/* ------------------------------------------------------------------------
	Class: prettyPhoto
	Use: Lightbox clone for jQuery
	Author: Stephane Caron (http://www.no-margin-for-errors.com)
	Version: 3.0.3
------------------------------------------------------------------------- */

(function($) {
	$.prettyPhoto = {
		version : '3.0.2'
	};
	$.fn.prettyPhoto = function(pp_settings) {
		pp_settings = jQuery
				.extend(
						{
							animation_speed : 'fast',
							slideshow : false,
							autoplay_slideshow : false,
							opacity : 0.80,
							show_title : true,
							allow_resize : true,
							default_width : 500,
							default_height : 344,
							counter_separator_label : '/',
							theme : 'facebook',
							hideflash : false,
							wmode : 'opaque',
							autoplay : true,
							modal : false,
							overlay_gallery : true,
							keyboard_shortcuts : true,
							changepicturecallback : function() {
							},
							callback : function() {
							},
							markup : '<div class="pp_pic_holder"> \
      <div class="ppt">&nbsp;</div> \
      <div class="pp_top"> \
       <div class="pp_left"></div> \
       <div class="pp_middle"></div> \
       <div class="pp_right"></div> \
      </div> \
      <div class="pp_content_container"> \
       <div class="pp_left"> \
       <div class="pp_right"> \
        <div class="pp_content"> \
         <div class="pp_loaderIcon"></div> \
         <div class="pp_fade"> \
          <a href="#" class="pp_expand" title="Expand the image">Expand</a> \
          <div class="pp_hoverContainer"> \
           <a class="pp_next" href="#">next</a> \
           <a class="pp_previous" href="#">previous</a> \
          </div> \
          <div id="pp_full_res"></div> \
          <div class="pp_details clearfix"> \
           <p class="pp_description"></p> \
           <a class="pp_close" href="#">Close</a> \
           <div class="pp_nav"> \
            <a href="#" class="pp_arrow_previous">Previous</a> \
            <p class="currentTextHolder">0/0</p> \
            <a href="#" class="pp_arrow_next">Next</a> \
           </div> \
          </div> \
         </div> \
        </div> \
       </div> \
       </div> \
      </div> \
      <div class="pp_bottom"> \
       <div class="pp_left"></div> \
       <div class="pp_middle"></div> \
       <div class="pp_right"></div> \
      </div> \
     </div> \
     <div class="pp_overlay"></div>',
							gallery_markup : '<div class="pp_gallery"> \
        <a href="#" class="pp_arrow_previous">Previous</a> \
        <ul> \
         {gallery} \
        </ul> \
        <a href="#" class="pp_arrow_next">Next</a> \
       </div>',
							image_markup : '<img id="fullResImage" src="{path}" />',
							flash_markup : '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" width="{width}" height="{height}"><param name="wmode" value="{wmode}" /><param name="allowfullscreen" value="true" /><param name="allowscriptaccess" value="always" /><param name="movie" value="{path}" /><embed src="{path}" type="application/x-shockwave-flash" allowfullscreen="true" allowscriptaccess="always" width="{width}" height="{height}" wmode="{wmode}"></embed></object>',
							quicktime_markup : '<object classid="clsid:02BF25D5-8C17-4B23-BC80-D3488ABDDC6B" codebase="http://www.apple.com/qtactivex/qtplugin.cab" height="{height}" width="{width}"><param name="src" value="{path}"><param name="autoplay" value="{autoplay}"><param name="type" value="video/quicktime"><embed src="{path}" height="{height}" width="{width}" autoplay="{autoplay}" type="video/quicktime" pluginspage="http://www.apple.com/quicktime/download/"></embed></object>',
							iframe_markup : '<iframe src ="{path}" width="{width}" height="{height}" frameborder="no"></iframe>',
							inline_markup : '<div class="pp_inline clearfix">{content}</div>',
							custom_markup : ''
						}, pp_settings);
