/* ------------------------------------------------------------------------
Class: prettyPhoto
Use: Lightbox clone for jQuery
Author: Stephane Caron (http://www.no-margin-for-errors.com)
Version: 2.4.3
------------------------------------------------------------------------- */

var $pp_pic_holder;
var $ppt;

(function($) {
$.fn.lightbox=function(settings) {
		// global Variables
		var doresize=true;
		var percentBased=false;
		var imagesArray=[];
		var setPosition=0; /* Position in the set */
		var pp_contentHeight;
		var pp_contentWidth;
		var pp_containerHeight;
		var pp_containerWidth;
		var pp_type='image';

		// Global elements
		var $caller;
		var $scrollPos=_getScroll();

		$(window).scroll(function() { $scrollPos=_getScroll();_centerPicture(); });
		$(window).resize(function() { _centerPicture();_resizeOverlay(); });
		$(document).keypress(function(e) {
			switch(e.keyCode) {
				case 37:
					if(setPosition==1) return;
					changePicture('previous');
					break;
				case 39:
					if(setPosition==setCount) return;
					changePicture('next');
					break;
				case 27:
					close();
					break;
			};
		});


		settings=jQuery.extend({
			animationSpeed: 'normal', /* fast/slow/normal */
			padding: 40, /* padding for each side of the picture */
			opacity: 0.80, /* Value between 0 and 1 */
			showTitle: true, /* true/false */
			allowresize: true, /* true/false */
			counter_separator_label: '/', /* The separator for the gallery counter 1 "of" 2 */
			theme: 'light_rounded', /* light_rounded / dark_rounded / light_square / dark_square */
			callback: function() { }
		},settings);

		// Fallback to a supported theme for IE6
		if($.browser.msie&&$.browser.version==6) {
			settings.theme="light_square";
		}

		$(this).each(function() {
			var hasTitle=false;
			var isSet=false;
			var setCount=0; /* Total images in the set */
			var arrayPosition=0; /* Total position in the array */

			imagesArray[imagesArray.length]=this;
			$(this).bind('click',function() {
				open(this);
				return false;
			});
		});

		function open(el) {
			$caller=$(el);

			// Find out if the picture is part of a set
			theRel=$caller.attr('rel');
			galleryRegExp=/\[(?:.*)\]/;
			theGallery=galleryRegExp.exec(theRel);

			// Calculate the number of items in the set, and the position of the clicked picture.
			isSet=false;
			setCount=0;

			_getFileType();

			for(i=0;i<imagesArray.length;i++) {
				if($(imagesArray[i]).attr('rel').indexOf(theGallery)!= -1) {
					setCount++;
					if(setCount>1) isSet=true;

					if($(imagesArray[i]).attr('href')==$caller.attr('href')) {
						setPosition=setCount;
						arrayPosition=i;
					};
				};
			};

			_buildOverlay();

			// Display the current position
			$pp_pic_holder.find('p.currentTextHolder').text(setPosition+settings.counter_separator_label+setCount);

			// Position the picture in the center of the viewing area
			_centerPicture();

			$('#pp_full_res').hide();
			$pp_pic_holder.find('.pp_loaderIcon').show();
		};

		showimage=function(width,height,containerWidth,containerHeight,contentHeight,contentWidth,resized) {
			$('.pp_loaderIcon').hide();

			if($.browser.opera) {
				windowHeight=window.innerHeight;
				windowWidth=window.innerWidth;
			} else {
				windowHeight=$(window).height();
				windowWidth=$(window).width();
			};

			$pp_pic_holder.find('.pp_content').animate({ 'height': contentHeight },settings.animationSpeed);

			projectedTop=$scrollPos['scrollTop']+((windowHeight/2)-(containerHeight/2));
			if(projectedTop<0) projectedTop=0+$pp_pic_holder.find('.ppt').height();

			// Resize the holder
			$pp_pic_holder.animate({
				'top': projectedTop,
				'left': ((windowWidth/2)-(containerWidth/2)),
				'width': containerWidth
			},settings.animationSpeed,function() {
				$pp_pic_holder.width(containerWidth);
				$pp_pic_holder.find('.pp_hoverContainer,#fullResImage').height(height).width(width);

				// Fade the new image
				$pp_pic_holder.find('#pp_full_res').fadeIn(settings.animationSpeed,function() {
					$(this).find('object,embed').css('visibility','visible');
				});

