/**

 * iBox 1.1 (Build 1576)

 * For more info & download: http://www.ibegin.com/labs/ibox/

 * Created as a part of the iBegin Labs Project - http://www.ibegin.com/labs/

 * For licensing please see readme.html (MIT Open Source License)

*/

var iBox = function() {

  var _pub = {

    // label for the close link

    close_label: 'Close',



    // show iframed content in the parent window

    // this *does not* work with #containers

    inherit_frames: false,



    // how fast to fade in the overlay/ibox (this is each step in ms)

    fade_in_speed: 300,

    fade_out_speed: 300,



    // our attribute identifier for our iBox elements

    attribute_name: 'rel',

    

    // tags to hide when we show our box

    tags_to_hide: ['select', 'embed', 'object'],



    // default width of the box (when displaying html only)

    // height is calculated automatically

    default_width: 450,



    // public version number

    version_number: '1.1',

    // internal build number

    build_number: '1576',



    // browser checks    

    is_opera: navigator.userAgent.indexOf('Opera/9') != -1,

    is_ie: navigator.userAgent.indexOf("MSIE ") != -1,

    is_ie6: false /*@cc_on || @_jscript_version < 5.7 @*/,

    is_firefox: navigator.appName == "Netscape" && navigator.userAgent.indexOf("Gecko") != -1 && navigator.userAgent.indexOf("Netscape") == -1,

    is_mac: navigator.userAgent.indexOf('Macintosh') != -1,



    // url for including images/external files

    base_url: '',

    

    /**

     * Updates the base_url variable.

     * @param {String} path Relative or absolute path to this file.

     */

    setPath: function(path) {

      _pub.base_url = path;

    },

    

    /**

     * Checks a container for specified tags containing rel="ibox"

     * @param {Object} container

     * @param {String} tag_name

     */

    checkTags: function(container, tag_name) {

      if (!container) var container = document.body;

      if (!tag_name) var tag_name = 'a';

      var els = container.getElementsByTagName(tag_name);

      for (var i=0; i<els.length; i++) {

        if (els[i].getAttribute(_pub.attribute_name)) {

          var t = els[i].getAttribute(_pub.attribute_name);

          if ((t.indexOf("ibox") != -1) || t.toLowerCase() == "ibox") { // check if this element is an iBox element

            els[i].onclick = _pub.handleTag;

          }

        }

      }

    },

    

    /**

     * Binds arguments to a callback function

     */

    bind: function(fn) {

        var args = [];

        for (var n=1; n<arguments.length; n++) args.push(arguments[n]);

        return function(e) { return fn.apply(this, [e].concat(args)); };

    },



    /**

     * Sets the content of the ibox

     * @param {String} content HTML content

     * @param {Object} params

     */

    html: function(content, params) {

      if (content === undefined) return els.content;

      if (params === undefined) var params = {};

      if (!active.is_loaded) return;

      _pub.clear();



      _pub.updateObject(els.wrapper.style, {display: 'block', visibility: 'hidden', left: 0, top: 0, height: '', width: ''});

      

      if (typeof(content) == 'string') els.content.innerHTML = content;

      else els.content.appendChild(content);



      var pagesize = _pub.getPageSize();



      if (params.can_resize === undefined) params.can_resize = true;

      if (params.fade_in === undefined) params.use_fade = true;



      if (params.fullscreen) {

        params.width = '100%';

        params.height = '100%';
       

      }

      

      // reset offsets

      offset.container = [els.wrapper.offsetLeft*2, els.wrapper.offsetTop*2];

      offset.wrapper = [els.wrapper.offsetWidth-els.content.offsetWidth, els.wrapper.offsetHeight-els.content.offsetHeight];



      // TODO: remove the +4 when issue is solved with calculations

      offset.wrapper[1] += 4;



      if (params.width) var width = params.width;

      else var width = _pub.default_width;



      if (params.height) var height = params.height;

      else {

        els.content.style.height = '100%';

        var height = els.content.offsetHeight + 12;

        els.content.style.height = '';

      }

      active.dimensions = [width, height];

      active.params = params;

