(function($) {
$.prettyPhoto = {version: '2.5.6'};

$.fn.prettyPhoto = function(settings) {
settings = jQuery.extend({
animationSpeed: 'normal', /* fast/slow/normal */
opacity: 0.80, /* Value between 0 and 1 */
showTitle: true, /* true/false */
allowresize: true, /* true/false */
default_width: 500,
default_height: 344,
counter_separator_label: '/', /* The separator for the gallery counter 1 "of" 2 */
theme: 'light_rounded', /* light_rounded / dark_rounded / light_square / dark_square / facebook */
hideflash: false, /* Hides all the flash object on a page, set to TRUE if flash appears over prettyPhoto */
wmode: 'opaque', /* Set the flash wmode attribute */
autoplay: true, /* Automatically start videos: True/False */
modal: false, /* If set to true, only the close button will close the window */
changepicturecallback: function(){}, /* Called everytime an item is shown/changed */
callback: function(){}, /* Called when prettyPhoto is closed */
markup: '<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_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"> \
<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">0/0</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> \
<div class="ppt"></div>',
image_markup: '<img id="fullResImage" src="" />',
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>'
}, settings);

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

if($('.pp_overlay').size()==0) _buildOverlay(); // If the overlay is not there, inject it!

// Global variables accessible only by prettyPhoto
var doresize = true, percentBased = false, correctSizes,

// Cached selectors
$pp_pic_holder, $ppt, $pp_overlay,

// prettyPhoto container specific
pp_contentHeight, pp_contentWidth, pp_containerHeight, pp_containerWidth,

// Window size
windowHeight = $(window).height(), windowWidth = $(window).width(),

//Gallery specific
setPosition = 0,

// Global elements
scrollPos = _getScroll();

// Window/Keyboard events
$(window).scroll(function(){ scrollPos = _getScroll(); _centerOverlay(); _resizeOverlay(); });
$(window).resize(function(){ _centerOverlay(); _resizeOverlay(); });
$(document).keydown(function(e){
if($pp_pic_holder.is(':visible'))
switch(e.keyCode){
case 37:
$.prettyPhoto.changePage('previous');
break;
case 39:
$.prettyPhoto.changePage('next');
break;
case 27:
if(!settings.modal)
$.prettyPhoto.close();
break;
};
    });

// Bind the code to each links
$(this).each(function(){
$(this).bind('click',function(){
_self = this; // Fix scoping

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

// Build the gallery array
var images = new Array(), titles = new Array(), descriptions = new Array();
if(theGallery){
$('a[rel*='+theGallery+']').each(function(i){
if($(this)[0] === $(_self)[0]) setPosition = i; // Get the position in the set
images.push($(this).attr('href'));
titles.push($(this).find('img').attr('alt'));
descriptions.push($(this).attr('title'));
});
}else{
images = $(this).attr('href');
titles = ($(this).find('img').attr('alt')) ?  $(this).find('img').attr('alt') : '';
descriptions = ($(this).attr('title')) ?  $(this).attr('title') : '';
}

$.prettyPhoto.open(images,titles,descriptions);
return false;
});
});


/**
* Opens the prettyPhoto modal box.
* @param image {String,Array} Full path to the image to be open, can also be an array containing full images paths.
* @param title {String,Array} The title to be displayed with the picture, can also be an array containing all the titles.
* @param description {String,Array} The description to be displayed with the picture, can also be an array containing all the descriptions.
*/
$.prettyPhoto.open = function(gallery_images,gallery_titles,gallery_descriptions) {
// To fix the bug with IE select boxes
if($.browser.msie && $.browser.version == 6){
$('select').css('visibility','hidden');
};

if(settings.hideflash) $('object,embed').css('visibility','hidden'); // Hide the flash

// Convert everything to an array in the case it's a single item
images = $.makeArray(gallery_images);
titles = $.makeArray(gallery_titles);
descriptions = $.makeArray(gallery_descriptions);

image_set = ($(images).size() > 0) ?  true : false; // Find out if it's a set

// Hide the next/previous links if on first or last images.
_checkPosition($(images).size());

$('.pp_loaderIcon').show(); // Do I need to explain?

// Fade the content in
$pp_overlay.show().fadeTo(settings.animationSpeed,settings.opacity);

// Display the current position
$pp_pic_holder.find('.currentTextHolder').text((setPosition+1) + settings.counter_separator_label + $(images).size());

// Set the description
if(descriptions[setPosition]){
$pp_pic_holder.find('.pp_description').show().html(unescape(descriptions[setPosition]));
}else{
$pp_pic_holder.find('.pp_description').hide().text('');
};

// Set the title
if(titles[setPosition] && settings.showTitle){
hasTitle = true;
$ppt.html(unescape(titles[setPosition]));
}else{
hasTitle = false;
};

// Get the dimensions
movie_width = ( parseFloat(grab_param('width',images[setPosition])) ) ? grab_param('width',images[setPosition]) : settings.default_width.toString();
movie_height = ( parseFloat(grab_param('height',images[setPosition])) ) ? grab_param('height',images[setPosition]) : settings.default_height.toString();

