
(function($){
    $.prettyPhoto={
        version:'2.5.4'
    };

    $.fn.prettyPhoto=function(settings){
        settings=jQuery.extend({
            animationSpeed:'normal',
            padding:40,
            opacity:0.80,
            showTitle:true,
            allowresize:true,
            counter_separator_label:'/',
            theme:'light_rounded',
            hideflash:false,
            modal:false,
            changepicturecallback:function(){},
            callback:function(){}
        },settings);
    if($.browser.msie&&$.browser.version==6){
        settings.theme="light_square";
    }
    if($('.pp_overlay').size()==0){
        _buildOverlay();
    }else{
        $pp_pic_holder=$('.pp_pic_holder');
        $ppt=$('.ppt');
    }
    var doresize=true,percentBased=false,correctSizes,$pp_pic_holder,$ppt,pp_contentHeight,pp_contentWidth,pp_containerHeight,pp_containerWidth,pp_type='image',setPosition=0,$scrollPos=_getScroll();
    $(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;
            };

    });
$(this).each(function(){
    $(this).bind('click',function(){
        link=this;
        theRel=$(this).attr('rel');
        //alert(theRel);
        galleryRegExp=/\[(?:.*)\]/;
        theGallery=galleryRegExp.exec(theRel);
        var images=new Array(),titles=new Array(),descriptions=new Array();
        if(theGallery){					
            $("a[rel*=gallery]").each(function(i){
                if($(this)[0]===$(link)[0])setPosition=i;
                images.push($(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;
    });
});
$.prettyPhoto.open=function(gallery_images,gallery_titles,gallery_descriptions){
    if($.browser.msie&&$.browser.version==6){
        $('select').css('visibility','hidden');
    };

    if(settings.hideflash)$('object,embed').css('visibility','hidden');
    images=$.makeArray(gallery_images);
    titles=$.makeArray(gallery_titles);
    descriptions=$.makeArray(gallery_descriptions);
    if($('.pp_overlay').size()==0){
        _buildOverlay();
    }else{
        $pp_pic_holder=$('.pp_pic_holder');
        $ppt=$('.ppt');
    }
    $pp_pic_holder.attr('class','pp_pic_holder '+settings.theme);
    isSet=($(images).size()>0)?true:false;
    _getFileType(images[setPosition]);
    _centerOverlay();
    _checkPosition($(images).size());
    $('.pp_loaderIcon').show();
    $('div.pp_overlay').show().fadeTo(settings.animationSpeed,settings.opacity,function(){
        $pp_pic_holder.fadeIn(settings.animationSpeed,function(){
            $pp_pic_holder.find('p.currentTextHolder').text((setPosition+1)+settings.counter_separator_label+$(images).size());
            if(descriptions[setPosition]){
                $pp_pic_holder.find('.pp_description').show().html(unescape(descriptions[setPosition]));
            }else{
                $pp_pic_holder.find('.pp_description').hide().text('');
            };

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

            if(pp_type=='image'){
                imgPreloader=new Image();
                nextImage=new Image();
                if(isSet&&setPosition>$(images).size())nextImage.src=images[setPosition+1];
                prevImage=new Image();
                if(isSet&&images[setPosition-1])prevImage.src=images[setPosition-1];
                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',images[setPosition]);
                imgPreloader.onload=function(){
                    correctSizes=_fitToViewport(imgPreloader.width,imgPreloader.height);
                    _showContent();
                };

                imgPreloader.src=images[setPosition];
            }else{
                movie_width=(parseFloat(grab_param('width',images[setPosition])))?grab_param('width',images[setPosition]):"425";
                movie_height=(parseFloat(grab_param('height',images[setPosition])))?grab_param('height',images[setPosition]):"344";
                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;
                    percentBased=true;
                }
                movie_height=parseFloat(movie_height);
                movie_width=parseFloat(movie_width);
                if(pp_type=='quicktime')movie_height+=15;
                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',images[setPosition])+'" /><embed src="http://www.youtube.com/v/'+grab_param('v',images[setPosition])+'" 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="'+images[setPosition]+'"><param name="autoplay" value="true"><param name="type" value="video/quicktime"><embed src="'+images[setPosition]+'" 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=images[setPosition];
                    flash_vars=flash_vars.substring(images[setPosition].indexOf('flashvars')+10,images[setPosition].length);
                    filename=images[setPosition];
                    filename=filename.substring(0,filename.indexOf('?'));
                    flash_vars = 'width='+correctSizes['width']+'&height='+correctSizes['height'];
                    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=images[setPosition];
                    movie_url=movie_url.substr(0,movie_url.indexOf('iframe')-1);
                    pp_typeMarkup='<iframe src ="'+movie_url+'" width="'+(correctSizes['width']-10)+'" height="'+(correctSizes['height']-10)+'" frameborder="no"></iframe>';
                }
                _showContent();
            }
        });
    });
};