      _pub.reposition();



      // XXX: Fix for inline containers which had elements that were hidden

      for (var i=0; i<_pub.tags_to_hide.length; i++) {

        showTags(_pub.tags_to_hide[i], els.content);

      }



      els.wrapper.style.visibility = 'visible';

    },

    

    /**

     * Empties the content of the iBox (also hides the loading indicator)

     */

    clear: function() {

      els.loading.style.display = "none";

      while (els.content.firstChild) els.content.removeChild(els.content.firstChild);

    },

    

    /**

     * Loads text into the ibox

     * @param {String} url

     * @param {String} title

     * @param {Object} params

     */

    show: function(text, title, params) {

      showInit(title, params, function() {

        _pub.html(text, active.params);

      });

    },

    /**

     * Loads a url into the ibox

     * @param {String} url

     * @param {String} title

     * @param {Object} params

     */

    showURL: function(url, title, params) {

      showInit(title, params, function() {

        for (var i=0; i<_pub.plugins.list.length; i++) {

          var plugin = _pub.plugins.list[i];

          if (plugin.match(url)) {

            active.plugin = plugin;

            plugin.render(url, active.params);

            break;

          }

        }

      });

    },



    /**

     * Hides the iBox

     */

    hide: function() {

      if (active.plugin) {

        // call the plugins unload method

        if (active.plugin.unload) active.plugin.unload();

      }

      active = {}

      _pub.clear();

      // restore elements that were hidden

      for (var i=0; i<_pub.tags_to_hide.length; i++) showTags(_pub.tags_to_hide[i]);



      els.loading.style.display = 'none';

      els.wrapper.style.display = 'none';

      _pub.fade(els.overlay, _pub.getOpacity(null, els.overlay), 0, _pub.fade_out_speed, function() { els.overlay.style.display = 'none';});

      _pub.fireEvent('hide');

    },



    /**

     * Repositions the iBox wrapper based on the params set originally.

     */

    reposition: function() {

      if (!active.is_loaded) return;



      // center loading box

      if (els.loading.style.display != 'none') _pub.center(els.loading);

      

      // update ibox width/height/position

      if (active.dimensions) {

        var pagesize = _pub.getPageSize();



        var width = active.dimensions[0];

        var height = active.dimensions[1];

        

        if (height.toString().indexOf('%') != -1) {

          els.wrapper.style.height = (Math.max(document.documentElement.clientHeight, document.body.clientHeight, pagesize.height) - offset.container[0])*(parseInt(height)/100) + 'px';

        }

        else if (height) {

          els.content.style.height = height + 'px';

          // TODO: if we dont set wrapper height, it doesnt restrict the height and the box is fine

          // so offset.wrapper[1] must not be correct

          els.wrapper.style.height = els.content.offsetHeight + offset.wrapper[1] + 'px';

        }

        else {

          els.wrapper.style.height = els.content.offsetHeight + offset.wrapper[1] + 'px';

        }

        var container_offset = (els.content.offsetHeight - els.content.firstChild.offsetHeight);

        if (width.toString().indexOf('%') != -1) {

          els.wrapper.style.width = (Math.max(document.documentElement.clientWidth, document.body.clientWidth, pagesize.width) - offset.container[1])*(parseInt(width)/100) + 'px';

          var container_offset = 0;

        }

        else {

          els.content.style.width = width + 'px';

          els.wrapper.style.width = els.content.offsetWidth + offset.wrapper[0] + 'px';

        }



        _pub.updateObject(els.content.style, {width: '', height: ''});



        var width = parseInt(els.wrapper.style.width);

        var height = parseInt(els.wrapper.style.height);



        // if we can resize this, make sure it fits in our page bounds

        if (active.params.can_resize) {

          var x = pagesize.width;

          var y = pagesize.height;

          

          x -= offset.container[0];

          y -= offset.container[1];

          if (width > x) {

            if (active.params.constrain) height = height * (x/width);

            width = x;

          }

          if (height > y) {

            if (active.params.constrain) width = width * (y/height);

            height = y;

