? 'alt="' + this.jImage.attr('alt') + '" ' : '';

    this.imgStyles  = this.image.style.cssText;
    this.imgStyles += this.jImage.attr('align') ? 'float:' + this.jImage.attr('align') + ';' : '';
    this.imgStyles += this.jImage.parent().attr('href') ? 'cursor:hand;' : '';

    // nulled filter present as FILTER: in cssText
    this.imgStyles = this.imgStyles.replace(/filter:/i,'');


    this.imgCssSize = (this.width && this.height) ? 'width:' + this.width + 'px;' + 'height:' + this.height + 'px;' : '';
};

$.desaturate.Image.prototype.replace = function(html) {
      return $(html).replaceAll(this.image).get(0);
};

$.desaturate.Image.prototype.getCanvas = function(options) {
    var canvasStr = '<canvas style="display:block;' + this.imgStyles + this.imgCssSize + '" ';               // amended changed from inline-block to block
    canvasStr += this.imgId + this.imgClass + this.imgTitle + this.imgAlt + '></canvas>';

    var canvas = $(canvasStr).get(0);
    var canvasContext = canvas.getContext('2d');

    var imgW = this.width;
    var imgH = this.height;
    canvas.width = imgW;
    canvas.height = imgH;

    canvasContext.drawImage(this.image, 0, 0);

    var imgPixels = canvasContext.getImageData(0, 0, imgW, imgH);

    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]*options.rgb[0] + imgPixels.data[i + 1]*options.rgb[1] + imgPixels.data[i + 2]*options.rgb[2];
        imgPixels.data[i] = avg*options.level + imgPixels.data[i]*(1-options.level);
        imgPixels.data[i + 1] = avg*options.level + imgPixels.data[i + 1]*(1-options.level);
        imgPixels.data[i + 2] = avg*options.level + imgPixels.data[i + 2]*(1-options.level);
      }
    }

    canvasContext.putImageData(imgPixels, 0, 0, 0, 0, imgPixels.width, imgPixels.height);
    return canvas;
}

$.desaturate.Image.prototype.getIeFix = function(options) {
    /* Some $ operations like fadeIn/Out can reset filter atribute, so we need 3 SPAN's: 1st for styles and
     * correct work with $'s animation, 2rd for grayScale filter and last one for alpha image filter.
     * Combined 2 filters in one span won't work too.
     */
    var blockInit = 'display:block;background:transparent;padding:0;margin:0;';
    var strNewHTML = '<span style="display:inline-block;' + this.imgStyles + this.imgCssSize + '" ';
    strNewHTML += this.imgId + this.imgClass + this.imgTitle + this.imgAlt + '>';
      strNewHTML += '<span style="' + blockInit + this.imgCssSize + this.imgFilter + '">';
      if (this.isPNG) {
        strNewHTML += '<span style="' + blockInit + this.imgCssSize;
        strNewHTML += 'filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\'' + this.src + '\', sizingMethod=\'crop\');">';
        strNewHTML += '</span>';
      } else {
        strNewHTML += '<img style="' + blockInit + this.imgCssSize + '" ' + this.imgTitle + this.imgAlt;
        strNewHTML += ' src="' + this.src + '">';
      }
      strNewHTML += '</span>';
    strNewHTML += '</span>';

    return $(strNewHTML).get(0);
}

$.fn.desaturate = function(options) {

  var ret = [];
  var _opt = $.extend(true, {}, $.desaturate.defaults, options);

  this.each(function() {
    var el = this;
    var $opt = $.extend(true, {}, _opt, $.metadata ? $(el).metadata() : {}, $(el).data('desaturate'));

    if ($.browser.msie && $(el).is("IMG") && $opt.iefix) {
      // autofix IE images
      var image = new $.desaturate.Image(el);
      el = image.replace(image.getIeFix($opt));
    }

    if ($.browser.msie && ($(el).is("IMG") || $(el).hasClass($.desaturate.customClass))) {
      // apply filter for IE
        var el1 = el;
        if ($(el).hasClass($.desaturate.customClass))
        {
          // if this element is our imgage fixed by pngIE - set grayscale filter to child span
          el1 = $("SPAN", el).get(0);
        }
        el1.style.filter = (el1.style.filter ? el1.style.filter+' ' : '') +
                            'progid:DXImageTransform.Microsoft.BasicImage(grayScale=1)';
    }

    if (!$.browser.msie && ($(el).is("IMG"))) {
      // convert image to canvas
      var image = new $.desaturate.Image(el);
      el = image.replace(image.getCanvas($opt));
    }

    ret.push(el);
  });

  return this.pushStack(ret, "desaturate", "");
};

