/*
* Facebox (for jQuery)
* version: 1.2 (05/05/2008)
* @requires jQuery v1.2 or later
*
* Examples at http://famspam.com/facebox/
*
* Licensed under the MIT:
*   http://www.opensource.org/licenses/mit-license.php
*
* Copyright 2007, 2008 Chris Wanstrath [ chris@ozmm.org ]
*/
(function($) {
$.facebox = function(data, klass) {
$.facebox.loading()

if (data.ajax) fillFaceboxFromAjax(data.ajax, klass)
else if (data.image) fillFaceboxFromImage(data.image, klass)
else if (data.div) fillFaceboxFromHref(data.div, klass)
else if ($.isFunction(data)) data.call($)
else $.facebox.reveal(data, klass)
}
$.extend($.facebox, {
settings: {
opacity      : 0,
overlay      : true,
loadingImage : '/images/loading.gif',
closeImage   : '/images/closelabel.gif',
imageTypes   : [ 'png', 'jpg', 'jpeg', 'gif' ],
faceboxHtml  : '\
<div id="facebox" style="display:none;"> \
<div class="popup"> \
<table> \
<tbody> \
<tr> \
<td class="tl"/><td class="b"/><td class="tr"/> \
</tr> \
<tr> \
<td class="b"/> \
<td class="body"> \
<div class="content"> \
</div> \
<div class="footer"> \
<a href="#" class="close"> \
<img src="images/closelabel.gif" title="close" class="close_image" width="66" height="22" /> \
</a> \
</div> \
</td> \
<td class="b"/> \
</tr> \
<tr> \
<td class="bl"/><td class="b"/><td class="br"/> \
</tr> \
</tbody> \
</table> \
</div> \
</div>'
},
loading: function() {
init()
if ($('#facebox .loading').length == 1) return true
showOverlay()
$('#facebox .content').empty()
$('#facebox .body').children().hide().end().
append('<div class="loading"><img src="'+$.facebox.settings.loadingImage+'"/></div>')
$('#facebox').css({
top:	getPageScroll()[1] + (getPageHeight() / 10),
left:	$(window).width() / 2 - 205 
}).show()
$(document).bind('keydown.facebox', function(e) {
if (e.keyCode == 27) $.facebox.close()
return true
})
$(document).trigger('loading.facebox')
},
reveal: function(data, klass) {
$(document).trigger('beforeReveal.facebox')
if (klass) $('#facebox .content').addClass(klass)
$('#facebox .content').append(data)
$('#facebox .loading').remove()
$('#facebox .body').children().fadeIn('normal')
$('#facebox').css('left', $(window).width() / 2 - ($('#facebox table').width() / 2))
$(document).trigger('reveal.facebox').trigger('afterReveal.facebox')
},
close: function() {
$(document).trigger('close.facebox')
return false
}
})
$.fn.facebox = function(settings) {
init(settings)
function clickHandler() {
$.facebox.loading(true)
var klass = this.rel.match(/facebox\[?\.(\w+)\]?/)
if (klass) klass = klass[1]
fillFaceboxFromHref(this.href, klass)
return false
}
return this.bind('click.facebox', clickHandler)
}
function init(settings) {
if ($.facebox.settings.inited) return true
else $.facebox.settings.inited = true
$(document).trigger('init.facebox')
makeCompatible()
var imageTypes = $.facebox.settings.imageTypes.join('|')
$.facebox.settings.imageTypesRegexp = new RegExp('\.(' + imageTypes + ')$', 'i')
if (settings) $.extend($.facebox.settings, settings)
$('body').append($.facebox.settings.faceboxHtml)
var preload = [ new Image(), new Image() ]
preload[0].src = $.facebox.settings.closeImage
preload[1].src = $.facebox.settings.loadingImage
$('#facebox').find('.b:first, .bl, .br, .tl, .tr').each(function() {
preload.push(new Image())
preload.slice(-1).src = $(this).css('background-image').replace(/url\((.+)\)/, '$1')
})
$('#facebox .close').click($.facebox.close)
$('#facebox .close_image').attr('src', $.facebox.settings.closeImage)
}
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;	
}
return new Array(xScroll,yScroll) 
}
function getPageHeight() {
var windowHeight
if (self.innerHeight) {	// all except Explorer
windowHeight = self.innerHeight;
} else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
windowHeight = document.documentElement.clientHeight;
} else if (document.body) { // other Explorers
windowHeight = document.body.clientHeight;
}	
return windowHeight
}
function makeCompatible() {
var $s = $.facebox.settings
$s.loadingImage = $s.loading_image || $s.loadingImage
$s.closeImage = $s.close_image || $s.closeImage
$s.imageTypes = $s.image_types || $s.imageTypes
$s.faceboxHtml = $s.facebox_html || $s.faceboxHtml
}
function fillFaceboxFromHref(href, klass) {
if (href.match(/#/)) {
var url    = window.location.href.split('#')[0]
var target = href.replace(url,'')
$.facebox.reveal($(target).show().replaceWith("<div id='facebox_moved'></div>"), klass)
} else if (href.match($.facebox.settings.imageTypesRegexp)) {
fillFaceboxFromImage(href, klass)
} else {
fillFaceboxFromAjax(href, klass)
}
}
function fillFaceboxFromImage(href, klass) {
var image = new Image()
image.onload = function() {
$.facebox.reveal('<div class="image"><img src="' + image.src + '" /></div>', klass)
}
image.src = href
}
function fillFaceboxFromAjax(href, klass) {
$.get(href, function(data) { $.facebox.reveal(data, klass) })
}
function skipOverlay() {
return $.facebox.settings.overlay == false || $.facebox.settings.opacity === null 
}
function showOverlay() {
if (skipOverlay()) return
if ($('#facebox_overlay').length == 0) 
$("body").append('<div id="facebox_overlay" class="facebox_hide"></div>')
$('#facebox_overlay').hide().addClass("facebox_overlayBG")
.css('opacity', $.facebox.settings.opacity)
.click(function() { $(document).trigger('close.facebox') })
.fadeIn(200)
return false
}
function hideOverlay() {
if (skipOverlay()) return
$('#facebox_overlay').fadeOut(200, function(){
$("#facebox_overlay").removeClass("facebox_overlayBG")
$("#facebox_overlay").addClass("facebox_hide") 
$("#facebox_overlay").remove()
})
return false
}
$(document).bind('close.facebox', function() {
$(document).unbind('keydown.facebox')
$('#facebox').fadeOut(function() {
if ($('#facebox_moved').length == 0) $('#facebox .content').removeClass().addClass('content')
else $('#facebox_moved').replaceWith($('#facebox .content').children().hide())
hideOverlay()
$('#facebox .loading').remove()
})
})
})(jQuery);