          }

          _pub.updateObject(els.wrapper.style, {width: width + 'px', height: height + 'px'});

        }



        //els.content.style.width = width - offset.wrapper[0] + 'px';

        // TODO: this isn't adjusting to the right height for containers that are smaller than the page height

        // resize the wrappers height based on the content boxes height

        // this needs to be height - ibox_content[margin+padding+border]

        els.content.style.height = height - offset.wrapper[1] + 'px';

        if (active.dimensions != ['100%', '100%']) _pub.center(els.wrapper);

      }

      

      // fix overlay width/height (cant use css fixed on ie6 or fx or any

      // browser really due to issues)

      els.overlay.style.height = Math.max(document.body.clientHeight, document.documentElement.clientHeight) + 'px';

    },



    updateObject: function(obj, params) {

      for (var i in params) obj[i] = params[i];

    },



    /**

     * Centers an object

     * @param {Object} obj

     */

    center: function(obj) {

      var pageSize = _pub.getPageSize();

      var scrollPos = _pub.getScrollPos();

      var emSize = _pub.getElementSize(obj);

      var x = Math.round((pageSize.width - emSize.width) / 2 + scrollPos.scrollX);

      var y = Math.round((pageSize.height - emSize.height) / 2 + scrollPos.scrollY);

      if (obj.offsetLeft) x -= obj.offsetLeft;

      if (obj.offsetTop) y -= obj.offsetTop;

      if (obj.style.left) x += parseInt(obj.style.left);

      if (obj.style.top) y += parseInt(obj.style.top);

      // this nearly centers it due to scrollbars

      x -= 10;

      _pub.updateObject(obj.style, {top: y + 'px', left: x + 'px'});

    },

    

    getStyle: function(obj, styleProp) {

      if (obj.currentStyle)

        return obj.currentStyle[styleProp];

      else if (window.getComputedStyle)

        return document.defaultView.getComputedStyle(obj,null).getPropertyValue(styleProp);

    },



    /**

     * Gets the scroll positions

     */

    getScrollPos: function() {

      var docElem = document.documentElement;

      return {

        scrollX: document.body.scrollLeft || window.pageXOffset || (docElem && docElem.scrollLeft),

        scrollY: document.body.scrollTop || window.pageYOffset || (docElem && docElem.scrollTop)

      };

    },



    /**

     * Gets the page constraints

     */

    getPageSize: function() {

      return {

        width: window.innerWidth || (document.documentElement && document.documentElement.clientWidth) || document.body.clientWidth,

        height: window.innerHeight || (document.documentElement && document.documentElement.clientHeight) || document.body.clientHeight

      };

    },



    /**

     * Gets an objects offsets

     * @param {Object} obj

     */

    getElementSize: function(obj) {

      return {

        width: obj.offsetWidth || obj.style.pixelWidth,

        height: obj.offsetHeight || obj.style.pixelHeight

      };

    },

    

    fade: function(obj, start, end, speed, callback) {

      if (start === undefined || !(start >= 0) || !(start <= 100)) var start = 0;

      if (end === undefined || !(end >= 0) || !(end <= 100)) var end = 100;

      if (speed === undefined) var speed = 0;



      if (obj.fader) clearInterval(obj.fader);



      if (!speed) {

        _pub.setOpacity(null, obj, end);

        if (callback) callback();

      }

      

      var opacity_difference = end - start; 

      var time_total = speed; // time is speed (jQuery compat)

      var step_size = 25; // step size in ms

      var steps = time_total / step_size; // total number of steps

      var increment = Math.ceil(opacity_difference / steps); // how much to incr per step

      

      obj.fader = setInterval(_pub.bind(function(e, obj, increment, end, callback) {

        var opacity = _pub.getOpacity(e, obj) + increment;

        _pub.setOpacity(e, obj, opacity);

        if ((increment < 0 && opacity <= end) || (increment > 0 && opacity >= end)) {

          _pub.setOpacity(e, obj, end);

          clearInterval(obj.fader);

          if (callback) callback();

        }

      }, obj, increment, end, callback), step_size);