$.fn.desaturateImgFix = function(options) {
  if (!$.browser.msie) {
    return this;
  }

  var _opt = $.extend(true, {}, $.desaturate.defaults, options);
  var ret = [];

  this.each(function() {
    var $opt = $.extend(true, {}, _opt, $.metadata ? $(this).metadata() : {}, $(this).data('desaturate'));
    if (!$(this).is("IMG")) {
      ret.push(this);
    } else {
      var image = new $.desaturate.Image(this);
      ret.push(image.replace(image.getIeFix($opt)));
    }
  });

  return this.pushStack(ret, "desaturateImgFix", "");
};










 $(window).load(function() {

        
        var paircount = 0;
        var $thisSprite = $("#stacks_in_75_page4 img.imageStyle");
        var reverse = "";




        if ($.browser.msie)
        {
          // I need this only if desaturate png with aplha channel
          $thisSprite = $thisSprite.desaturateImgFix();
        }
        
 if(reverse == ""){

    // modified not to desaturate the clone
    $thisSprite.each(function(){
     $(this).addClass("stacks_in_75_page4pair")
      .clone()
      .attr('id', '')
      .insertAfter($(this))
      .addClass('stacks_in_75_page4color')
      .hide()
    });
     
  }
     
 else {  
   
     // modified not to desaturate the clone
    $thisSprite.each(function(){
     $(this).addClass("stacks_in_75_page4pair")
      .clone()
      .attr('id', '')
      .insertAfter($(this))
      .addClass('stacks_in_75_page4color')
      $(this).hide()
    });
    }
    
     $thisSprite.desaturate()
         // add events for switch between color/gray versions
    $('.spriteContainer').bind('mouseenter mouseleave', function(e){
     $(this).find('.stacks_in_75_page4pair').toggle().toggleClass('stacks_in_75_page4color');
    });
 
 

 });
 

});



	return stack;
})(stacks.stacks_in_75_page4);


// Javascript for stacks_in_85_page4
// ---------------------------------------------------------------------

// Each stack has its own object with its own namespace.  The name of
// that object is the same as the stack's id.
stacks.stacks_in_85_page4 = {};

// A closure is defined and assined to the stack's object.  The object
// is also passed in as 'stack' which gives you a shorthand for refering
// to this object from elsewhere.
stacks.stacks_in_85_page4 = (function(stack) {

	// When jQuery is used it will be available as $ and jQuery but only
	// inside the closure.
	var jQuery = stacks.jQuery;
	var $ = jQuery;
	
/**
 * Sprightly by http://www.doobox.co.uk integrated for rapidweaver from the code http://dev.artutkin.ru/desaturate/example.html 
 * 
 * Dual licensed under the MIT and GPL licenses:
 *   http://www.opensource.org/licenses/mit-license.php
 *   http://www.gnu.org/licenses/gpl.html
 */
 $(document).ready(function() {
 
$.desaturate = {
  defaults: {
    'iefix': true, // autofix png for IE
    'level': 1,    // level of desaturation, ignored in IE
    'rgb': [0.3333, 0.3333, 0.3333] // levels of RGB for compose grayscale, ignored in IE
  },
  customClass: 'js-desaturate-fixed' // usually no need to change this
};

$.desaturate.Image = function(obj) {
    this.image = obj;
    this.jImage = $(this.image);

    this.src = this.jImage.attr('src');
    this.isPNG = this.jImage.is("IMG[src$=.png]");

    var styleWidth  = new String(this.jImage.css('width')); styleWidth = styleWidth.replace(/px/, '');
    var styleHeight = new String(this.jImage.css('height')); styleHeight = styleHeight.replace(/px/, '');

    this.width = this.jImage.width() ? this.jImage.width() : (styleWidth ? styleWidth : this.jImage.attr('width'));
    this.height = this.jImage.height() ? this.jImage.height() : (styleHeight ? styleHeight : this.jImage.attr('height'));