		var matchedObjects = this, percentBased = false, pp_dimensions, pp_open, pp_contentHeight, pp_contentWidth, pp_containerHeight, pp_containerWidth, windowHeight = $(
				window).height(), windowWidth = $(window).width(), pp_slideshow;
		doresize = true, scroll_pos = _get_scroll();
		$(window).unbind('resize.prettyphoto').bind('resize.prettyphoto',
				function() {
					_center_overlay();
					_resize_overlay();
				});
		if (pp_settings.keyboard_shortcuts) {
			$(document).unbind('keydown.prettyphoto').bind(
					'keydown.prettyphoto', function(e) {
						if (typeof $pp_pic_holder != 'undefined') {
							if ($pp_pic_holder.is(':visible')) {
								switch (e.keyCode) {
								case 37:
									$.prettyPhoto.changePage('previous');
									e.preventDefault();
									break;
								case 39:
									$.prettyPhoto.changePage('next');
									e.preventDefault();
									break;
								case 27:
									if (!settings.modal)
										$.prettyPhoto.close();
									e.preventDefault();
									break;
								}
								;
							}
							;
						}
						;
					});
		}
		$.prettyPhoto.initialize = function() {
			settings = pp_settings;
			if ($.browser.msie && parseInt($.browser.version) == 6)
				settings.theme = "light_square";
			theRel = $(this).attr('rel');
			galleryRegExp = /\[(?:.*)\]/;
			isSet = (galleryRegExp.exec(theRel)) ? true : false;
			pp_images = (isSet) ? jQuery.map(matchedObjects, function(n, i) {
				if ($(n).attr('rel').indexOf(theRel) != -1)
					return $(n).attr('href');
			}) : $.makeArray($(this).attr('href'));
			pp_titles = (isSet) ? jQuery.map(matchedObjects, function(n, i) {
				if ($(n).attr('rel').indexOf(theRel) != -1)
					return ($(n).find('img').attr('alt')) ? $(n).find('img')
							.attr('alt') : "";
			}) : $.makeArray($(this).find('img').attr('alt'));
			pp_descriptions = (isSet) ? jQuery.map(matchedObjects, function(n,
					i) {
				if ($(n).attr('rel').indexOf(theRel) != -1)
					return ($(n).attr('title')) ? $(n).attr('title') : "";
			}) : $.makeArray($(this).attr('title'));
			_buildOverlay(this);
			if (settings.allow_resize)
				$(window).bind('scroll.prettyphoto', function() {
					_center_overlay();
				});
			set_position = jQuery.inArray($(this).attr('href'), pp_images);
			$.prettyPhoto.open();
			return false;
		}
		$.prettyPhoto.open = function(event) {
			if (typeof settings == "undefined") {
				settings = pp_settings;
				if ($.browser.msie && $.browser.version == 6)
					settings.theme = "light_square";
				pp_images = $.makeArray(arguments[0]);
				pp_titles = (arguments[1]) ? $.makeArray(arguments[1]) : $
						.makeArray("");
				pp_descriptions = (arguments[2]) ? $.makeArray(arguments[2])
						: $.makeArray("");
				isSet = (pp_images.length > 1) ? true : false;
				set_position = 0;
				_buildOverlay(event.target);
			}
			if ($.browser.msie && $.browser.version == 6)
				$('select').css('visibility', 'hidden');
			if (settings.hideflash)
				$('object,embed').css('visibility', 'hidden');
			_checkPosition($(pp_images).size());
			$('.pp_loaderIcon').show();
			if ($ppt.is(':hidden'))
				$ppt.css('opacity', 0).show();
			$pp_overlay.show().fadeTo(settings.animation_speed,
					settings.opacity);
			$pp_pic_holder.find('.currentTextHolder').text(
					(set_position + 1) + settings.counter_separator_label
							+ $(pp_images).size());
			$pp_pic_holder.find('.pp_description').show().html(
					unescape(pp_descriptions[set_position]));
			(settings.show_title && pp_titles[set_position] != "" && typeof pp_titles[set_position] != "undefined") ? $ppt
					.html(unescape(pp_titles[set_position]))
					: $ppt.html('&nbsp;');
			movie_width = (parseFloat(grab_param('width',
					pp_images[set_position]))) ? grab_param('width',
					pp_images[set_position]) : settings.default_width
					.toString();
			movie_height = (parseFloat(grab_param('height',