    },



    /**

     * Sets the opacity of an element

     * @param {Object} obj

     * @param {Integer} value

     */

    setOpacity: function(e, obj, value) {

      value = Math.round(value);

      obj.style.opacity = value/100;

      obj.style.filter = 'alpha(opacity=' + value + ')';

    },

    

    /**

     * Gets the opacity of an element

     * @param {Object} obj

     * @return {Integer} value

     */

    getOpacity: function(e, obj) {

      return _pub.getStyle(obj, 'opacity')*100;

    },

    

    /**

     * Creates a new XMLHttpRequest object based on browser

     */

    createXMLHttpRequest: function() {

      var http;

      if (window.XMLHttpRequest) { // Mozilla, Safari,...

        http = new XMLHttpRequest();

        if (http.overrideMimeType) {

          // set type accordingly to anticipated content type

          http.overrideMimeType('text/html');

        }

      }

      else if (window.ActiveXObject) { // IE

        try {

          http = new ActiveXObject("Msxml2.XMLHTTP");

        } catch (e) {

          try {

            http = new ActiveXObject("Microsoft.XMLHTTP");

          } catch (e) {}

        }

      }

      if (!http) {

        alert('Cannot create XMLHTTP instance');

        return false;

      }

      return http;

    },

    

    addEvent: function(obj, evType, fn) {

      if (obj.addEventListener) {

        obj.addEventListener(evType, fn, false);

        return true;

      }

      else if (obj.attachEvent) {

        var r = obj.attachEvent("on"+evType, fn);

        return r;

      }

      else {

        return false;

      }

    },

    

    addEventListener: function(name, callback) {

      if (!events[name]) events[name] = new Array();

      events[name].push(callback);

    },

    

    /**

     * Causes all event listeners attached to `name` event to

     * execute.

     * @param {String} name Event name

     */

    fireEvent: function(name) {

        if (events[name] && events[name].length) {

          for (var i=0; i<events[name].length; i++) {

            var args = [];

            for (var n=1; n<arguments.length; n++) args.push(arguments[n]);

            // Events returning false stop propagation

            if (events[name][i](args) === false) break;

          }

        }

    },

    

    /**

     * Parses the arguments in the rel attribute

     * @param {String} query

     */

    parseQuery: function(query) {

       var params = new Object();

       if (!query) return params; 

       var pairs = query.split(/[;&]/);

       var end_token;

       for (var i=0; i<pairs.length; i++) {

          var keyval = pairs[i].split('=');

          if (!keyval || keyval.length != 2) continue;

          var key = unescape(keyval[0]);

          var val = unescape(keyval[1]);

          val = val.replace(/\+/g, ' ');

          if (val[0] == '"') var token = '"';

          else if (val[0] == "'") var token = "'";

          else var token = null;

          if (token) {

            if (val[val.length-1] != token) {

              do {

                i += 1;

                val += '&'+pairs[i];

              }

              while ((end_token = pairs[i][pairs[i].length-1]) != token)

            }

            val = val.substr(1, val.length-2);

          }

          if (val == 'true') val = true;

          else if (val == 'false') val = false;

          else if (val == 'null') val = null;

          params[key] = val;

       }

       return params;

    },

    /**

     * Handles the onclick event for iBox anchors.

     * @param {Event} e

     */

    handleTag: function(e) {

      var t = this.getAttribute('rel');

      var params = _pub.parseQuery(t.substr(5,999));

      if (params.target) var url = params.target;

      else if (this.target && !params.ignore_target) var url = this.target;

      else var url = this.href;

      var title = this.title;

      if (_pub.inherit_frames && window.parent) window.parent.iBox.showURL(url, title, params);

      else _pub.showURL(url, title, params);

      return false;

    },

    

    plugins: {

      list: new Array(),

      register: function(func, last) {

        if (last === undefined) var last = false;

        if (!last) {

          _pub.plugins.list = [func].concat(_pub.plugins.list);

        }

        else {

          _pub.plugins.list.push(func);

        }

      }

    }

  };

  

  // private methods and variables

  var active = {};

  

  // events

  var events = {};



  // some containers

  // we store these in memory instead of finding them each time

  var els = {};