//      var styles = ['padding', 'margin', 'border'];
//      for (var i in styles) {
//        this.imgCustomStyles += styles[i] + ':' + this.image.style[styles[i]]+';';
//        this.image.style[styles[i]] = '';
//      }

    this.imgFilter = '';
    if (this.image.style.filter) {
      this.imgFilter = 'filter:'+this.image.style.filter+';';
      this.image.style.filter = '';
    }

    this.image.style.width = '';
    this.image.style.height = '';

    this.imgId    = this.jImage.attr('id') ? 'id="' + this.jImage.attr('id') + '" ' : '';
    this.imgClass = 'class="' + this.jImage.attr('class') + ' ' + $.desaturate.customClass + '" ';
    this.imgTitle = this.jImage.attr('title') ? 'title="' + this.jImage.attr('title') + '" ' : '';
    this.imgAlt   = this.jImage.attr('alt') ? 'alt="' + this.jImage.attr('alt') + '" ' : '';

    this.imgStyles  = this.image.style.cssText;
    this.imgStyles += this.jImage.attr('align') ? 'float:' + this.jImage.attr('align') + ';' : '';
    this.imgStyles += this.jImage.parent().attr('href') ? 'cursor:hand;' : '';

    // nulled filter present as FILTER: in cssText
    this.imgStyles = this.imgStyles.replace(/filter:/i,'');


    this.imgCssSize = (this.width && this.height) ? 'width:' + this.width + 'px;' + 'height:' + this.height + 'px;' : '';
};

$.desaturate.Image.prototype.replace = function(html) {
      return $(html).replaceAll(this.image).get(0);
};

$.desaturate.Image.prototype.getCanvas = function(options) {
    var canvasStr = '<canvas style="display:block;' + this.imgStyles + this.imgCssSize + '" ';               // amended changed from inline-block to block
    canvasStr += this.imgId + this.imgClass + this.imgTitle + this.imgAlt + '></canvas>';

    var canvas = $(canvasStr).get(0);
    var canvasContext = canvas.getContext('2d');

    var imgW = this.width;
    var imgH = this.height;
    canvas.width = imgW;
    canvas.height = imgH;

    canvasContext.drawImage(this.image, 0, 0);

    var imgPixels = canvasContext.getImageData(0, 0, imgW, imgH);

    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]*options.rgb[0] + imgPixels.data[i + 1]*options.rgb[1] + imgPixels.data[i + 2]*options.rgb[2];
        imgPixels.data[i] = avg*options.level + imgPixels.data[i]*(1-options.level);
        imgPixels.data[i + 1] = avg*options.level + imgPixels.data[i + 1]*(1-options.level);
        imgPixels.data[i + 2] = avg*options.level + imgPixels.data[i + 2]*(1-options.level);
      }
    }

    canvasContext.putImageData(imgPixels, 0, 0, 0, 0, imgPixels.width, imgPixels.height);
    return canvas;
}

$.desaturate.Image.prototype.getIeFix = function(options) {
    /* Some $ operations like fadeIn/Out can reset filter atribute, so we need 3 SPAN's: 1st for styles and
     * correct work with $'s animation, 2rd for grayScale filter and last one for alpha image filter.
     * Combined 2 filters in one span won't work too.
     */
    var blockInit = 'display:block;background:transparent;padding:0;margin:0;';
    var strNewHTML = '<span style="display:inline-block;' + this.imgStyles + this.imgCssSize + '" ';
    strNewHTML += this.imgId + this.imgClass + this.imgTitle + this.imgAlt + '>';
      strNewHTML += '<span style="' + blockInit + this.imgCssSize + this.imgFilter + '">';
      if (this.isPNG) {
        strNewHTML += '<span style="' + blockInit + this.imgCssSize;
        strNewHTML += 'filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\'' + this.src + '\', sizingMethod=\'crop\');">';
        strNewHTML += '</span>';
      } else {
        strNewHTML += '<img style="' + blockInit + this.imgCssSize + '" ' + this.imgTitle + this.imgAlt;
        strNewHTML += ' src="' + this.src + '">';
      }
      strNewHTML += '</span>';
    strNewHTML += '</span>';