					pp_images[set_position]))) ? grab_param('height',
					pp_images[set_position]) : settings.default_height
					.toString();
			if (movie_height.indexOf('%') != -1) {
				movie_height = parseFloat(($(window).height()
						* parseFloat(movie_height) / 100) - 150);
				percentBased = true;
			}
			if (movie_width.indexOf('%') != -1) {
				movie_width = parseFloat(($(window).width()
						* parseFloat(movie_width) / 100) - 150);
				percentBased = true;
			}
			$pp_pic_holder
					.fadeIn(function() {
						imgPreloader = "";
						switch (_getFileType(pp_images[set_position])) {
						case 'image':
							imgPreloader = new Image();
							nextImage = new Image();
							if (isSet && set_position < $(pp_images).size() - 1)
								nextImage.src = pp_images[set_position + 1];
							prevImage = new Image();
							if (isSet && pp_images[set_position - 1])
								prevImage.src = pp_images[set_position - 1];
							$pp_pic_holder.find('#pp_full_res')[0].innerHTML = settings.image_markup
									.replace(/{path}/g, pp_images[set_position]);
							imgPreloader.onload = function() {
								pp_dimensions = _fitToViewport(
										imgPreloader.width, imgPreloader.height);
								_showContent();
							};
							imgPreloader.onerror = function() {
								alert('Image cannot be loaded. Make sure the path is correct and image exist.');
								$.prettyPhoto.close();
								$('#video_screensaver').show();
							};
							imgPreloader.src = pp_images[set_position];
							break;
						case 'youtube':
							pp_dimensions = _fitToViewport(movie_width,
									movie_height);
							movie = 'http://www.youtube.com/v/' + grab_param(
									'v', pp_images[set_position]);
							if (settings.autoplay)
								movie += "&autoplay=1";
							toInject = settings.flash_markup.replace(
									/{width}/g, pp_dimensions['width'])
									.replace(/{height}/g,
											pp_dimensions['height']).replace(
											/{wmode}/g, settings.wmode)
									.replace(/{path}/g, movie);
							break;
						case 'vimeo':
							pp_dimensions = _fitToViewport(movie_width,
									movie_height);
							movie_id = pp_images[set_position];
							var regExp = /http:\/\/(www\.)?vimeo.com\/(\d+)/;
							var match = movie_id.match(regExp);
							movie = 'http://player.vimeo.com/video/' + match[2] + '?title=0&amp;byline=0&amp;portrait=0';
							if (settings.autoplay)
								movie += "&autoplay=1;";
							vimeo_width = pp_dimensions['width']
									+ '/embed/?moog_width='
									+ pp_dimensions['width'];
							toInject = settings.iframe_markup.replace(
									/{width}/g, vimeo_width).replace(
									/{height}/g, pp_dimensions['height'])
									.replace(/{path}/g, movie);
							break;
						case 'quicktime':
							pp_dimensions = _fitToViewport(movie_width,
									movie_height);
							pp_dimensions['height'] += 15;
							pp_dimensions['contentHeight'] += 15;
							pp_dimensions['containerHeight'] += 15;
							toInject = settings.quicktime_markup
									.replace(/{width}/g, pp_dimensions['width'])
									.replace(/{height}/g,
											pp_dimensions['height'])
									.replace(/{wmode}/g, settings.wmode)
									.replace(/{path}/g, pp_images[set_position])
									.replace(/{autoplay}/g, settings.autoplay);
							break;
						case 'flash':
							pp_dimensions = _fitToViewport(movie_width,
									movie_height);
							flash_vars = pp_images[set_position];
							flash_vars = flash_vars.substring(
									pp_images[set_position]
											.indexOf('flashvars') + 10,
									pp_images[set_position].length);
							filename = pp_images[set_position];
							filename = filename.substring(0, filename
									.indexOf('?'));
							toInject = settings.flash_markup.replace(
									/{width}/g, pp_dimensions['width'])
									.replace(/{height}/g,
											pp_dimensions['height']).replace(
