(function($) {
  jQuery.facebox = function(data, klass) {
    jQuery.facebox.loading()
    
    if (data.ajax) {
    	jQuery.facebox.settings.datatype = 'ajax';
    	fillFaceboxFromAjax(data.ajax);
    }
    else if (data.image) { 
    	jQuery.facebox.settings.datatype = 'image';
    	fillFaceboxFromImage(data.image); 
    }
    else if (data.div) { 
    	jQuery.facebox.settings.datatype = 'div';
    	fillFaceboxFromHref(data.div); 
    }
    else if (jQuery.isFunction(data)) { 
    	jQuery.facebox.settings.datatype = 'function';
    	data.call($);
    }
    else  { 
    	jQuery.facebox.settings.datatype = 'general';
    	jQuery.facebox.reveal(data, klass); 
    }

  }

  /*
   * Public, jQuery.facebox methods
   */

  jQuery.extend(jQuery.facebox, {
    settings: {
      opacity      : 0,
      hitcounter   : 0,
      datatype	   : '',
      overlay      : true,
      loadingImage : '/js/css/jquery/images/loading.gif',
      closeImage   : '/js/css/jquery/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="/js/css/jquery/images/closelabel.gif" title="close" class="close_image" /> \
                  </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 (jQuery('#facebox .loading').length == 1) return true
      showOverlay()

      jQuery('#facebox .content').empty()
      jQuery('#facebox .body').children().hide().end().
        append('<div class="loading"><img src="'+jQuery.facebox.settings.loadingImage+'"/></div>')

      jQuery('#facebox').css({
        top:	getPageScroll()[1] + (getPageHeight() / 10),
        left:	385.5
      }).show()

      jQuery(document).bind('keydown.facebox', function(e) {
        if (e.keyCode == 27) jQuery.facebox.close()
        return true
      })
      jQuery(document).trigger('loading.facebox')
    },

    reveal: function(data, klass) {
      if(jQuery.facebox.settings.datatype != 'image' || jQuery.facebox.settings.hitcounter == 0) {
    	  jQuery(document).trigger('beforeReveal.facebox')
	      if (klass) jQuery('#facebox .content').addClass(klass)
	      jQuery('#facebox .content').append(data)
	      jQuery('#facebox .loading').remove()
	      jQuery('#facebox .body').children().fadeIn('normal')
	      jQuery('#facebox').css('left', jQuery(window).width() / 2 - (jQuery('#facebox table').width() / 2))
	      jQuery('#facebox').css('width','600')
	      jQuery(document).trigger('reveal.facebox').trigger('afterReveal.facebox')
	      jQuery.facebox.settings.hitcounter++;
      }
    },

    close: function() {
      jQuery(document).trigger('close.facebox')
      return false
    }
  })

  /*
   * Public, jQuery.fn methods
   */

  jQuery.fn.facebox = function(settings) {
    init(settings)

    function clickHandler() {
      jQuery.facebox.settings.hitcounter = 0;
      jQuery.facebox.loading(true)

      // support for rel="facebox.inline_popup" syntax, to add a class
      // also supports deprecated "facebox[.inline_popup]" syntax
      var klass = this.rel.match(/facebox\[?\.(\w+)\]?/)
      if (klass) klass = klass[1]

      fillFaceboxFromHref(this.href, klass)
      return false
    }

    return this.click(clickHandler)
  }

  /*
   * Private methods
   */

  // called one time to setup facebox on this page
  function init(settings) {
    if (jQuery.facebox.settings.inited) return true
    else jQuery.facebox.settings.inited = true

    jQuery(document).trigger('init.facebox')
    makeCompatible()

    var imageTypes = jQuery.facebox.settings.imageTypes.join('|')
    jQuery.facebox.settings.imageTypesRegexp = new RegExp('\.' + imageTypes + '$', 'i')
    jQuery.facebox.settings.imageTypesPhpRegexp = new RegExp('get_image.php', 'i')

    if (settings) jQuery.extend(jQuery.facebox.settings, settings)
    jQuery('body').append(jQuery.facebox.settings.faceboxHtml)

    var preload = [ new Image(), new Image() ]
    preload[0].src = jQuery.facebox.settings.closeImage
    preload[1].src = jQuery.facebox.settings.loadingImage

    jQuery('#facebox').find('.b:first, .bl, .br, .tl, .tr').each(function() {
      preload.push(new Image())
      preload.slice(-1).src = jQuery(this).css('background-image').replace(/url\((.+)\)/, '$1')
    })

    jQuery('#facebox .close').click(jQuery.facebox.close)
    jQuery('#facebox .close_image').attr('src', jQuery.facebox.settings.closeImage)
  }
  
  // getPageScroll() by quirksmode.com
  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) 
  }

  // Adapted from getPageSize() by quirksmode.com
  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
  }

  // Backwards compatibility
  function makeCompatible() {
    var $s = jQuery.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
  }

  // Figures out what you want to display and displays it
  // formats are:
  //     div: #id
  //   image: blah.extension
  //    ajax: anything else
  function fillFaceboxFromHref(href, klass) {
    // div
    if (href.match(/#/)) {
      jQuery.facebox.settings.datatype = 'div';
      var url    = window.location.href.split('#')[0]
      var target = href.replace(url,'')
      jQuery.facebox.reveal(jQuery(target).clone().show(), klass)

    // image
    } else if (href.match(jQuery.facebox.settings.imageTypesRegexp) || href.match(jQuery.facebox.settings.imageTypesPhpRegexp)) {
    	jQuery.facebox.settings.datatype = 'image';
    	fillFaceboxFromImage(href, klass)
    // ajax
    } else {
      jQuery.facebox.settings.datatype = 'ajax';
      fillFaceboxFromAjax(href, klass)
    }
  }

  function fillFaceboxFromImage(href, klass) {
	var image = new Image()
    image.onload = function() {
		jQuery.facebox.reveal('<div class="image"><img src="' + image.src + '" /></div>', klass);
    }
    image.src = href
  }

  function fillFaceboxFromAjax(href, klass) {
    jQuery.get(href, function(data) { jQuery.facebox.reveal(data, klass) })
  }

  function skipOverlay() {
    return jQuery.facebox.settings.overlay == false || jQuery.facebox.settings.opacity === null 
  }

  function showOverlay() {
    if (skipOverlay()) return

    if (jQuery('facebox_overlay').length == 0) 
      jQuery("body").append('<div id="facebox_overlay" class="facebox_hide"></div>')

    jQuery('#facebox_overlay').hide().addClass("facebox_overlayBG")
      .css('opacity', jQuery.facebox.settings.opacity)
      .click(function() { jQuery(document).trigger('close.facebox') })
      .fadeIn(200)
    return false
  }

  function hideOverlay() {
    if (skipOverlay()) return

    jQuery('#facebox_overlay').fadeOut(200, function(){
      jQuery("#facebox_overlay").removeClass("facebox_overlayBG")
      jQuery("#facebox_overlay").addClass("facebox_hide") 
      jQuery("#facebox_overlay").remove()
    })
    
    return false
  }

  /*
   * Bindings
   */

  jQuery(document).bind('close.facebox', function() {
    jQuery(document).unbind('keydown.facebox')
    jQuery('#facebox').fadeOut(function() {
      jQuery('#facebox .content').removeClass().addClass('content')
      hideOverlay()
      jQuery('#facebox .loading').remove()
    })
  })

})(jQuery);