  

  var offset = {};

  

  /**

   * Creates the iBox container and appends it to an element

   * @param {HTMLObject} elem Container to attach to

   * @return {HTMLObject} iBox element

   */

  var create = function(elem) {

    pagesize = _pub.getPageSize();

    

    // TODO: why isnt this using DOM tools

    // a trick on just creating an ibox wrapper then doing an innerHTML on our root ibox element

    els.container = document.createElement('div');

    els.container.id = 'ibox';



    els.overlay = document.createElement('div');

    els.overlay.style.display = 'none';

    _pub.setOpacity(null, els.overlay, 0);

    // firefox mac has issues with opacity and flash

    if (!_pub.is_firefox) els.overlay.style.background = '#000000';

    else els.overlay.style.backgroundImage = "url('" + _pub.base_url + "images/bg.png')";

    els.overlay.id = 'ibox_overlay';

   // params = {position: 'absolute', top: 0, left: 0, width: '100%'};  //params = { position:'absolute',  width:'1680px', top: 0,bottom:0, left:'-450px', right:0, margin:'0' }; 

   // params = {position: 'absolute', top: 0,bottom:0, left:'-450px', right:0, width:'1680px'};

 //params = {position: 'absolute', top: 0,bottom:0, left:'-470px', right:0, width:'1920px'};
 //params = {position: 'absolute', top: 0,bottom:0, left:'-650px', right:0, width:'2120px'};
params = {position: 'absolute', top: 0,bottom:0, left:'-650px', right:0, width:'2520px'};

    _pub.updateObject(els.overlay.style, params);

    els.overlay.onclick = _pub.hide;

    els.container.appendChild(els.overlay);



    els.loading = document.createElement('div');

    els.loading.id = 'ibox_loading';

    els.loading.innerHTML = 'Cargando...';

    els.loading.style.display = 'none';

    els.loading.onclick = _pub.hide

    els.container.appendChild(els.loading);



    els.wrapper = document.createElement('div')

    els.wrapper.id = 'ibox_wrapper';

    _pub.updateObject(els.wrapper.style, {position: 'absolute', top: 0, left: '80%', display: 'none'});



    els.content = document.createElement('div');

    els.content.id = 'ibox_content';

    _pub.updateObject(els.content.style, {overflow: 'auto'})

    els.wrapper.appendChild(els.content);

  

    var child = document.createElement('div');

    child.id = 'ibox_footer_wrapper';

  

    var child2 = document.createElement('a');

    child2.innerHTML = _pub.close_label;

    child2.href = 'javascript:void(0)';

    child2.onclick = _pub.hide;

    child.appendChild(child2);

  

    els.footer = document.createElement('div');

    els.footer.id = 'ibox_footer';

    els.footer.innerHTML = '&nbsp;';

    child.appendChild(els.footer);

    els.wrapper.appendChild(child);



    els.container.appendChild(els.wrapper);



    elem.appendChild(els.container);

        

    _pub.updateObject(els.wrapper.style, {right: '', bottom: ''});

    

    return els.container;

  };

  

  /**

   * Hides tags within the container

   * @param {String} tag The name of the tag (e.g. 'a')

   * @param {HTMLObject} container The container to restore tags within (defaults to document)

   */

  var hideTags = function(tag, container) {

    if (container === undefined) var container = document.body;

    var list = container.getElementsByTagName(tag);

    for (var i=0; i<list.length; i++) {

      if (_pub.getStyle(list[i], 'visibility') != 'hidden' && list[i].style.display != 'none') {

        list[i].style.visibility = 'hidden';

        list[i].wasHidden = true;

      }

    }

  };

  

  /**

   * Shows all previously hidden tags in a container.

