(function($) {

$.fn.lightBox = function(settings) {

settings = jQuery.extend({

overlayBgColor: '#000', 
overlayOpacity: 0.8, 

fixedNavigation: false, 

imageLoading: '../../resources/com.inductiveautomation.website.BasePage/images/misc/lightbox-ico-loading.gif', 
imageBtnPrev: '../../resources/com.inductiveautomation.website.BasePage/images/misc/lightbox-btn-prev.gif', 
imageBtnNext: '../../resources/com.inductiveautomation.website.BasePage/images/misc/lightbox-btn-next.gif', 
imageBtnClose: '../../resources/com.inductiveautomation.website.BasePage/images/misc/lightbox-btn-close.gif', 
imageBlank: '../../resources/com.inductiveautomation.website.BasePage/images/misc/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();

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);