/*
 * jQuery simpleLightbox v1.0.0 
 *
 * Copyright (c) 2008 Taranets Aleksey
 * www: markup-javascript.com
 * Licensed under the MIT License:
 * http://www.opensource.org/licenses/mit-license.php
 */

jQuery.fn.simpleLightbox = function(_options){
	// defaults options	
	var _options = jQuery.extend({
		lightboxContentBlock: '.lightbox',
		faderOpacity: .7,
		faderBackground: '#000000',
		closeLink:'a.close'
	},_options);

	return this.each(function(i, _this){
		var _this = jQuery(_this);
		_this.lightboxContentBlock = _options.lightboxContentBlock;
		_this.faderOpacity = _options.faderOpacity;
		_this.faderBackground = _options.faderBackground;
		_this.closeLink = _options.closeLink;
		var _fader;
		
		var _lightbox = $(_this.lightboxContentBlock);
		if (!jQuery('div.lightbox-fader').length)
			_fader = $('body').append('<div class="lightbox-fader"></div>');
		
		_fader = jQuery('div.lightbox-fader');
		_lightbox.css('zIndex',999);
		_fader.css({
			opacity:_this.faderOpacity,
			backgroundColor:_this.faderBackground,
			display:'none',
			position:'absolute',
			top:0,
			left:0,
			zIndex:998,
			textIndent: -9999
		}).text('$nbsp');
		
		_this.click(function(){
			_fader.fadeIn(300, function(){
				jQuery('.lightbox').fadeOut(400);
				_lightbox.fadeIn(400);
				jQuery.fn.simpleLightbox.positionLightbox(_lightbox);
			});
			return false;
		});
		jQuery(_this.closeLink).click(function(){
			_lightbox.fadeOut(400, function(){
				_fader.fadeOut(300);
			});
			return false;
		});
		
		jQuery.fn.simpleLightbox.positionLightbox = function (_lbox) {
			var _height = 0;
			var _width = 0;
			var _minWidth = $('body').outerWidth();
			if (window.innerHeight) {
				_height = window.innerHeight;
				_width = window.innerWidth;
			} else {
				_height = document.documentElement.clientHeight;
				_width = document.documentElement.clientWidth;
			}
			var _thisHeight = _lbox.outerHeight();
			var _page = $('body');
			if (_lbox.length) {
				if (_height > _page.innerHeight()) _fader.css('height',_height); else _fader.css('height',_page.innerHeight());
				if (_width < _minWidth) {_fader.css('width',_minWidth);} else {_fader.css('width','100%');}
				if (_height > _thisHeight) {
					if (!window.innerHeight) {
						_lbox.css({
							position:'absolute',
							top: (document.documentElement.scrollTop + (_height - _thisHeight) / 2)+"px"
						});
					} else {
						_lbox.css({
							position:'fixed',
							top: ((_height - _lbox.outerHeight()) / 2)+"px"
						});
					}
				}
				else {
					_lbox.css({
						position:'absolute',
						top: 0
					});
				}
				if (_width > _lbox.outerWidth()) _lbox.css({left:(_width - _lbox.outerWidth()) / 2 + "px"});
				else _lbox.css({position:'absolute',left: 0});
			}
		}
		
		jQuery(window).resize(function(){
			jQuery.fn.simpleLightbox.positionLightbox(_lightbox);
		});
		
		jQuery.fn.simpleLightbox.positionLightbox(_lightbox);
		
		$('body').click(function(e){
			var _close = true;
			if(!e) e = window.event;
			var _target = (e.target || e.srcElement);
			if (!$(_target).is('div.popup')) {
				var _parent = _target;
				for (var i=0; i<$(_target).parents().length; i++) {
					_parent = _parent.parentNode;
					if ($(_parent).is('div.popup')) {
						_close = false;
						break;
					}
				}
				if (_close) {
					_lightbox.fadeOut(400, function(){
						_fader.fadeOut(300);
					});
				}
			}
			
		});	
		
	});
}
$(document).ready(function(){
	$('a.feeds').simpleLightbox({
		lightboxContentBlock:'div.popup',
		closeLink:'a.cancel, a.or-cancel'
	});
});