				// Show the nav elements
				_showContent();

				// Fade the resizing link if the image is resized
				if(resized) $('a.pp_expand,a.pp_contract').fadeIn(settings.animationSpeed);
			});
		};

		function _showContent() {
			// Show the nav
			if(isSet&&pp_type=="image") { $pp_pic_holder.find('.pp_hoverContainer').fadeIn(settings.animationSpeed); } else { $pp_pic_holder.find('.pp_hoverContainer').hide(); }
			$pp_pic_holder.find('.pp_details').fadeIn(settings.animationSpeed);

			// Show the title
			if(settings.showTitle&&hasTitle) {
				$ppt.css({
					'top': $pp_pic_holder.offset().top-22,
					'left': $pp_pic_holder.offset().left+(settings.padding/2),
					'display': 'none'
				});

				$ppt.fadeIn(settings.animationSpeed);
			};
		}

		function _hideContent() {
			// Fade out the current picture
			$pp_pic_holder.find('.pp_hoverContainer,.pp_details').fadeOut(settings.animationSpeed);
			$pp_pic_holder.find('#pp_full_res object,#pp_full_res embed').css('visibility','hidden');
			$pp_pic_holder.find('#pp_full_res').fadeOut(settings.animationSpeed,function() {
				$('.pp_loaderIcon').show();

				// Preload the image
				_preload();
			});

			// Hide the title
			$ppt.fadeOut(settings.animationSpeed);
		}

		function changePicture(direction) {
			if(direction=='previous') {
				arrayPosition--;
				setPosition--;
			} else {
				arrayPosition++;
				setPosition++;
			};

			// Allow the resizing of the images
			if(!doresize) doresize=true;

			_hideContent();
			$('a.pp_expand,a.pp_contract').fadeOut(settings.animationSpeed,function() {
				$(this).removeClass('pp_contract').addClass('pp_expand');
			});
		};

		function close() {
			$pp_pic_holder.find('object,embed').css('visibility','hidden');

			$('div.pp_pic_holder,div.ppt').fadeOut(settings.animationSpeed);

			$('div.pp_overlay').fadeOut(settings.animationSpeed,function() {
				$('div.pp_overlay,div.pp_pic_holder,div.ppt').remove();

				// To fix the bug with IE select boxes
				if($.browser.msie&&$.browser.version==6) {
					$('select').css('visibility','visible');
				};

				settings.callback();
			});

			doresize=true;
		};

		function _checkPosition() {
			// If at the end, hide the next link
			if(setPosition==setCount) {
				$pp_pic_holder.find('a.pp_next').css('visibility','hidden');
				$pp_pic_holder.find('a.pp_arrow_next').addClass('disabled').unbind('click');
			} else {
				$pp_pic_holder.find('a.pp_next').css('visibility','visible');
				$pp_pic_holder.find('a.pp_arrow_next.disabled').removeClass('disabled').bind('click',function() {
					changePicture('next');
					return false;
				});
			};

			// If at the beginning, hide the previous link
			if(setPosition==1) {
				$pp_pic_holder.find('a.pp_previous').css('visibility','hidden');
				$pp_pic_holder.find('a.pp_arrow_previous').addClass('disabled').unbind('click');
			} else {
				$pp_pic_holder.find('a.pp_previous').css('visibility','visible');
				$pp_pic_holder.find('a.pp_arrow_previous.disabled').removeClass('disabled').bind('click',function() {
					changePicture('previous');
					return false;
				});
			};

			// Change the current picture text
			$pp_pic_holder.find('p.currentTextHolder').text(setPosition+settings.counter_separator_label+setCount);

			$caller=(isSet)?$(imagesArray[arrayPosition]):$caller;
			_getFileType();

			if($caller.attr('title')) {
				$pp_pic_holder.find('.pp_description').show().html(unescape($caller.attr('title')));
			} else {
				$pp_pic_holder.find('.pp_description').hide().text('');
			};

			if($caller.find('img').attr('alt')&&settings.showTitle) {
				hasTitle=true;
				$ppt.html(unescape($caller.find('img').attr('alt')));
			} else {
				hasTitle=false;
			};
		};

		function _fitToViewport(width,height) {
			hasBeenResized=false;

			_getDimensions(width,height);

