(function($){
var $$;
$$ = $.fn.galleria = function($options) {
if (!$$.hasCSS()) { return false; }
$.historyInit($$.onPageLoad);
var $defaults = {
insert : '.galleria_container',
history : true,
clickNext : true,
onImage : function(image,caption,thumb) {},
onThumb : function(thumb) {}
};
var $opts = $.extend($defaults, $options);
for (var i in $opts) {
if (i) {
$.galleria[i]  = $opts[i];
}
}
var _insert = ( $($opts.insert).is($opts.insert) ) ? 
$($opts.insert) : 
jQuery(document.createElement('div')).insertBefore(this);
var _div = $(document.createElement('div')).addClass('galleria_wrapper');
var _span = $(document.createElement('span')).addClass('caption');
_insert.addClass('galleria_container').append(_div).append(_span);
return this.each(function(){
$(this).addClass('galleria');
$(this).children('li').each(function(i) {
var _container = $(this);
var _o = $.meta ? $.extend({}, $opts, _container.data()) : $opts;
// remove the clickNext if image is only child
_o.clickNext = $(this).is(':only-child') ? false : _o.clickNext;
var _a = $(this).find('a').is('a') ? $(this).find('a') : false;
var _img = $(this).children('img').css('display','none');
var _src = _a ? _a.attr('href') : _img.attr('src');
var _title = _a ? _a.attr('title') : _img.attr('title');
var _loader = new Image();
if (_o.history && (window.location.hash && window.location.hash.replace(/\#/,'') == _src)) {
_container.siblings('.active').removeClass('active');
_container.addClass('active');
}
$(_loader).load(function () {
$(this).attr('alt',_img.attr('alt'));
var _thumb = _a ? 
_a.find('img').addClass('thumb noscale').css('display','none') :
_img.clone(true).addClass('thumb').css('display','none');
if (_a) { _a.replaceWith(_thumb); }
if (!_thumb.hasClass('noscale')) {
var w = Math.ceil( _img.width() / _img.height() * _container.height() );
var h = Math.ceil( _img.height() / _img.width() * _container.width() );
if (w < h) {
_thumb.css({ height: 'auto', width: _container.width(), marginTop: -(h-_container.height())/2 });
} else {
_thumb.css({ width: 'auto', height: _container.height(), marginLeft: -(w-_container.width())/2 });
}
} else {
window.setTimeout(function() {
_thumb.css({
marginLeft: -( _thumb.width() - _container.width() )/2, 
marginTop:  -( _thumb.height() - _container.height() )/2
});
}, 1);
}
_thumb.attr('rel',_src);
_thumb.attr('title',_title);
_thumb.click(function() {
$.galleria.activate(_src);
});
_thumb.hover(
function() { $(this).addClass('hover'); },
function() { $(this).removeClass('hover'); }
);
_container.hover(
function() { _container.addClass('hover'); },
function() { _container.removeClass('hover'); }
);
_container.prepend(_thumb);
_thumb.css('display','block');
_o.onThumb(jQuery(_thumb));
if (_container.hasClass('active')) {
$.galleria.activate(_src);
}
_img.remove();
}).error(function () {
 _container.html('<span class="error" style="color:red">Error loading image: '+_src+'</span>');
}).attr('src', _src);
});
});
};
$$.nextSelector = function(selector) {
return $(selector).is(':last-child') ?
$(selector).siblings(':first-child') :
$(selector).next();
};
$$.previousSelector = function(selector) {
return $(selector).is(':first-child') ?
$(selector).siblings(':last-child') :
$(selector).prev();
};
$$.hasCSS = function()  {
$('body').append(
$(document.createElement('div')).attr('id','css_test').css({ width:'1px', height:'1px', display:'none' })
);
var _v = ($('#css_test').width() != 1) ? false : true;
$('#css_test').remove();
return _v;
};
$$.onPageLoad = function(_src) {	
var _wrapper = $('.galleria_wrapper');
var _thumb = $('.galleria img[rel="'+_src+'"]');
if (_src) {
if ($.galleria.history) {
window.location = window.location.href.replace(/\#.*/,'') + '#' + _src;
}
_thumb.parents('li').siblings('.active').removeClass('active');
_thumb.parents('li').addClass('active');
var _img   = $(new Image()).attr('src',_src).addClass('replaced');
_wrapper.empty().append(_img);
_wrapper.siblings('.caption').text(_thumb.attr('title'));
$.galleria.onImage(_img,_wrapper.siblings('.caption'),_thumb);
if($.galleria.clickNext) {
_img.css('cursor','pointer').click(function() { $.galleria.next(); });
}