											/{wmode}/g, settings.wmode)
									.replace(/{path}/g,
											filename + '?' + flash_vars);
							break;
						case 'iframe':
							pp_dimensions = _fitToViewport(movie_width,
									movie_height);
							frame_url = pp_images[set_position];
							frame_url = frame_url.substr(0, frame_url
									.indexOf('iframe') - 1);
							toInject = settings.iframe_markup.replace(
									/{width}/g, pp_dimensions['width'])
									.replace(/{height}/g,
											pp_dimensions['height']).replace(
											/{path}/g, frame_url);
							break;
						case 'custom':
							pp_dimensions = _fitToViewport(movie_width,
									movie_height);
							toInject = settings.custom_markup;
							break;
						case 'inline':
							myClone = $(pp_images[set_position])
									.clone()
									.css( {
										'width' : settings.default_width
									})
									.wrapInner(
											'<div id="pp_full_res"><div class="pp_inline clearfix"></div></div>')
									.appendTo($('body')).show();
							doresize = false;
							pp_dimensions = _fitToViewport($(myClone).width(),
									$(myClone).height());
							doresize = true;
							$(myClone).remove();
							toInject = settings.inline_markup.replace(
									/{content}/g, $(pp_images[set_position])
											.html());
							break;
						}
						;
						if (!imgPreloader) {
							$pp_pic_holder.find('#pp_full_res')[0].innerHTML = toInject;
							_showContent();
						}
						;
					});
			return false;
		};
		$.prettyPhoto.changePage = function(direction) {
			currentGalleryPage = 0;
			if (direction == 'previous') {
				set_position--;
				if (set_position < 0) {
					set_position = 0;
					return;
				}
				;
			} else if (direction == 'next') {
				set_position++;
				if (set_position > $(pp_images).size() - 1) {
					set_position = 0;
				}
			} else {
				set_position = direction;
			}
			;
			if (!doresize)
				doresize = true;
			$('.pp_contract').removeClass('pp_contract').addClass('pp_expand');
			_hideContent(function() {
				$.prettyPhoto.open();
			});
		};
		$.prettyPhoto.changeGalleryPage = function(direction) {
			if (direction == 'next') {
				currentGalleryPage++;
				if (currentGalleryPage > totalPage) {
					currentGalleryPage = 0;
				}
				;
			} else if (direction == 'previous') {
				currentGalleryPage--;
				if (currentGalleryPage < 0) {
					currentGalleryPage = totalPage;
				}
				;
			} else {
				currentGalleryPage = direction;
			}
			;
			itemsToSlide = (currentGalleryPage == totalPage) ? pp_images.length
					- ((totalPage) * itemsPerPage) : itemsPerPage;
			$pp_pic_holder
					.find('.pp_gallery li')
					.each(
							function(i) {
								$(this)
										.animate(
												{
													'left' : (i * itemWidth)
															- ((itemsToSlide * itemWidth) * currentGalleryPage)
												});
							});
		};
		$.prettyPhoto.startSlideshow = function() {
			if (typeof pp_slideshow == 'undefined') {
				$pp_pic_holder.find('.pp_play').unbind('click').removeClass(
						'pp_play').addClass('pp_pause').click(function() {
					$.prettyPhoto.stopSlideshow();
					return false;
				});
				pp_slideshow = setInterval($.prettyPhoto.startSlideshow,
						settings.slideshow);
			} else {
				$.prettyPhoto.changePage('next');
			}
			;
		}
		$.prettyPhoto.stopSlideshow = function() {
			$pp_pic_holder.find('.pp_pause').unbind('click').removeClass(
					'pp_pause').addClass('pp_play').click(function() {
				$.prettyPhoto.startSlideshow();
				return false;
			});
			clearInterval(pp_slideshow);
			pp_slideshow = undefined;
		}
		$.prettyPhoto.close = function() {
			if ($pp_overlay.is(":animated"))
				return;
			$.prettyPhoto.stopSlideshow();
			$pp_pic_holder.stop().find('object,embed').css('visibility',
					'hidden');
			$('div.pp_pic_holder,div.ppt,.pp_fade').fadeOut(
					settings.animation_speed, function() {