			// Define them in case there's no resize needed
			imageWidth=width;
			imageHeight=height;

			windowHeight=$(window).height();
			windowWidth=$(window).width();

			if(((pp_containerWidth>windowWidth)||(pp_containerHeight>windowHeight))&&doresize&&settings.allowresize&&!percentBased) {
				hasBeenResized=true;
				notFitting=true;

				while(notFitting) {
					if((pp_containerWidth>windowWidth)) {
						imageWidth=(windowWidth-200);
						imageHeight=(height/width)*imageWidth;
					} else if((pp_containerHeight>windowHeight)) {
						imageHeight=(windowHeight-200);
						imageWidth=(width/height)*imageHeight;
					} else {
						notFitting=false;
					};

					pp_containerHeight=imageHeight;
					pp_containerWidth=imageWidth;
				};

				_getDimensions(imageWidth,imageHeight);
			};

			return {
				width: imageWidth,
				height: imageHeight,
				containerHeight: pp_containerHeight,
				containerWidth: pp_containerWidth,
				contentHeight: pp_contentHeight,
				contentWidth: pp_contentWidth,
				resized: hasBeenResized
			};
		};

		function _getDimensions(width,height) {
			$pp_pic_holder.find('.pp_details').width(width).find('.pp_description').width(width-parseFloat($pp_pic_holder.find('a.pp_close').css('width'))); /* To have the correct height */

			// Get the container size, to resize the holder to the right dimensions
			pp_contentHeight=height+$pp_pic_holder.find('.pp_details').height()+parseFloat($pp_pic_holder.find('.pp_details').css('marginTop'))+parseFloat($pp_pic_holder.find('.pp_details').css('marginBottom'));
			pp_contentWidth=width;
			pp_containerHeight=pp_contentHeight+$pp_pic_holder.find('.ppt').height()+$pp_pic_holder.find('.pp_top').height()+$pp_pic_holder.find('.pp_bottom').height();
			pp_containerWidth=width+settings.padding;
		}

		function _getFileType() {
			if($caller.attr('href').match(/youtube\.com\/watch/i)) {
				pp_type='youtube';
			} else if($caller.attr('href').indexOf('.mov')!= -1) {
				pp_type='quicktime';
			} else if($caller.attr('href').indexOf('.swf')!= -1) {
				pp_type='flash';
			} else if($caller.attr('href').indexOf('iframe')!= -1) {
				pp_type='iframe'
			} else {
				pp_type='image';
			}
		}

		function _centerPicture() {
			if($pp_pic_holder) { if($pp_pic_holder.size()==0) { return; } } else { return; }; //Make sure the gallery is open

			if($.browser.opera) {
				windowHeight=window.innerHeight;
				windowWidth=window.innerWidth;
			} else {
				windowHeight=$(window).height();
				windowWidth=$(window).width();
			};

			if(doresize) {
				$pHeight=$pp_pic_holder.height();
				$pWidth=$pp_pic_holder.width();
				$tHeight=$ppt.height();

				projectedTop=(windowHeight/2)+$scrollPos['scrollTop']-($pHeight/2);
				if(projectedTop<0) projectedTop=0+$tHeight;

				$pp_pic_holder.css({
					'top': projectedTop,
					'left': (windowWidth/2)+$scrollPos['scrollLeft']-($pWidth/2)
				});

				$ppt.css({
					'top': projectedTop-$tHeight,
					'left': (windowWidth/2)+$scrollPos['scrollLeft']-($pWidth/2)+(settings.padding/2)
				});
			};
		};

		function _preload() {
			// Hide the next/previous links if on first or last images.
			_checkPosition();

			if(pp_type=='image') {
				// Set the new image
				imgPreloader=new Image();

				// Preload the neighbour images
				nextImage=new Image();
				if(isSet&&setPosition>setCount) nextImage.src=$(imagesArray[arrayPosition+1]).attr('href');
				prevImage=new Image();
				if(isSet&&imagesArray[arrayPosition-1]) prevImage.src=$(imagesArray[arrayPosition-1]).attr('href');

				pp_typeMarkup='<img id="fullResImage" src="" />';
				$pp_pic_holder.find('#pp_full_res')[0].innerHTML=pp_typeMarkup;