    return $(strNewHTML).get(0);
}

$.fn.desaturate = function(options) {

  var ret = [];
  var _opt = $.extend(true, {}, $.desaturate.defaults, options);

  this.each(function() {
    var el = this;
    var $opt = $.extend(true, {}, _opt, $.metadata ? $(el).metadata() : {}, $(el).data('desaturate'));

    if ($.browser.msie && $(el).is("IMG") && $opt.iefix) {
      // autofix IE images
      var image = new $.desaturate.Image(el);
      el = image.replace(image.getIeFix($opt));
    }

    if ($.browser.msie && ($(el).is("IMG") || $(el).hasClass($.desaturate.customClass))) {
      // apply filter for IE
        var el1 = el;
        if ($(el).hasClass($.desaturate.customClass))
        {
          // if this element is our imgage fixed by pngIE - set grayscale filter to child span
          el1 = $("SPAN", el).get(0);
        }
        el1.style.filter = (el1.style.filter ? el1.style.filter+' ' : '') +
                            'progid:DXImageTransform.Microsoft.BasicImage(grayScale=1)';
    }

    if (!$.browser.msie && ($(el).is("IMG"))) {
      // convert image to canvas
      var image = new $.desaturate.Image(el);
      el = image.replace(image.getCanvas($opt));
    }

    ret.push(el);
  });

  return this.pushStack(ret, "desaturate", "");
};

$.fn.desaturateImgFix = function(options) {
  if (!$.browser.msie) {
    return this;
  }

  var _opt = $.extend(true, {}, $.desaturate.defaults, options);
  var ret = [];

  this.each(function() {
    var $opt = $.extend(true, {}, _opt, $.metadata ? $(this).metadata() : {}, $(this).data('desaturate'));
    if (!$(this).is("IMG")) {
      ret.push(this);
    } else {
      var image = new $.desaturate.Image(this);
      ret.push(image.replace(image.getIeFix($opt)));
    }
  });

  return this.pushStack(ret, "desaturateImgFix", "");
};










 $(window).load(function() {

        
        var paircount = 0;
        var $thisSprite = $("#stacks_in_85_page4 img.imageStyle");
        var reverse = "";




        if ($.browser.msie)
        {
          // I need this only if desaturate png with aplha channel
          $thisSprite = $thisSprite.desaturateImgFix();
        }
        
 if(reverse == ""){

    // modified not to desaturate the clone
    $thisSprite.each(function(){
     $(this).addClass("stacks_in_85_page4pair")
      .clone()
      .attr('id', '')
      .insertAfter($(this))
      .addClass('stacks_in_85_page4color')
      .hide()
    });
     
  }
     
 else {  
   
     // modified not to desaturate the clone
    $thisSprite.each(function(){
     $(this).addClass("stacks_in_85_page4pair")
      .clone()
      .attr('id', '')
      .insertAfter($(this))
      .addClass('stacks_in_85_page4color')
      $(this).hide()
    });
    }
    
     $thisSprite.desaturate()
         // add events for switch between color/gray versions
    $('.spriteContainer').bind('mouseenter mouseleave', function(e){
     $(this).find('.stacks_in_85_page4pair').toggle().toggleClass('stacks_in_85_page4color');
    });
 
 

 });
 

});



	return stack;
})(stacks.stacks_in_85_page4);


// Javascript for stacks_in_93_page4
// ---------------------------------------------------------------------

// Each stack has its own object with its own namespace.  The name of
// that object is the same as the stack's id.
stacks.stacks_in_93_page4 = {};

// A closure is defined and assined to the stack's object.  The object
// is also passed in as 'stack' which gives you a shorthand for refering
// to this object from elsewhere.
stacks.stacks_in_93_page4 = (function(stack) {

	// When jQuery is used it will be available as $ and jQuery but only
	// inside the closure.
	var jQuery = stacks.jQuery;
	var $ = jQuery;
	
/**
 * Sprightly by http://www.doobox.co.uk integrated for rapidweaver from the code http://dev.artutkin.ru/desaturate/example.html 
 * 
 * Dual licensed under the MIT and GPL licenses:
 *   http://www.opensource.org/licenses/mit-license.php
 *   http://www.gnu.org/licenses/gpl.html
 */
 $(document).ready(function() {
 