						$(this).remove();
					});
			$pp_overlay.fadeOut(settings.animation_speed, function() {
				if ($.browser.msie && $.browser.version == 6)
					$('select').css('visibility', 'visible');
				if (settings.hideflash)
					$('object,embed').css('visibility', 'visible');
				$(this).remove();
				$(window).unbind('scroll');
				settings.callback();
				doresize = true;
				pp_open = false;
				delete settings;
			});
		};
		function _showContent() {
			$('.pp_loaderIcon').hide();
			$ppt.fadeTo(settings.animation_speed, 1);
			projectedTop = scroll_pos['scrollTop']
					+ ((windowHeight / 2) - (pp_dimensions['containerHeight'] / 2));
			if (projectedTop < 0)
				projectedTop = 0;
			$pp_pic_holder.find('.pp_content').animate( {
				height : pp_dimensions['contentHeight'],
				width : pp_dimensions['contentWidth']
			}, settings.animation_speed);
			$pp_pic_holder.animate( {
				'top' : projectedTop,
				'left' : (windowWidth / 2)
						- (pp_dimensions['containerWidth'] / 2),
				width : pp_dimensions['containerWidth']
			}, settings.animation_speed, function() {
				$pp_pic_holder.find('.pp_hoverContainer,#fullResImage').height(
						pp_dimensions['height']).width(pp_dimensions['width']);
				$pp_pic_holder.find('.pp_fade')
						.fadeIn(settings.animation_speed);
				if (isSet && _getFileType(pp_images[set_position]) == "image") {
					$pp_pic_holder.find('.pp_hoverContainer').show();
				} else {
					$pp_pic_holder.find('.pp_hoverContainer').hide();
				}
				if (pp_dimensions['resized']) {
					$('a.pp_expand,a.pp_contract').show();
				} else {
					$('a.pp_expand,a.pp_contract').hide();
				}
				if (settings.autoplay_slideshow && !pp_slideshow && !pp_open)
					$.prettyPhoto.startSlideshow();
				settings.changepicturecallback();
				pp_open = true;
			});
			_insert_gallery();
		}
		;
		function _hideContent(callback) {
			$pp_pic_holder.find('#pp_full_res object,#pp_full_res embed').css(
					'visibility', 'hidden');
			$pp_pic_holder.find('.pp_fade').fadeOut(settings.animation_speed,
					function() {
						$('.pp_loaderIcon').show();
						callback();
					});
		}
		;
		function _checkPosition(setCount) {
			(setCount > 1) ? $('.pp_nav').show() : $('.pp_nav').hide();
		}
		;
		function _fitToViewport(width, height) {
			resized = false;
			_getDimensions(width, height);
			imageWidth = width, imageHeight = height;
			if (((pp_containerWidth > windowWidth) || (pp_containerHeight > windowHeight))
					&& doresize && settings.allow_resize && !percentBased) {
				resized = true, fitting = false;
				while (!fitting) {
					if ((pp_containerWidth > windowWidth)) {
						imageWidth = (windowWidth - 200);
						imageHeight = (height / width) * imageWidth;
					} else if ((pp_containerHeight > windowHeight)) {
						imageHeight = (windowHeight - 200);
						imageWidth = (width / height) * imageHeight;
					} else {
						fitting = true;
					}
					;
					pp_containerHeight = imageHeight,
							pp_containerWidth = imageWidth;
				}
				;
				_getDimensions(imageWidth, imageHeight);
			}
			;
			return {
				width : Math.floor(imageWidth),
				height : Math.floor(imageHeight),
				containerHeight : Math.floor(pp_containerHeight),
				containerWidth : Math.floor(pp_containerWidth) + 40,
				contentHeight : Math.floor(pp_contentHeight),
				contentWidth : Math.floor(pp_contentWidth),
				resized : resized
			};
		}
		;
		function _getDimensions(width, height) {
			width = parseFloat(width);
			height = parseFloat(height);
			$pp_details = $pp_pic_holder.find('.pp_details');
			$pp_details.width(width);
			detailsHeight = parseFloat($pp_details.css('marginTop'))
					+ parseFloat($pp_details.css('marginBottom'));
			$pp_details = $pp_details.clone().appendTo($('body')).css( {
				'position' : 'absolute',
				'top' : -10000
			});
			detailsHeight += $pp_details.height();