				$pp_pic_holder.find('.pp_content').css('overflow','hidden');
				$pp_pic_holder.find('#fullResImage').attr('src',$caller.attr('href'));

				imgPreloader.onload=function() {
					var correctSizes=_fitToViewport(imgPreloader.width,imgPreloader.height);
					imgPreloader.width=correctSizes['width'];
					imgPreloader.height=correctSizes['height'];
					showimage(imgPreloader.width,imgPreloader.height,correctSizes["containerWidth"],correctSizes["containerHeight"],correctSizes["contentHeight"],correctSizes["contentWidth"],correctSizes["resized"]);
				};

				imgPreloader.src=$caller.attr('href');
			} else {
				// Get the dimensions
				movie_width=(parseFloat(grab_param('width',$caller.attr('href'))))?grab_param('width',$caller.attr('href')):"425";
				movie_height=(parseFloat(grab_param('height',$caller.attr('href'))))?grab_param('height',$caller.attr('href')):"344";

				// If the size is % based
				if(movie_width.indexOf('%')!= -1||movie_height.indexOf('%')!= -1) {
					movie_height=($(window).height()*parseFloat(movie_height)/100)-100;
					movie_width=($(window).width()*parseFloat(movie_width)/100)-100;
					parsentBased=true;
				} else {
					movie_height=parseFloat(movie_height);
					movie_width=parseFloat(movie_width);
				}

				if(pp_type=='quicktime') { movie_height+=13; }

				// Fit them to viewport
				correctSizes=_fitToViewport(movie_width,movie_height);

				if(pp_type=='youtube') {
					pp_typeMarkup='<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" width="'+correctSizes['width']+'" height="'+correctSizes['height']+'"><param name="allowfullscreen" value="true" /><param name="allowscriptaccess" value="always" /><param name="movie" value="http://www.youtube.com/v/'+grab_param('v',$caller.attr('href'))+'" /><embed src="http://www.youtube.com/v/'+grab_param('v',$caller.attr('href'))+'" type="application/x-shockwave-flash" allowfullscreen="true" allowscriptaccess="always" width="'+correctSizes['width']+'" height="'+correctSizes['height']+'"></embed></object>';
				} else if(pp_type=='quicktime') {
					pp_typeMarkup='<object classid="clsid:02BF25D5-8C17-4B23-BC80-D3488ABDDC6B" codebase="http://www.apple.com/qtactivex/qtplugin.cab" height="'+correctSizes['height']+'" width="'+correctSizes['width']+'"><param name="src" value="'+$caller.attr('href')+'"><param name="autoplay" value="true"><param name="type" value="video/quicktime"><embed src="'+$caller.attr('href')+'" height="'+correctSizes['height']+'" width="'+correctSizes['width']+'" autoplay="true" type="video/quicktime" pluginspage="http://www.apple.com/quicktime/download/"></embed></object>';
				} else if(pp_type=='flash') {
					flash_vars=$caller.attr('href');
					flash_vars=flash_vars.substring($caller.attr('href').indexOf('flashvars')+10,$caller.attr('href').length);

					filename=$caller.attr('href');
					filename=filename.substring(0,filename.indexOf('?'));

					pp_typeMarkup='<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" width="'+correctSizes['width']+'" height="'+correctSizes['height']+'"><param name="allowfullscreen" value="true" /><param name="allowscriptaccess" value="always" /><param name="movie" value="'+filename+'?'+flash_vars+'" /><embed src="'+filename+'?'+flash_vars+'" type="application/x-shockwave-flash" allowfullscreen="true" allowscriptaccess="always" width="'+correctSizes['width']+'" height="'+correctSizes['height']+'"></embed></object>';
				} else if(pp_type=='iframe') {
					movie_url=$caller.attr('href');
					movie_url=movie_url.substr(0,movie_url.indexOf('iframe')-1);
					map_address=grab_param('q',$caller.attr('href'));
					if (map_address!='')
					{
						pp_typeMarkup='<iframe src ="'+movie_url+'?q='+map_address+'" width="'+(correctSizes['width']-10)+'" height="'+(correctSizes['height']-10)+'" frameborder="0"></iframe>';
					}
					else
					{
						pp_typeMarkup='<iframe src ="'+movie_url+'" width="'+(correctSizes['width']-10)+'" height="'+(correctSizes['height']-10)+'" frameborder="0"></iframe>';
					}
				}
				// Append HTML
				$pp_pic_holder.find('#pp_full_res')[0].innerHTML=pp_typeMarkup;