// If the size is % based, calculate according to window dimensions
if(movie_width.indexOf('%') != -1 || movie_height.indexOf('%') != -1){
movie_height = parseFloat(($(window).height() * parseFloat(movie_height) / 100) - 100);
movie_width = parseFloat(($(window).width() * parseFloat(movie_width) / 100) - 100);
percentBased = true;
}

// Fade the holder
$pp_pic_holder.fadeIn(function(){
imgPreloader = "";
// Inject the proper content
switch(_getFileType(images[setPosition])){
case 'image':
// Set the new image
imgPreloader = new Image();

// Preload the neighbour images
nextImage = new Image();
if(image_set && setPosition > $(images).size()) nextImage.src = images[setPosition + 1];
prevImage = new Image();
if(image_set && images[setPosition - 1]) prevImage.src = images[setPosition - 1];

$pp_pic_holder.find('#pp_full_res')[0].innerHTML = settings.image_markup;
$pp_pic_holder.find('#fullResImage').attr('src',images[setPosition]);

imgPreloader.onload = function(){
// Fit item to viewport
correctSizes = _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();
};

imgPreloader.src = images[setPosition];
break;

case 'youtube':
correctSizes = _fitToViewport(movie_width,movie_height); // Fit item to viewport

movie = 'http://www.youtube.com/v/'+grab_param('v',images[setPosition]);
if(settings.autoplay) movie += "&autoplay=1";

toInject = settings.flash_markup.replace(/{width}/g,correctSizes['width']).replace(/{height}/g,correctSizes['height']).replace(/{wmode}/g,settings.wmode).replace(/{path}/g,movie);
break;

case 'vimeo':
correctSizes = _fitToViewport(movie_width,movie_height); // Fit item to viewport

movie_id = images[setPosition];
movie = 'http://vimeo.com/moogaloop.swf?clip_id='+ movie_id.replace('http://vimeo.com/','');
if(settings.autoplay) movie += "&autoplay=1";

toInject = settings.flash_markup.replace(/{width}/g,correctSizes['width']).replace(/{height}/g,correctSizes['height']).replace(/{wmode}/g,settings.wmode).replace(/{path}/g,movie);
break;

case 'quicktime':
correctSizes = _fitToViewport(movie_width,movie_height); // Fit item to viewport
correctSizes['height']+=15; correctSizes['contentHeight']+=15; correctSizes['containerHeight']+=15; // Add space for the control bar

toInject = settings.quicktime_markup.replace(/{width}/g,correctSizes['width']).replace(/{height}/g,correctSizes['height']).replace(/{wmode}/g,settings.wmode).replace(/{path}/g,images[setPosition]).replace(/{autoplay}/g,settings.autoplay);
break;

case 'flash':
correctSizes = _fitToViewport(movie_width,movie_height); // Fit item to viewport

flash_vars = images[setPosition];
flash_vars = flash_vars.substring(images[setPosition].indexOf('flashvars') + 10,images[setPosition].length);

filename = images[setPosition];
filename = filename.substring(0,filename.indexOf('?'));

toInject =  settings.flash_markup.replace(/{width}/g,correctSizes['width']).replace(/{height}/g,correctSizes['height']).replace(/{wmode}/g,settings.wmode).replace(/{path}/g,filename+'?'+flash_vars);
break;

case 'iframe':
correctSizes = _fitToViewport(movie_width,movie_height); // Fit item to viewport

frame_url = images[setPosition];
frame_url = frame_url.substr(0,frame_url.indexOf('iframe')-1);

toInject = settings.iframe_markup.replace(/{width}/g,correctSizes['width']).replace(/{height}/g,correctSizes['height']).replace(/{path}/g,frame_url);
break;

case 'inline':
// to get the item height clone it, apply default width, wrap it in the prettyPhoto containers , then delete
myClone = $(images[setPosition]).clone().css({'width':settings.default_width}).wrapInner('<div id="pp_full_res"><div class="pp_inline clearfix"></div></div>').appendTo($('body'));
correctSizes = _fitToViewport($(myClone).width(),$(myClone).height());
$(myClone).remove();
toInject = settings.inline_markup.replace(/{content}/g,$(images[setPosition]).html());
break;
};

if(!imgPreloader){
$pp_pic_holder.find('#pp_full_res')[0].innerHTML = toInject;

// Show content
_showContent();
};
});

};

/**
* Change page in the prettyPhoto modal box
* @param direction {String} Direction of the paging, previous or next.
*/
$.prettyPhoto.changePage = function(direction){
if(direction == 'previous') {
setPosition--;
if (setPosition < 0){
setPosition = 0;
return;
};
}else{
if($('.pp_arrow_next').is('.disabled')) return;
setPosition++;
};

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

_hideContent(function(){$.prettyPhoto.open(images,titles,descriptions)});
$('a.pp_expand,a.pp_contract').fadeOut(settings.animationSpeed);
};

/**
* Closes the prettyPhoto modal box.
*/
$.prettyPhoto.close = function(){
$pp_pic_holder.find('object,embed').css('visibility','hidden');

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

$pp_overlay.fadeOut(settings.animationSpeed, function(){
$('#pp_full_res').html(''); // Kill the opened content