			detailsHeight = (detailsHeight <= 34) ? 36 : detailsHeight;
			if ($.browser.msie && $.browser.version == 7)
				detailsHeight += 8;
			$pp_details.remove();
			$pp_title = $pp_pic_holder.find('.ppt');
			$pp_title.width(width);
			titleHeight = parseFloat($pp_title.css('marginTop'))
					+ parseFloat($pp_title.css('marginBottom'));
			$pp_title = $pp_title.clone().appendTo($('body')).css( {
				'position' : 'absolute',
				'top' : -10000
			});
			titleHeight += $pp_title.height();
			$pp_title.remove();
			pp_contentHeight = height + detailsHeight;
			pp_contentWidth = width;
			pp_containerHeight = pp_contentHeight + titleHeight
					+ $pp_pic_holder.find('.pp_top').height()
					+ $pp_pic_holder.find('.pp_bottom').height();
			pp_containerWidth = width;
		}
		function _getFileType(itemSrc) {
			if (itemSrc.match(/youtube\.com\/watch/i)) {
				return 'youtube';
			} else if (itemSrc.match(/vimeo\.com/i)) {
				return 'vimeo';
			} else if (itemSrc.match(/\b.mov\b/i)) {
				return 'quicktime';
			} else if (itemSrc.match(/\b.swf\b/i)) {
				return 'flash';
			} else if (itemSrc.match(/\biframe=true\b/i)) {
				return 'iframe';
			} else if (itemSrc.match(/\bcustom=true\b/i)) {
				return 'custom';
			} else if (itemSrc.substr(0, 1) == '#') {
				return 'inline';
			} else {
				return 'image';
			}
			;
		}
		;
		function _center_overlay() {
			if (doresize && typeof $pp_pic_holder != 'undefined') {
				scroll_pos = _get_scroll();
				contentHeight = $pp_pic_holder.height(),
						contentwidth = $pp_pic_holder.width();
				projectedTop = (windowHeight / 2) + scroll_pos['scrollTop']
						- (contentHeight / 2);
				if (projectedTop < 0)
					projectedTop = 0;
				$pp_pic_holder.css( {
					'top' : projectedTop,
					'left' : (windowWidth / 2) + scroll_pos['scrollLeft']
							- (contentwidth / 2)
				});
			}
			;
		}
		;
		function _get_scroll() {
			if (self.pageYOffset) {
				return {
					scrollTop : self.pageYOffset,
					scrollLeft : self.pageXOffset
				};
			} else if (document.documentElement
					&& document.documentElement.scrollTop) {
				return {
					scrollTop : document.documentElement.scrollTop,
					scrollLeft : document.documentElement.scrollLeft
				};
			} else if (document.body) {
				return {
					scrollTop : document.body.scrollTop,
					scrollLeft : document.body.scrollLeft
				};
			}
			;
		}
		;
		function _resize_overlay() {
			windowHeight = $(window).height(), windowWidth = $(window).width();
			if (typeof $pp_overlay != "undefined")
				$pp_overlay.height($(document).height()).width(windowWidth);
		}
		;
		function _insert_gallery() {
			if (isSet && settings.overlay_gallery
					&& _getFileType(pp_images[set_position]) == "image") {
				itemWidth = 52 + 5;
				navWidth = (settings.theme == "facebook") ? 58 : 38;
				itemsPerPage = Math
						.floor((pp_dimensions['containerWidth'] - 100 - navWidth)
								/ itemWidth);
				itemsPerPage = (itemsPerPage < pp_images.length) ? itemsPerPage
						: pp_images.length;
				totalPage = Math.ceil(pp_images.length / itemsPerPage) - 1;
				if (totalPage == 0) {
					navWidth = 0;
					$pp_pic_holder
							.find(
									'.pp_gallery .pp_arrow_next,.pp_gallery .pp_arrow_previous')
							.hide();
				} else {
					$pp_pic_holder
							.find(
									'.pp_gallery .pp_arrow_next,.pp_gallery .pp_arrow_previous')
							.show();
				}
				;
				galleryWidth = itemsPerPage * itemWidth + navWidth;
				$pp_pic_holder.find('.pp_gallery').width(galleryWidth).css(
						'margin-left', -(galleryWidth / 2));
				$pp_pic_holder.find('.pp_gallery ul').width(
						itemsPerPage * itemWidth).find('li.selected')
						.removeClass('selected');
				goToPage = (Math.ceil((set_position + 1) / itemsPerPage) < totalPage) ? Math
						.ceil((set_position + 1) / itemsPerPage)
						: totalPage;
				$.prettyPhoto.changeGalleryPage(goToPage);
				$pp_pic_holder.find(