$.desaturate = {
  defaults: {
    'iefix': true, // autofix png for IE
    'level': 1,    // level of desaturation, ignored in IE
    'rgb': [0.3333, 0.3333, 0.3333] // levels of RGB for compose grayscale, ignored in IE
  },
  customClass: 'js-desaturate-fixed' // usually no need to change this
};

$.desaturate.Image = function(obj) {
    this.image = obj;
    this.jImage = $(this.image);

    this.src = this.jImage.attr('src');
    this.isPNG = this.jImage.is("IMG[src$=.png]");

    var styleWidth  = new String(this.jImage.css('width')); styleWidth = styleWidth.replace(/px/, '');
    var styleHeight = new String(this.jImage.css('height')); styleHeight = styleHeight.replace(/px/, '');

    this.width = this.jImage.width() ? this.jImage.width() : (styleWidth ? styleWidth : this.jImage.attr('width'));
    this.height = this.jImage.height() ? this.jImage.height() : (styleHeight ? styleHeight : this.jImage.attr('height'));

//      var styles = ['padding', 'margin', 'border'];
//      for (var i in styles) {
//        this.imgCustomStyles += styles[i] + ':' + this.image.style[styles[i]]+';';
//        this.image.style[styles[i]] = '';
//      }

    this.imgFilter = '';
    if (this.image.style.filter) {
      this.imgFilter = 'filter:'+this.image.style.filter+';';
      this.image.style.filter = '';
    }

    this.image.style.width = '';
    this.image.style.height = '';

    this.imgId    = this.jImage.attr('id') ? 'id="' + this.jImage.attr('id') + '" ' : '';
    this.imgClass = 'class="' + this.jImage.attr('class') + ' ' + $.desaturate.customClass + '" ';
    this.imgTitle = this.jImage.attr('title') ? 'title="' + this.jImage.attr('title') + '" ' : '';
    this.imgAlt   = this.jImage.attr('alt') ? 'alt="' + this.jImage.attr('alt') + '" ' : '';

    this.imgStyles  = this.image.style.cssText;
    this.imgStyles += this.jImage.attr('align') ? 'float:' + this.jImage.attr('align') + ';' : '';
    this.imgStyles += this.jImage.parent().attr('href') ? 'cursor:hand;' : '';

    // nulled filter present as FILTER: in cssText
    this.imgStyles = this.imgStyles.replace(/filter:/i,'');


    this.imgCssSize = (this.width && this.height) ? 'width:' + this.width + 'px;' + 'height:' + this.height + 'px;' : '';
};

$.desaturate.Image.prototype.replace = function(html) {
      return $(html).replaceAll(this.image).get(0);
};

$.desaturate.Image.prototype.getCanvas = function(options) {
    var canvasStr = '<canvas style="display:block;' + this.imgStyles + this.imgCssSize + '" ';               // amended changed from inline-block to block
    canvasStr += this.imgId + this.imgClass + this.imgTitle + this.imgAlt + '></canvas>';

    var canvas = $(canvasStr).get(0);
    var canvasContext = canvas.getContext('2d');

    var imgW = this.width;
    var imgH = this.height;
    canvas.width = imgW;
    canvas.height = imgH;

    canvasContext.drawImage(this.image, 0, 0);

    var imgPixels = canvasContext.getImageData(0, 0, imgW, imgH);

    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]*options.rgb[0] + imgPixels.data[i + 1]*options.rgb[1] + imgPixels.data[i + 2]*options.rgb[2];
        imgPixels.data[i] = avg*options.level + imgPixels.data[i]*(1-options.level);
        imgPixels.data[i + 1] = avg*options.level + imgPixels.data[i + 1]*(1-options.level);
        imgPixels.data[i + 2] = avg*options.level + imgPixels.data[i + 2]*(1-options.level);
      }
    }

    canvasContext.putImageData(imgPixels, 0, 0, 0, 0, imgPixels.width, imgPixels.height);
    return canvas;
}