$pp_pic_holder.attr('style','').find('div:not(.pp_hoverContainer)').attr('style',''); // Reset the width and everything that has been set.
_centerOverlay(); // Center it

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

// Show the flash
if(settings.hideflash) $('object,embed').css('visibility','visible');

setPosition = 0;
settings.callback();
});
doresize = true;
};

/**
* Set the proper sizes on the containers and animate the content in.
*/
_showContent = function(){
$('.pp_loaderIcon').hide();

// Calculate the opened top position of the pic holder
projectedTop = scrollPos['scrollTop'] + ((windowHeight/2) - (correctSizes['containerHeight']/2));
if(projectedTop < 0) projectedTop = 0 + $ppt.height();

// Resize the content holder
$pp_pic_holder.find('.pp_content').animate({'height':correctSizes['contentHeight']},settings.animationSpeed);

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

// Fade the new image
$pp_pic_holder.find('.pp_fade').fadeIn(settings.animationSpeed);

// Show the nav
if(image_set && _getFileType(images[setPosition])=="image") { $pp_pic_holder.find('.pp_hoverContainer').show(); }else{ $pp_pic_holder.find('.pp_hoverContainer').hide(); }

// Show the title
if(settings.showTitle && hasTitle){
$ppt.css({
'top' : $pp_pic_holder.offset().top - 25,
'left' : $pp_pic_holder.offset().left + 20,
'display' : 'none'
});

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

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

// Callback!
settings.changepicturecallback();
});
};

/**
* Hide the content...DUH!
*/
function _hideContent(callback){
// Fade out the current picture
$pp_pic_holder.find('#pp_full_res object,#pp_full_res embed').css('visibility','hidden');
$pp_pic_holder.find('.pp_fade').fadeOut(settings.animationSpeed,function(){
$('.pp_loaderIcon').show();

if(callback) callback();
});

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

/**
* Check the item position in the gallery array, hide or show the navigation links
* @param setCount {integer} The total number of items in the set
*/
function _checkPosition(setCount){
// If at the end, hide the next link
if(setPosition == setCount-1) {
$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(){
$.prettyPhoto.changePage('next');
return false;
});
};

// If at the beginning, hide the previous link
if(setPosition == 0) {
$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(){
$.prettyPhoto.changePage('previous');
return false;
});
};

// Hide the bottom nav if it's not a set.
if(setCount > 1) {
$('.pp_nav').show();
}else{
$('.pp_nav').hide();
}
};

/**
* Resize the item dimensions if it's bigger than the viewport
* @param width {integer} Width of the item to be opened
* @param height {integer} Height of the item to be opened
* @return An array containin the "fitted" dimensions
*/
function _fitToViewport(width,height){
hasBeenResized = false;

_getDimensions(width,height);

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

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: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:hasBeenResized
};
};

/**
* Get the containers dimensions according to the item size
* @param width {integer} Width of the item to be opened
* @param height {integer} Height of the item to be opened
*/
function _getDimensions(width,height){
width = parseFloat(width);
height = parseFloat(height);

// Get the details height, to do so, I need to clone it since it's invisible
$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 += $pp_details.height();
detailsHeight = (detailsHeight <= 34) ? 36 : detailsHeight; // Min-height for the details
if($.browser.msie && $.browser.version==7) detailsHeight+=8;
$pp_details.remove();

// Get the container size, to resize the holder to the right dimensions
pp_contentHeight = height + detailsHeight;
pp_contentWidth = width;
pp_containerHeight = pp_contentHeight + $ppt.height() + $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.indexOf('.mov') != -1){ 
return 'quicktime';
}else if(itemSrc.indexOf('.swf') != -1){
return 'flash';
}else if(itemSrc.indexOf('iframe') != -1){
return 'iframe'
}else if(itemSrc.substr(0,1) == '#'){
return 'inline';
}else{
return 'image';
};
};

function _centerOverlay(){
if(doresize) {
titleHeight = $ppt.height();
contentHeight = $pp_pic_holder.height();
contentwidth = $pp_pic_holder.width();

projectedTop = (windowHeight/2) + scrollPos['scrollTop'] - ((contentHeight+titleHeight)/2);

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

$ppt.css({
'top' : projectedTop - titleHeight,
'left': (windowWidth/2) + scrollPos['scrollLeft'] - (contentwidth/2) + 20
});
};
};

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

function _resizeOverlay() {
windowHeight = $(window).height();
windowWidth = $(window).width();

$pp_overlay.css({
'height':$(document).height()
});
};

function _buildOverlay(){
// Inject the markup
$('body').append(settings.markup);

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

$pp_pic_holder.attr('class','pp_pic_holder ' + settings.theme); // Set the proper theme

$pp_overlay
.css({
'opacity':0,
'height':$(document).height()
})
.bind('click',function(){
if(!settings.modal)
$.prettyPhoto.close();
});

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

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

// 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(function(){ $.prettyPhoto.open(images,titles,descriptions) });

$pp_pic_holder.find('.pp_fade').fadeOut(settings.animationSpeed);

return false;
});

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

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

_centerOverlay(); // Center it
};

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);