/**
 * jQuery lightBox plugin
 * This jQuery plugin was inspired and based on Lightbox 2 by Lokesh Dhakar (http://www.huddletogether.com/projects/lightbox2/)
 * and adapted to me for use like a plugin from jQuery.
 * @name jquery-lightbox-0.5.js
 * @author Leandro Vieira Pinho - http://leandrovieira.com
 * @version 0.5
 * @date April 11, 2008
 * @category jQuery plugin
 * @copyright (c) 2008 Leandro Vieira Pinho (leandrovieira.com)
 * @license CCAttribution-ShareAlike 2.5 Brazil - http://creativecommons.org/licenses/by-sa/2.5/br/deed.en_US
 * @example Visit http://leandrovieira.com/projects/jquery/lightbox/ for more informations about this jQuery plugin
 */
(function($){
    $.fn.lightBox=function(settings){
        settings=jQuery.extend({
            overlayBgColor:'#000',
            overlayOpacity:0.8,
            fixedNavigation:false,
            imageLoading:'http://www.dakar.com/dakar/img/commun/lightbox-ico-loading.gif',
            imageBtnPrev:'http://www.dakar.com/dakar/img/commun/lightbox-btn-prev.gif',
            imageBtnNext:'http://www.dakar.com/dakar/img/commun/lightbox-btn-next.gif',
            imageBtnClose:'http://www.dakar.com/dakar/img/commun/lightbox-btn-close.gif',
            imageBlank:'http://www.dakar.com/dakar/img/commun/lightbox-blank.gif',
            containerBorderSize:10,
            containerResizeSpeed:400,
            txtImage:'Image',
            txtOf:'of',
            keyToClose:'c',
            keyToPrev:'p',
            keyToNext:'n',
            imageArray:[],
            activeImage:0
        },settings);
        var jQueryMatchedObj=this;
        function _initialize(){
            _start(this,jQueryMatchedObj);
            return false;
        }
        function _start(objClicked,jQueryMatchedObj){
            $('embed, object, select').css({
                'visibility':'hidden'
            });


            _set_interface();

            if(settings.imageArray.length==0) {
                
                   settings.imageArray.length=0;
                    settings.activeImage=0;
                    if(jQueryMatchedObj.length==1){
                        settings.imageArray.push(new Array(objClicked.getAttribute('href'),objClicked.getAttribute('title')));
                    }else{
                        for(var i=0;i<jQueryMatchedObj.length;i++){
                            settings.imageArray.push(new Array(jQueryMatchedObj[i].getAttribute('href'),jQueryMatchedObj[i].getAttribute('title')));
                        }
                        }


                while(settings.imageArray[settings.activeImage][0]!=objClicked.getAttribute('href')){
                    settings.activeImage++;
                }
            }
        _set_image_to_view();


    }
    function _set_interface(){
        $('body').append('<div id="jquery-overlay"></div><div id="jquery-lightbox"><div id="lightbox-container-image-box"><div id="lightbox-container-image"><img id="lightbox-image"><div style="" id="lightbox-nav"><a href="#" id="lightbox-nav-btnPrev"></a><a href="#" id="lightbox-nav-btnNext"></a></div><div id="lightbox-loading"><a href="#" id="lightbox-loading-link"><img src="'+settings.imageLoading+'"></a></div></div></div><div id="lightbox-container-image-data-box"><div id="lightbox-container-image-data"><div id="lightbox-image-details"><span id="lightbox-image-details-caption"></span><span id="lightbox-image-details-currentNumber"></span></div><div id="lightbox-secNav"><a href="#" id="lightbox-secNav-btnClose"><img src="'+settings.imageBtnClose+'"></a></div></div></div></div>');
        var arrPageSizes=___getPageSize();
        $('#jquery-overlay').css({
            backgroundColor:settings.overlayBgColor,
            opacity:settings.overlayOpacity,
            width:arrPageSizes[0],
            height:arrPageSizes[1]
            }).fadeIn();
        var arrPageScroll=___getPageScroll();
        $('#jquery-lightbox').css({
            top:arrPageScroll[1]+(arrPageSizes[3]/10),
            left:arrPageScroll[0]
            }).show();
        $('#jquery-overlay,#jquery-lightbox').click(function(){
            _finish();
        });
        $('#lightbox-loading-link,#lightbox-secNav-btnClose').click(function(){
            _finish();
            return false;
        });
        $(window).resize(function(){
            var arrPageSizes=___getPageSize();
            $('#jquery-overlay').css({
                width:arrPageSizes[0],
                height:arrPageSizes[1]
                });
            var arrPageScroll=___getPageScroll();
            $('#jquery-lightbox').css({
                top:arrPageScroll[1]+(arrPageSizes[3]/10),
                left:arrPageScroll[0]
                });
        });
    }
    function _set_image_to_view(){
        $('#lightbox-loading').show();
        if(settings.fixedNavigation){
            $('#lightbox-image,#lightbox-container-image-data-box,#lightbox-image-details-currentNumber').hide();
        }else{
            $('#lightbox-image,#lightbox-nav,#lightbox-nav-btnPrev,#lightbox-nav-btnNext,#lightbox-container-image-data-box,#lightbox-image-details-currentNumber').hide();
        }
        var objImagePreloader=new Image();
        objImagePreloader.onload=function(){
            $('#lightbox-image').attr('src',settings.imageArray[settings.activeImage][0]);
            _resize_container_image_box(objImagePreloader.width,objImagePreloader.height);
            objImagePreloader.onload=function(){};