$.desaturate.Image.prototype.getIeFix = function(options) {
    /* Some $ operations like fadeIn/Out can reset filter atribute, so we need 3 SPAN's: 1st for styles and
     * correct work with $'s animation, 2rd for grayScale filter and last one for alpha image filter.
     * Combined 2 filters in one span won't work too.
     */
    var blockInit = 'display:block;background:transparent;padding:0;margin:0;';
    var strNewHTML = '<span style="display:inline-block;' + this.imgStyles + this.imgCssSize + '" ';
    strNewHTML += this.imgId + this.imgClass + this.imgTitle + this.imgAlt + '>';
      strNewHTML += '<span style="' + blockInit + this.imgCssSize + this.imgFilter + '">';
      if (this.isPNG) {
        strNewHTML += '<span style="' + blockInit + this.imgCssSize;
        strNewHTML += 'filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\'' + this.src + '\', sizingMethod=\'crop\');">';
        strNewHTML += '</span>';
      } else {
        strNewHTML += '<img style="' + blockInit + this.imgCssSize + '" ' + this.imgTitle + this.imgAlt;
        strNewHTML += ' src="' + this.src + '">';
      }
      strNewHTML += '</span>';
    strNewHTML += '</span>';

    return $(strNewHTML).get(0);
}

$.fn.desaturate = function(options) {

  var ret = [];
  var _opt = $.extend(true, {}, $.desaturate.defaults, options);

  this.each(function() {
    var el = this;
    var $opt = $.extend(true, {}, _opt, $.metadata ? $(el).metadata() : {}, $(el).data('desaturate'));

    if ($.browser.msie && $(el).is("IMG") && $opt.iefix) {
      // autofix IE images
      var image = new $.desaturate.Image(el);
      el = image.replace(image.getIeFix($opt));
    }

    if ($.browser.msie && ($(el).is("IMG") || $(el).hasClass($.desaturate.customClass))) {
      // apply filter for IE
        var el1 = el;
        if ($(el).hasClass($.desaturate.customClass))
        {
          // if this element is our imgage fixed by pngIE - set grayscale filter to child span
          el1 = $("SPAN", el).get(0);
        }
        el1.style.filter = (el1.style.filter ? el1.style.filter+' ' : '') +
                            'progid:DXImageTransform.Microsoft.BasicImage(grayScale=1)';
    }

    if (!$.browser.msie && ($(el).is("IMG"))) {
      // convert image to canvas
      var image = new $.desaturate.Image(el);
      el = image.replace(image.getCanvas($opt));
    }

    ret.push(el);
  });

  return this.pushStack(ret, "desaturate", "");
};

$.fn.desaturateImgFix = function(options) {
  if (!$.browser.msie) {
    return this;
  }

  var _opt = $.extend(true, {}, $.desaturate.defaults, options);
  var ret = [];

  this.each(function() {
    var $opt = $.extend(true, {}, _opt, $.metadata ? $(this).metadata() : {}, $(this).data('desaturate'));
    if (!$(this).is("IMG")) {
      ret.push(this);
    } else {
      var image = new $.desaturate.Image(this);
      ret.push(image.replace(image.getIeFix($opt)));
    }
  });

  return this.pushStack(ret, "desaturateImgFix", "");
};










 $(window).load(function() {

        
        var paircount = 0;
        var $thisSprite = $("#stacks_in_93_page4 img.imageStyle");
        var reverse = "";




        if ($.browser.msie)
        {
          // I need this only if desaturate png with aplha channel
          $thisSprite = $thisSprite.desaturateImgFix();
        }
        
 if(reverse == ""){

    // modified not to desaturate the clone
    $thisSprite.each(function(){
     $(this).addClass("stacks_in_93_page4pair")
      .clone()
      .attr('id', '')
      .insertAfter($(this))
      .addClass('stacks_in_93_page4color')
      .hide()
    });
     
  }
     
 else {  
   
     // modified not to desaturate the clone
    $thisSprite.each(function(){
     $(this).addClass("stacks_in_93_page4pair")
      .clone()
      .attr('id', '')
      .insertAfter($(this))
      .addClass('stacks_in_93_page4color')
      $(this).hide()
    });
    }
    
     $thisSprite.desaturate()
         // add events for switch between color/gray versions
    $('.spriteContainer').bind('mouseenter mouseleave', function(e){
     $(this).find('.stacks_in_93_page4pair').toggle().toggleClass('stacks_in_93_page4color');
    });
 
 

 });
 

});



	return stack;
})(stacks.stacks_in_93_page4);