   * @param {String} tag The name of the tag (e.g. 'a')

   * @param {HTMLObject} container The container to restore tags within (defaults to document)

   */

  var showTags = function(tag, container) {

    if (container === undefined) var container = document.body;

    var list = container.getElementsByTagName(tag);

    for (var i=0; i<list.length; i++) {

      if (list[i].wasHidden) {

        list[i].style.visibility = 'visible';

        list[i].wasHidden = null;

      }

    }

  };

  

  var showInit = function(title, params, callback) {

    if (!_initialized) initialize();

    if (params === undefined) var params = {};

    if (active.plugin) _pub.hide();



    active.is_loaded = true;

    active.params = params;

    

    els.loading.style.display = "block";

    

    _pub.center(els.loading);

    _pub.reposition();



    // hide tags

    for (var i=0; i<_pub.tags_to_hide.length; i++) {

      hideTags(_pub.tags_to_hide[i]);

    }



    // set title here

    els.footer.innerHTML = title || "&nbsp;";



    // setup background

    els.overlay.style.display = "block";

    

    if (!_pub.is_firefox) var amount = 70;

    else var amount = 100;

    _pub.fade(els.overlay, _pub.getOpacity(null, els.overlay), amount, _pub.fade_in_speed, callback);

    

    _pub.fireEvent('show');

  };

  

  var drawCSS = function() {

    // Core CSS (positioning/etc)

    var core_styles = "#ibox {z-index:1000000;text-align:left; height:220px;} #ibox_overlay {z-index:1000000;} #ibox_loading {position:absolute;z-index:1000001;} #ibox_wrapper {margin:30px;position:absolute;top:0;left:0;z-index:1000001; } #ibox_content {z-index:1000002;margin:27px 5px 5px 5px;padding:2px;} #ibox_content object {display:block;} #ibox_content .ibox_image {width:100%;height:100%;margin:0;padding:0;border:0;display:block;} #ibox_footer_wrapper a {float:right;display:block;outline:0;margin:0;padding:0;} #ibox_footer_wrapper {text-align:left;position:absolute;top:5px;right:5px;left:5px;white-space:nowrap;overflow:hidden;}";

    

    // Default style/theme/skin/whatever

    var default_skin = "#ibox_footer_wrapper {font-weight:bold;height:20px;line-height:20px;} #ibox_footer_wrapper a {text-decoration:none;background:#888;border:1px solid #666;line-height:16px;padding:0 5px;color:#333;font-weight:bold;font-family:Verdana, Arial, Helvetica, sans-serif;font-size:10px;} #ibox_footer_wrapper a:hover {background-color:#bbb;color:#111;} #ibox_footer_wrapper {font-size:12px;font-family:Verdana, Arial, Helvetica, sans-serif;color:#111;} #ibox_wrapper {border:1px solid #ccc;} #ibox_wrapper {background-color:#999;}#ibox_content {background-color:#eee;border:1px solid #666;} #ibox_loading {padding:50px; background:#000;color:#fff;font-size:16px;font-weight:bold;}";



    var head = document.getElementsByTagName("head")[0];



    // tricky hack for IE

    // because IE doesn't like when you insert stuff the proper way

    // and we cant use relative paths to include this as an external

    // stylesheet

    var htmDiv = document.createElement('div');



    htmDiv.innerHTML = '<p>x</p><style type="text/css">'+default_skin+'</style>';

    head.insertBefore(htmDiv.childNodes[1], head.firstChild);



    htmDiv.innerHTML = '<p>x</p><style type="text/css">'+core_styles+'</style>';

    head.insertBefore(htmDiv.childNodes[1], head.firstChild);

  };



  var _initialized = false;

  var initialize = function() {

    // make sure we haven't already done this

    if (_initialized) return;

    _initialized = true;

    // elements here start the look up from the start non <a> tags

    drawCSS();

    create(document.body);

    _pub.checkTags(document.body, 'a');

    _pub.http = _pub.createXMLHttpRequest();

    _pub.fireEvent('load');

  };

  

  _pub.addEvent(window, 'keypress', function(e){ if (e.keyCode == (window.event ? 27 : e.DOM_VK_ESCAPE)) { iBox.hide(); }});

  _pub.addEvent(window, 'resize', _pub.reposition);

  _pub.addEvent(window, 'load', initialize);

  _pub.addEvent(window, 'scroll', _pub.reposition);



  // DEFAULT PLUGINS



  /**

   * Handles embedded containers in the page based on url of #container.