    };

    objImagePreloader.src=settings.imageArray[settings.activeImage][0];
};

function _resize_container_image_box(intImageWidth,intImageHeight){
    var intCurrentWidth=$('#lightbox-container-image-box').width();
    var intCurrentHeight=$('#lightbox-container-image-box').height();
    var intWidth=(intImageWidth+(settings.containerBorderSize*2));
    var intHeight=(intImageHeight+(settings.containerBorderSize*2));
    var intDiffW=intCurrentWidth-intWidth;
    var intDiffH=intCurrentHeight-intHeight;
    $('#lightbox-container-image-box').animate({
        width:intWidth,
        height:intHeight
    },settings.containerResizeSpeed,function(){
        _show_image();
    });
    if((intDiffW==0)&&(intDiffH==0)){
        if($.browser.msie){
            ___pause(250);
        }else{
            ___pause(100);
        }
    }
$('#lightbox-container-image-data-box').css({
    width:intImageWidth
});
$('#lightbox-nav-btnPrev,#lightbox-nav-btnNext').css({
    height:intImageHeight+(settings.containerBorderSize*2)
    });
};

function _show_image(){
    $('#lightbox-loading').hide();
    $('#lightbox-image').fadeIn(function(){
        _show_image_data();
        _set_navigation();
    });
    _preload_neighbor_images();
};

