$(document).ready(function()
{	
	$('#map area').click(function(event)
	{
		event.preventDefault();		
		lightbox_open($(this));
	});
	
	$('#lightbox ul li a').click(function(event) 
	{
		event.preventDefault();
		lightbox_open($(this));
	});
	
	$('#lightbox ul li.close a').click(function(event) 
	{
		event.preventDefault();
		lightbox_close();
	});
});

function lightbox_open(link) {
	href = link.attr('href');
	image = href.substr(href.lastIndexOf('=')+1,(href.length));
	_lightbox_interface();
	// show new tab
	$('#lightbox div').filter('.active').removeClass('active');
	$('#image-' + image).addClass('active');
	$('#image-' + image).parent().addClass('active');
	// update sub nav
	$('#lightbox li').filter('.active').removeClass('active');
	$('#lightbox div.active a[rel="' + image + '"]').parent().addClass('active');	
}

function lightbox_close() {
	$('#lightbox div').filter('.active').removeClass('active');	
	$('#lightbox-overlay').fadeOut(function() { $('#lightbox-overlay').css({display:'none'}) });
}

function _lightbox_interface() {
	var arrPageSizes = ___getPageSize();
	// Style overlay and show it
	$('#lightbox-overlay').css({									   
		backgroundColor:	'#000',
		opacity:			0.8,
		width:				arrPageSizes[0],
		height:				arrPageSizes[1],
		top: 				0,				
		left: 				0				
	}).fadeIn();
	// Get page scroll
	var arrPageScroll = ___getPageScroll();
	// Calculate top and left offset for the jquery-lightbox div object and show it
	$('#lightbox').children().css({
			top:	arrPageScroll[1] + (arrPageSizes[3]/ 10),
			left:	arrPageScroll[0] + ((arrPageSizes[2]-541) / 2)
	}).show();
	// If window was resized, calculate the new overlay dimensions
	$(window).resize(function() {
		// Get page sizes
		var arrPageSizes = ___getPageSize();
		// Style overlay and show it
		$('#lightbox-overlay').css({
			width:		arrPageSizes[0],
			height:		arrPageSizes[1]
		});
		// Get page scroll
		var arrPageScroll = ___getPageScroll();
		// Calculate top and left offset for the jquery-lightbox div object and show it
		$('#lightbox').children().css({
			top:	arrPageScroll[1] + (arrPageSizes[3]/ 10),
			left:	arrPageScroll[0] + ((arrPageSizes[2]-541) / 2)
		});
	});
}
/**
 / THIRD FUNCTION
 * getPageSize() by quirksmode.com
 *
 * @return Array Return an array with page width, height and window width, height
 */
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){ // all but Explorer Mac
		xScroll = document.body.scrollWidth;
		yScroll = document.body.scrollHeight;
	} else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
		xScroll = document.body.offsetWidth;
		yScroll = document.body.offsetHeight;
	}
	var windowWidth, windowHeight;
	if (self.innerHeight) {	// all except Explorer
		if(document.documentElement.clientWidth){
			windowWidth = document.documentElement.clientWidth; 
		} else {
			windowWidth = self.innerWidth;
		}
		windowHeight = self.innerHeight;
	} else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
		windowWidth = document.documentElement.clientWidth;
		windowHeight = document.documentElement.clientHeight;
	} else if (document.body) { // other Explorers
		windowWidth = document.body.clientWidth;
		windowHeight = document.body.clientHeight;
	}	
	// for small pages with total height less then height of the viewport
	if(yScroll < windowHeight){
		pageHeight = windowHeight;
	} else { 
		pageHeight = yScroll;
	}
	// for small pages with total width less then width of the viewport
	if(xScroll < windowWidth){	
		pageWidth = xScroll;		
	} else {
		pageWidth = windowWidth;
	}
	arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight);
	return arrayPageSize;
};
 /**
 / THIRD FUNCTION
 * getPageScroll() by quirksmode.com
 *
 * @return Array Return an array with x,y page scroll values.
 */
function ___getPageScroll() {
	var xScroll, yScroll;
	if (self.pageYOffset) {
		yScroll = self.pageYOffset;
		xScroll = self.pageXOffset;
	} else if (document.documentElement && document.documentElement.scrollTop) {	 // Explorer 6 Strict
		yScroll = document.documentElement.scrollTop;
		xScroll = document.documentElement.scrollLeft;
	} else if (document.body) {// all other Explorers
		yScroll = document.body.scrollTop;
		xScroll = document.body.scrollLeft;	
	}
	arrayPageScroll = new Array(xScroll,yScroll);
	return arrayPageScroll;
};