				// Show content
				showimage(correctSizes['width'],correctSizes['height'],correctSizes["containerWidth"],correctSizes["containerHeight"],correctSizes["contentHeight"],correctSizes["contentWidth"],correctSizes["resized"]);
			}
		};

		function _getScroll() {
			if(self.pageYOffset) {
				scrollTop=self.pageYOffset;
				scrollLeft=self.pageXOffset;
			} else if(document.documentElement&&document.documentElement.scrollTop) {	 // Explorer 6 Strict
				scrollTop=document.documentElement.scrollTop;
				scrollLeft=document.documentElement.scrollLeft;
			} else if(document.body) {// all other Explorers
				scrollTop=document.body.scrollTop;
				scrollLeft=document.body.scrollLeft;
			}

			return { scrollTop: scrollTop,scrollLeft: scrollLeft };
		};

		function _resizeOverlay() {
			$('div.pp_overlay').css({
				'height': $(document).height(),
				'width': $(window).width()
			});
		};

		function _buildOverlay() {
			toInject="";

			// Build the background overlay div
			toInject+="<div class='pp_overlay'></div>";

			// Define the markup to append, depending on the content type.
			if(pp_type=='image') {
				pp_typeMarkup='<img id="fullResImage" src="" />';
			} else {
				pp_typeMarkup='';
			}

			// Basic HTML for the picture holder
			toInject+='<div class="pp_pic_holder"><div class="pp_top"><div class="pp_left"></div><div class="pp_middle"></div><div class="pp_right"></div></div><div class="pp_content"><a href="#" class="pp_expand" title="Expand the image">Expand</a><div class="pp_loaderIcon"></div><div class="pp_hoverContainer"><a class="pp_next" href="#">next</a><a class="pp_previous" href="#">previous</a></div><div id="pp_full_res">'+pp_typeMarkup+'</div><div class="pp_details clearfix"><a class="pp_close" href="#">Close</a><p class="pp_description"></p><div class="pp_nav"><a href="#" class="pp_arrow_previous">Previous</a><p class="currentTextHolder">0'+settings.counter_separator_label+'0</p><a href="#" class="pp_arrow_next">Next</a></div></div></div><div class="pp_bottom"><div class="pp_left"></div><div class="pp_middle"></div><div class="pp_right"></div></div></div>';

			// Basic html for the title holder
			toInject+='<div class="ppt"></div>';

			$('body').append(toInject);

			// Set my global selectors
			$pp_pic_holder=$('.pp_pic_holder');
			$ppt=$('.ppt');

			$('div.pp_overlay').css('height',$(document).height()).bind('click',function() {
				close();
			});

			$pp_pic_holder.css({ 'opacity': 0 }).addClass(settings.theme);

			$('a.pp_close').bind('click',function() { close();return false; });

			$('a.pp_expand').bind('click',function() {
				$this=$(this);

				// Expand the image
				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();

				$pp_pic_holder.find('.pp_hoverContainer, #pp_full_res, .pp_details').fadeOut(settings.animationSpeed,function() {
					_preload();
				});

				return false;
			});

			$pp_pic_holder.find('.pp_previous, .pp_arrow_previous').bind('click',function() {
				changePicture('previous');
				return false;
			});

			$pp_pic_holder.find('.pp_next, .pp_arrow_next').bind('click',function() {
				changePicture('next');
				return false;
			});

			$pp_pic_holder.find('.pp_hoverContainer').css({
				'margin-left': settings.padding/2
			});

			// If it's not a set, hide the links
			if(!isSet) {
				$pp_pic_holder.find('.pp_hoverContainer,.pp_nav').hide();
			};


			// To fix the bug with IE select boxes
			if($.browser.msie&&$.browser.version==6) {
				$('body').addClass('ie6');
				$('select').css('visibility','hidden');
			};

			// Then fade it in
			$('div.pp_overlay').css('opacity',0).fadeTo(settings.animationSpeed,settings.opacity,function() {
				$pp_pic_holder.css('opacity',0).fadeIn(settings.animationSpeed,function() {
					$pp_pic_holder.attr('style','left:'+$pp_pic_holder.css('left')+';top:'+$pp_pic_holder.css('top')+';');
					_preload();
				});
			});
		};
	};

	function grab_param(name,url) {
		name=name.replace(/[\[]/,"\\\[").replace(/[\]]/,"\\\]");
		var regexS="[\\?&]"+name+"=([^&#]*)";
		var regex=new RegExp(regexS);
		var results=regex.exec(url);
		if(results==null)
			return "";
		else
			return results[1];
	}
})(jQuery);