$.prettyPhoto.changePage=function(direction){
    if(direction=='previous'){
        setPosition--;
        if(setPosition<0){
            setPosition=0;
            return;
        }
    }else{
    if($('.pp_arrow_next').is('.disabled'))return;
    setPosition++;
};

if(!doresize)doresize=true;
    _hideContent();
    $('a.pp_expand,a.pp_contract').fadeOut(settings.animationSpeed,function(){
    $(this).removeClass('pp_contract').addClass('pp_expand');
    $.prettyPhoto.open(images,titles,descriptions);
});
};

$.prettyPhoto.close=function(){
    $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(){
        $('div.pp_overlay,div.pp_pic_holder,div.ppt').remove();
        if($.browser.msie&&$.browser.version==6){
            $('select').css('visibility','visible');
        };

        if(settings.hideflash)$('object,embed').css('visibility','visible');
        setPosition=0;
        settings.callback();
    });
    doresize=true;
};

_showContent=function(){
    $('.pp_loaderIcon').hide();
    if($.browser.opera){
        windowHeight=window.innerHeight;
        windowWidth=window.innerWidth;
    }else{
        windowHeight=$(window).height();
        windowWidth=$(window).width();
    };

    projectedTop=$scrollPos['scrollTop']+((windowHeight/2)-(correctSizes['containerHeight']/2));
    if(projectedTop<0)projectedTop=0+$pp_pic_holder.find('.ppt').height();
    $pp_pic_holder.find('.pp_content').animate({
        'height':correctSizes['contentHeight']
        },settings.animationSpeed);
    $pp_pic_holder.animate({
        'top':projectedTop,
        'left':((windowWidth/2)-(correctSizes['containerWidth']/2)),
        'width':correctSizes['containerWidth']
        },settings.animationSpeed,function(){
        $pp_pic_holder.width(correctSizes['containerWidth']);
        $pp_pic_holder.find('.pp_hoverContainer,#fullResImage').height(correctSizes['height']).width(correctSizes['width']);
        $pp_pic_holder.find('#pp_full_res').fadeIn(settings.animationSpeed);
        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);
        if(settings.showTitle&&hasTitle){
            $ppt.css({
                'top':$pp_pic_holder.offset().top-20,
                'left':$pp_pic_holder.offset().left+(settings.padding/2),
                'display':'none'
            });
            $ppt.fadeIn(settings.animationSpeed);
        };

        if(correctSizes['resized'])$('a.pp_expand,a.pp_contract').fadeIn(settings.animationSpeed);
        if(pp_type!='image')$pp_pic_holder.find('#pp_full_res')[0].innerHTML=pp_typeMarkup;
        settings.changepicturecallback();
    });
};

function _hideContent(){
    $pp_pic_holder.find('#pp_full_res object,#pp_full_res embed').css('visibility','hidden');
    $pp_pic_holder.find('.pp_hoverContainer,.pp_details').fadeOut(settings.animationSpeed);
    $pp_pic_holder.find('#pp_full_res').fadeOut(settings.animationSpeed,function(){
        $('.pp_loaderIcon').show();
    });
    $ppt.fadeOut(settings.animationSpeed);
}
function _checkPosition(setCount){
    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(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;
        });
    };

    if(setCount>1){
        $('.pp_nav').show();
    }else{
        $('.pp_nav').hide();
    }
};

function _fitToViewport(width,height){
    hasBeenResized=false;
    _getDimensions(width,height);
    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')));
    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(itemSrc){
    if(itemSrc.match(/youtube\.com\/watch/i)){
        pp_type='youtube';
    }else if(itemSrc.indexOf('.mov')!=-1){
        pp_type='quicktime';
    }else if(itemSrc.indexOf('.swf')!=-1){
        pp_type='flash';        
    }else if(itemSrc.indexOf('iframe')!=-1){
        pp_type='iframe'
        }else{
        pp_type='image';
    };

};

function _centerOverlay(){
    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 _getScroll(){
    if(self.pageYOffset){
        scrollTop=self.pageYOffset;
        scrollLeft=self.pageXOffset;
    }else if(document.documentElement&&document.documentElement.scrollTop){
        scrollTop=document.documentElement.scrollTop;
        scrollLeft=document.documentElement.scrollLeft;
    }else if(document.body){
        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="";
    toInject+="<div class='pp_overlay'></div>";
    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"></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>';
    toInject+='<div class="ppt"></div>';
    $('body').append(toInject);
    $('div.pp_overlay').css('opacity',0);
    $pp_pic_holder=$('.pp_pic_holder');
    $ppt=$('.ppt');
    $('div.pp_overlay').css('height',$(document).height()).hide().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);
        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_details').fadeOut(settings.animationSpeed);
        $pp_pic_holder.find('#pp_full_res').fadeOut(settings.animationSpeed,function(){
            $.prettyPhoto.open(images,titles,descriptions);
        });
        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;
    });
    $pp_pic_holder.find('.pp_hoverContainer').css({
        'margin-left':settings.padding/2
        });
};

};

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);