} else {
_wrapper.siblings().andSelf().empty();
$('.galleria li.active').removeClass('active');
}
$.galleria.current = _src;

};

$.extend({galleria : {
current : '',
onImage : function(){},
activate : function(_src) { 
if ($.galleria.history) {
$.historyLoad(_src);
} else {
$$.onPageLoad(_src);
}
},
next : function() {
var _next = $($$.nextSelector($('.galleria img[rel="'+$.galleria.current+'"]').parents('li'))).find('img').attr('rel');
$.galleria.activate(_next);
},
prev : function() {
var _prev = $($$.previousSelector($('.galleria img[rel="'+$.galleria.current+'"]').parents('li'))).find('img').attr('rel');
$.galleria.activate(_prev);
}
}
});

})(jQuery);

jQuery.extend({
historyCurrentHash: undefined,
historyCallback: undefined,
historyInit: function(callback){
jQuery.historyCallback = callback;
var current_hash = location.hash;
jQuery.historyCurrentHash = current_hash;
if(jQuery.browser.msie) {
if (jQuery.historyCurrentHash === '') {
jQuery.historyCurrentHash = '#';
}
$("body").prepend('<iframe id="jQuery_history" style="display: none;"></iframe>');
var ihistory = $("#jQuery_history")[0];
var iframe = ihistory.contentWindow.document;
iframe.open();
iframe.close();
iframe.location.hash = current_hash;
}
else if ($.browser.safari) {
jQuery.historyBackStack = [];
jQuery.historyBackStack.length = history.length;
jQuery.historyForwardStack = [];
jQuery.isFirst = true;
}
jQuery.historyCallback(current_hash.replace(/^#/, ''));
setInterval(jQuery.historyCheck, 100);
},
historyAddHistory: function(hash) {
jQuery.historyBackStack.push(hash);
jQuery.historyForwardStack.length = 0;
this.isFirst = true;
},
historyCheck: function(){
if(jQuery.browser.msie) {
var ihistory = $("#jQuery_history")[0];
var iframe = ihistory.contentDocument || ihistory.contentWindow.document;
var current_hash = iframe.location.hash;
if(current_hash != jQuery.historyCurrentHash) {
location.hash = current_hash;
jQuery.historyCurrentHash = current_hash;
jQuery.historyCallback(current_hash.replace(/^#/, ''));
}
} else if ($.browser.safari) {
if (!jQuery.dontCheck) {
var historyDelta = history.length - jQuery.historyBackStack.length;
if (historyDelta) {
jQuery.isFirst = false;
var i;
if (historyDelta < 0) {
for (i = 0; i < Math.abs(historyDelta); i++) {
jQuery.historyForwardStack.unshift(jQuery.historyBackStack.pop());
}
} else {
for (i = 0; i < historyDelta; i++) {
jQuery.historyBackStack.push(jQuery.historyForwardStack.shift());
}
}
var cachedHash = jQuery.historyBackStack[jQuery.historyBackStack.length - 1];
if (cachedHash !== undefined) {
jQuery.historyCurrentHash = location.hash;
jQuery.historyCallback(cachedHash);
}
} else if (jQuery.historyBackStack[jQuery.historyBackStack.length - 1] === undefined && !jQuery.isFirst) {
if (document.URL.indexOf('#') >= 0) {
jQuery.historyCallback(document.URL.split('#')[1]);
} else {
current_hash = location.hash;
jQuery.historyCallback('');
}
jQuery.isFirst = true;
}
}
} else {
current_hash = location.hash;
if(current_hash != jQuery.historyCurrentHash) {
jQuery.historyCurrentHash = current_hash;
jQuery.historyCallback(current_hash.replace(/^#/, ''));
}
}
},
historyLoad: function(hash){
var newhash;
if (jQuery.browser.safari) {
newhash = hash;
}
else {
newhash = '#' + hash;
location.hash = newhash;
}
jQuery.historyCurrentHash = newhash;
if(jQuery.browser.msie) {
var ihistory = $("#jQuery_history")[0];
var iframe = ihistory.contentWindow.document;
iframe.open();
iframe.close();
iframe.location.hash = newhash;
jQuery.historyCallback(hash);
}
else if (jQuery.browser.safari) {
jQuery.dontCheck = true;
this.historyAddHistory(hash);
var fn = function() {jQuery.dontCheck = false;};
window.setTimeout(fn, 200);
jQuery.historyCallback(hash);
location.hash = newhash;
}
else {
jQuery.historyCallback(hash);
}
}
});