function _show_image_data(){
    $('#lightbox-container-image-data-box').slideDown('fast');
    $('#lightbox-image-details-caption').hide();
    if(settings.imageArray[settings.activeImage][1]){
        $('#lightbox-image-details-caption').html(settings.imageArray[settings.activeImage][1]).show();
    }
    if(settings.imageArray.length>1){
        $('#lightbox-image-details-currentNumber').html(settings.txtImage+' '+(settings.activeImage+1)+' '+settings.txtOf+' '+settings.imageArray.length).show();
    }
}
function _set_navigation(){
    $('#lightbox-nav').show();
    $('#lightbox-nav-btnPrev,#lightbox-nav-btnNext').css({
        'background':'transparent url('+settings.imageBlank+') no-repeat'
        });
    if(settings.activeImage!=0){
        if(settings.fixedNavigation){
            $('#lightbox-nav-btnPrev').css({
                'background':'url('+settings.imageBtnPrev+') left 15% no-repeat'
                }).unbind().bind('click',function(){
                settings.activeImage=settings.activeImage-1;
                _set_image_to_view();
                return false;
            });
        }else{
            $('#lightbox-nav-btnPrev').unbind().hover(function(){
                $(this).css({
                    'background':'url('+settings.imageBtnPrev+') left 15% no-repeat'
                    });
            },function(){
                $(this).css({
                    'background':'transparent url('+settings.imageBlank+') no-repeat'
                    });
            }).show().bind('click',function(){
                settings.activeImage=settings.activeImage-1;
                _set_image_to_view();
                return false;
            });
        }
    }
if(settings.activeImage!=(settings.imageArray.length-1)){
    if(settings.fixedNavigation){
        $('#lightbox-nav-btnNext').css({
            'background':'url('+settings.imageBtnNext+') right 15% no-repeat'
            }).unbind().bind('click',function(){
            settings.activeImage=settings.activeImage+1;
            _set_image_to_view();
            return false;
        });
    }else{
        $('#lightbox-nav-btnNext').unbind().hover(function(){
            $(this).css({
                'background':'url('+settings.imageBtnNext+') right 15% no-repeat'
                });
        },function(){
            $(this).css({
                'background':'transparent url('+settings.imageBlank+') no-repeat'
                });
        }).show().bind('click',function(){
            settings.activeImage=settings.activeImage+1;
            _set_image_to_view();
            return false;
        });
    }
}
_enable_keyboard_navigation();
}
function _enable_keyboard_navigation(){
    $(document).keydown(function(objEvent){
        _keyboard_action(objEvent);
    });
}
function _disable_keyboard_navigation(){
    $(document).unbind();
}
function _keyboard_action(objEvent){
    if(objEvent==null){
        keycode=event.keyCode;
        escapeKey=27;
    }else{
        keycode=objEvent.keyCode;
        escapeKey=objEvent.DOM_VK_ESCAPE;
    }
    key=String.fromCharCode(keycode).toLowerCase();
    if((key==settings.keyToClose)||(key=='x')||(keycode==escapeKey)){
        _finish();
    }
    if((key==settings.keyToPrev)||(keycode==37)){
        if(settings.activeImage!=0){
            settings.activeImage=settings.activeImage-1;
            _set_image_to_view();
            _disable_keyboard_navigation();
        }
    }
if((key==settings.keyToNext)||(keycode==39)){
    if(settings.activeImage!=(settings.imageArray.length-1)){
        settings.activeImage=settings.activeImage+1;
        _set_image_to_view();
        _disable_keyboard_navigation();
    }
}
}
function _preload_neighbor_images(){
    if((settings.imageArray.length-1)>settings.activeImage){
        objNext=new Image();
        objNext.src=settings.imageArray[settings.activeImage+1][0];
    }
    if(settings.activeImage>0){
        objPrev=new Image();
        objPrev.src=settings.imageArray[settings.activeImage-1][0];
    }
}
function _finish(){
    $('#jquery-lightbox').remove();
    $('#jquery-overlay').fadeOut(function(){
        $('#jquery-overlay').remove();
    });
    $('embed, object, select').css({
        'visibility':'visible'
    });
}
function ___getPageSize(){
    var xScroll,yScroll;
    if(window.innerHeight&&window.scrollMaxY){
        xScroll=window.innerWidth+window.scrollMaxX;
        yScroll=window.innerHeight+window.scrollMaxY;
    }else if(document.body.scrollHeight>document.body.offsetHeight){
        xScroll=document.body.scrollWidth;
        yScroll=document.body.scrollHeight;
    }else{
        xScroll=document.body.offsetWidth;
        yScroll=document.body.offsetHeight;
    }
    var windowWidth,windowHeight;
    if(self.innerHeight){
        if(document.documentElement.clientWidth){
            windowWidth=document.documentElement.clientWidth;
        }else{
            windowWidth=self.innerWidth;
        }
        windowHeight=self.innerHeight;
    }else if(document.documentElement&&document.documentElement.clientHeight){
        windowWidth=document.documentElement.clientWidth;
        windowHeight=document.documentElement.clientHeight;
    }else if(document.body){
        windowWidth=document.body.clientWidth;
        windowHeight=document.body.clientHeight;
    }
    if(yScroll<windowHeight){
        pageHeight=windowHeight;
    }else{
        pageHeight=yScroll;
    }
    if(xScroll<windowWidth){
        pageWidth=xScroll;
    }else{
        pageWidth=windowWidth;
    }
    arrayPageSize=new Array(pageWidth,pageHeight,windowWidth,windowHeight);
    return arrayPageSize;
};

function ___getPageScroll(){
    var xScroll,yScroll;
    if(self.pageYOffset){
        yScroll=self.pageYOffset;
        xScroll=self.pageXOffset;
    }else if(document.documentElement&&document.documentElement.scrollTop){
        yScroll=document.documentElement.scrollTop;
        xScroll=document.documentElement.scrollLeft;
    }else if(document.body){
        yScroll=document.body.scrollTop;
        xScroll=document.body.scrollLeft;
    }
    arrayPageScroll=new Array(xScroll,yScroll);
    return arrayPageScroll;
};

function ___pause(ms){
    var date=new Date();
    curDate=null;
    do{
        var curDate=new Date();
    }
    while(curDate-date<ms);
};

return this.unbind('click').click(_initialize);
};

})(jQuery);