   * This _ONLY_ works with hidden containers.

   */

  var iBoxPlugin_Container = function() {

    var was_error = false;

    var original_wrapper = null;

    return {

      /**

       * Matches the url and returns true if it fits this plugin.

       */

      match: function(url) {

        return url.indexOf('#') != -1;

      },

      /**

       * Called when this plugin is unloaded.

       */

      unload: function() {

        if (was_error) return;

        var elemSrc = _pub.html().firstChild;

        if (elemSrc) {

          elemSrc.style.display = 'none';

          original_wrapper.appendChild(elemSrc);

        }

      },

      /**

       * Handles the output

       * @param {iBox} ibox

       * @param {String} url

       * @return {iBoxContent} an instance or subclass of iBoxContent

       */

      render: function(url, params) {

        was_error = false;

        var elemSrcId = url.substr(url.indexOf("#") + 1);

        var elemSrc = document.getElementById(elemSrcId);

        // If the element doesnt exist, break the switch

        if (!elemSrc) {

          was_error = true;

          _pub.html(document.createTextNode('There was an error loading the document.'), params);

        }

        else {

          original_wrapper = elemSrc.parentNode;

          elemSrc.style.display = 'block';

          _pub.html(elemSrc, params);

        }

      }

    }

  }();

  _pub.plugins.register(iBoxPlugin_Container, true);



  /**

   * Handles images

   */

  var iBoxPlugin_Image = function() {

    // Image types (for auto detection of image display)

    var image_types = /\.jpg|\.jpeg|\.png|\.gif/gi;



    return {

      match: function(url) {

        return url.match(image_types);

      },



      render: function(url, params) {  

        var img = document.createElement('img');

        img.onclick = _pub.hide;

        img.className = 'ibox_image'

        img.style.cursor = 'pointer';

        img.onload = function() {

          _pub.html(img, {width: this.width, height: this.height, constrain: true})

        }

        img.onerror = function() {

          _pub.html(document.createTextNode('There was an error loading the document.'), params);

        }

        img.src = url;

      }

    }

  }();

  _pub.plugins.register(iBoxPlugin_Image);



  var iBoxPlugin_YouTube = function() {

    var youtube_url = /(?:http:\/\/)?(?:www\d*\.)?(youtube\.(?:[a-z]+))\/(?:v\/|(?:watch(?:\.php)?)?\?(?:.+&)?v=)([^&]+).*/;

    return {

      match: function(url) {

        return url.match(youtube_url);

      },



      render: function(url, params) {

        var _match = url.match(youtube_url);

        var domain = _match[1];

        var id = _match[2];

        params.width = 425;

        params.height = 355;

        params.constrain = true;

        var html = '<object width="100%" height="100%" style="overflow: hidden; display: block;"><param name="movie" value="http://www.' + domain + '/v/' + id + '"/><param name="wmode" value="transparent"/><embed src="http://www.' + domain + '/v/' + id + '" type="application/x-shockwave-flash" wmode="transparent" width="100%" height="100%"></embed></object>';

        _pub.html(html, params);

      }

    }

  }();

  _pub.plugins.register(iBoxPlugin_YouTube);



  var iBoxPlugin_Document = function() {

    return {

      match: function(url) {

        return true;

      },



      render: function(url, params) {

        _pub.http.open('get', url, true);



        _pub.http.onreadystatechange = function() {

          if (_pub.http.readyState == 4) {

            // XXX: why does status return 0?

            if (_pub.http.status == 200 || _pub.http.status == 0) {

              _pub.html(_pub.http.responseText, params);

            }

            else {

              _pub.html(document.createTextNode('There was an error loading the document.'), params);

            }

          }

        }

        _pub.http.setRequestHeader("Content-Type", "application/x-www-form-urlencoded; charset=UTF-8");

        try {

          _pub.http.send(null);

        }

        catch (ex) {

          _pub.html(document.createTextNode('There was an error loading the document.'), params);

        }

      }

    };

  }();

  _pub.plugins.register(iBoxPlugin_Document, true);



  return _pub;

}();