var _HUGE_BASE_URL = 'http://core.huge.doublerecall.com/';
var _HUGE_MIXPANEL_TOKEN = 'f30bdaf49b7c0b0637dfc1d45830548d';

var mpq = [];
mpq.push(["init", _HUGE_MIXPANEL_TOKEN]);
(function(){var b,a,e,d,c;b=document.createElement("script");b.type="text/javascript";b.async=true;b.src=(document.location.protocol==="https:"?"https:":"http:")+"//api.mixpanel.com/site_media/js/api/mixpanel.js";a=document.getElementsByTagName("script")[0];a.parentNode.insertBefore(b,a);e=function(f){return function(){mpq.push([f].concat(Array.prototype.slice.call(arguments,0)))}};d=["init","track","track_links","track_forms","register","register_once","identify","name_tag","set_config"];for(c=0;c < d.length;c++){mpq[d[c]]=e(d[c])}})();

var _HUGE;
if ( _HUGE == undefined ) _HUGE = {};
window._HUGE = _HUGE;

// Initialize global HUGE object with helper functions.
if ( !_HUGE.initialized ) {
  _HUGE.get_id = function(id) {
    return document.getElementById(id);
  };
  
  _HUGE.get_class = function(klass) {
    return_array = new Array();
    var els = document.getElementsByTagName("*");
    var pattern = new RegExp("(^|\\s)"+klass+"(\\s|$)");
    for ( i = 0; i < els.length; i++ )
    {
      if ( pattern.test(els[i].className) ) 
      {
        return_array.push(els[i]);
      }
    }
    return return_array;
  };
  
  // _HUGE.add_load_event = function(func){var oldonload = window.onload;if(typeof window.onload != 'function'){window.onload=func;}else{window.onload=function(){if(oldonload){oldonload();}func();}}};

  _HUGE.get_head = function() {
    return document.getElementsByTagName("HEAD")[0];
  }

  _HUGE.get_body = function() {
    return document.getElementsByTagName("BODY")[0];
  }

  _HUGE.has_class = function(element, className) {
    var elementClassName = element.className;

    return (elementClassName.length > 0 && (elementClassName == className ||
      new RegExp("(^|\\s)" + className + "(\\s|$)").test(elementClassName)));
  };

  _HUGE.add_class = function(element, className) {
    if (!_HUGE.has_class(element, className))
      element.className += (element.className ? ' ' : '') + className;
    return element;
  };

  _HUGE.remove_class = function(element, className) {
    var newClass = _HUGE.strip(element.className.replace(new RegExp("(^|\\s+)" + className + "(\\s+|$)"), ' '));
    element.className = newClass;
    return element;
  };

  _HUGE.strip = function(string) {
    return string.replace(/^\s+/, '').replace(/\s+$/, '');
  };
  
  _HUGE.get = function(url, callback) {
    var script = document.createElement("script");
    script.type = "text/javascript";
    script.src = url
    
    // Setup callback if we have one.
    if ( callback ) script.onload = callback
    
    // Put da script in da head, YO!
    _HUGE.get_head().appendChild(script)
  }
  
  _HUGE.ads = [];
  _HUGE.flash_objects = [];
  _HUGE.initialized = true;
}

// The ad object constructor. This will be the main workhorse.
_HUGE.ad = function(options) {
  if(_HUGE.ads.length > 0) return;
  if ( !options ) this.options = {};
  else this.options = options;
  
  if ( !this.options.core ) this.options.core = _HUGE_BASE_URL;
  if ( !this.options.shortcode ) this.options.shortcode = 'target';
  else this.options.shortcode = this.options.shortcode + '/jsonp';
  
  // Fetch data from remote server.
  this.get();
  _HUGE.ads.push(this);
}

_HUGE.ad.prototype = {
  get: function() {
    // Create a random-named callback function handler.
    var callback_function_name = "callback_"+ Math.round(Math.random()*999999);
    var this_obj = this;
    _HUGE[callback_function_name] = function(data) { // create _HUGE function that will be called from JSONP script with data
    	this_obj.render(data); // Callback will call render upon execution.
    }

    var url = [
      this.options.core,
      this.options.shortcode,
      "?referer="+ escape(document.referrer),
      "&callee="+ escape(window.location.href),
      "&callback="+ escape("_HUGE."+ callback_function_name)
    ].join("");
  
    _HUGE.get(url);
  },

  render: function(data) {
    if ( !data ) return false

	this.hide_all_flash_objects();

    var css = document.createElement("link");
    css.type = "text/css";
    css.rel = "stylesheet";
    css.href = _HUGE_BASE_URL + data.shortcode + '/css';
    _HUGE.get_head().appendChild(css); 
    
    _HUGE.get_body().innerHTML += data.html;

    // Setup overlay height on document load finish.
/*
    var this_obj = this;
    _HUGE.add_load_event(function() {
      this_obj.scroll_top = document.documentElement.scrollTop || document.body.scrollTop;
      this_obj.scroll_height = document.documentElement.scrollHeight;
      this_obj.client_height = window.innerHeight || document.documentElement.clientHeight;
      _HUGE.get_id('DR_HUGE_screen').style.height = this.scroll_height + "px"; // Expand our background overlay to cover the entire height.
    })
*/    
    this.show();
  },
  
  show: function() {
	_HUGE.get_id('DR_HUGE_overlay').style.display = 'block';
  },
  
  hide: function() {
	_HUGE.get_id('DR_HUGE_overlay').style.display = 'none';
	this.show_all_flash_objects();
  },
  
  hide_all_flash_objects: function() {
    object_elements = document.getElementsByTagName("OBJECT");
    for(key in object_elements) { 
	  if(object_elements[key].tagName == 'OBJECT') {
	    object_elements[key].style.display = 'none';
	    _HUGE.flash_objects.push(object_elements[key]);
	  } 
    }
  },
  
  show_all_flash_objects: function() {
/*
  	while(_HUGE.flash_objects.length > 0) {
  		object_element = _HUGE.flash_objects.pop();
  		console.log(object_element);
  		console.log(object_element.style.display);
  		object_element.style.display = 'block';
  		console.log(object_element.style.display);
  	}
*/  	
    object_elements = document.getElementsByTagName("OBJECT");
    for(key in object_elements) { 
	  if(object_elements[key].tagName == 'OBJECT') {
	    object_elements[key].style.display = 'block';
	  } 
    }
  },
  
  count_click: function(shortcode, kind, item_number) {
	mpq.track("click", { 'shortcode' : shortcode , 'shortcode_item' : shortcode + "_" + item_number , 'shortcode_kind' : shortcode + "_" + kind });
	document.createElement("img").src = _HUGE_BASE_URL + shortcode + "/count/clicks/clicks_kind_" + kind + "/clicks_item_" + item_number;
  },

  count_view: function(shortcode) {
	mpq.track("view", { 'shortcode' : shortcode });
	document.createElement("img").src = _HUGE_BASE_URL + shortcode + "/count/views";
  },
}