						'.pp_gallery ul li:eq(' + set_position + ')').addClass(
						'selected');
			} else {
				$pp_pic_holder.find('.pp_content').unbind(
						'mouseenter mouseleave');
				$pp_pic_holder.find('.pp_gallery').hide();
			}
		}
		function _buildOverlay(caller) {
			$('body').append(settings.markup);
			$pp_pic_holder = $('.pp_pic_holder'), $ppt = $('.ppt'),
					$pp_overlay = $('div.pp_overlay');
			if (isSet && settings.overlay_gallery) {
				currentGalleryPage = 0;
				toInject = "";
				for ( var i = 0; i < pp_images.length; i++) {
					if (!pp_images[i].match(/\b(jpg|jpeg|png|gif)\b/gi)) {
						classname = 'default';
					} else {
						classname = '';
					}
					toInject += "<li class='" + classname
							+ "'><a href='#'><img src='" + pp_images[i]
							+ "' width='50' alt='' /></a></li>";
				}
				;
				toInject = settings.gallery_markup.replace(/{gallery}/g,
						toInject);
				$pp_pic_holder.find('#pp_full_res').after(toInject);
				$pp_pic_holder.find('.pp_gallery .pp_arrow_next').click(
						function() {
							$.prettyPhoto.changeGalleryPage('next');
							$.prettyPhoto.stopSlideshow();
							return false;
						});
				$pp_pic_holder.find('.pp_gallery .pp_arrow_previous').click(
						function() {
							$.prettyPhoto.changeGalleryPage('previous');
							$.prettyPhoto.stopSlideshow();
							return false;
						});
				$pp_pic_holder.find('.pp_content').hover(
						function() {
							$pp_pic_holder.find('.pp_gallery:not(.disabled)')
									.fadeIn();
						},
						function() {
							$pp_pic_holder.find('.pp_gallery:not(.disabled)')
									.fadeOut();
						});
				itemWidth = 52 + 5;
				$pp_pic_holder.find('.pp_gallery ul li').each(function(i) {
					$(this).css( {
						'position' : 'absolute',
						'left' : i * itemWidth
					});
					$(this).find('a').unbind('click').click(function() {
						$.prettyPhoto.changePage(i);
						$.prettyPhoto.stopSlideshow();
						return false;
					});
				});
			}
			;
			if (settings.slideshow) {
				$pp_pic_holder.find('.pp_nav').prepend(
						'<a href="#" class="pp_play">Play</a>')
				$pp_pic_holder.find('.pp_nav .pp_play').click(function() {
					$.prettyPhoto.startSlideshow();
					return false;
				});
			}
			$pp_pic_holder.attr('class', 'pp_pic_holder ' + settings.theme);
			$pp_overlay.css( {
				'opacity' : 0,
				'height' : $(document).height(),
				'width' : $(window).width()
			}).bind('click', function() {
				if (!settings.modal){
					$.prettyPhoto.close();
					$('#video_screensaver').show();
				}
			});
			$('a.pp_close').bind('click', function() {
				$.prettyPhoto.close();
				$('#video_screensaver').show();
				return false;
			});
			$('a.pp_expand').bind('click', function(e) {
				if ($(this).hasClass('pp_expand')) {
					$(this).removeClass('pp_expand').addClass('pp_contract');
					doresize = false;
				} else {
					$(this).removeClass('pp_contract').addClass('pp_expand');
					doresize = true;
				}
				;
				_hideContent(function() {
					$.prettyPhoto.open();
				});
				return false;
			});
			$pp_pic_holder.find('.pp_previous, .pp_nav .pp_arrow_previous')
					.bind('click', function() {
						$.prettyPhoto.changePage('previous');
						$.prettyPhoto.stopSlideshow();
						return false;
					});
			$pp_pic_holder.find('.pp_next, .pp_nav .pp_arrow_next').bind(
					'click', function() {
						$.prettyPhoto.changePage('next');
						$.prettyPhoto.stopSlideshow();
						return false;
					});
			_center_overlay();
		}
		;
		return this.unbind('click.prettyphoto').bind('click.prettyphoto',
				$.prettyPhoto.initialize);
	};
	function grab_param(name, url) {
		name = name.replace(/[\[]/, "\\\[").replace(/[\]]/, "\\\]");
		var regexS = "[\\?&]" + name + "=([^&#]*)";
		var regex = new RegExp(regexS);
		var results = regex.exec(url);
		return (results == null) ? "" : results[1];
	}
})(jQuery);