//js
//*****************************************************************************/
// Crazy Egg tracking script generated for:
// forward Homepage2
// http://www.forward.com
//*****************************************************************************/

/*===========================*/
/*=           LIB           =*/
/*===========================*/
var isSafari = (/Konqueror|Safari|KHTML/.test(navigator.userAgent)) ? true : false; /*hack to force Safari to function properly sans animation*/

function findPosX(obj) 
{
	var curleft = 0;
	if (obj.offsetParent) { 
		while (obj.offsetParent) {			
			//if(document.all) { obj.style.zoom = 1; } /* God IE is so stupid. This forces hasLayout mode to the element to get the proper dimensions */			
			curleft += obj.offsetLeft; obj = obj.offsetParent; 
		} 
	}
	else if (obj.x) { curleft += obj.x; }
	return curleft;
}

function findPosY(obj) 
{
	var curtop = 0;
	if (obj.offsetParent) { while (obj.offsetParent) { 
		//if(document.all) { obj.style.zoom = 1; } /* God IE is so stupid. This forces hasLayout mode to the element to get the proper dimensions */
		curtop += obj.offsetTop; obj = obj.offsetParent; 
	} }
	else if (obj.y) { curtop += obj.y; }
	return curtop; 
}

//NOTE: This is re-written from the Prototype library, to not rely on
//any other Prototype library methods or classes

Function.prototype.bind = function() {
  var __method = this;
  var args = [];
  for (var i = 0; i < arguments.length; i++)
    args.push(arguments[i]);
  var object = args[0];
  for (var i = 0; i < args.length - 1; i++)
    args[i] = args[i + 1];
  args.length--;
  
  return function() {
    return __method.apply(object, args.concat(arguments));
  }
}

Function.prototype.bindAsEventListener = function(object) {
  var __method = this;
  return function(event) {
    return __method.call(object, event || window.event);
  }
}

if (!window.Event) {
  var Event = new Object();
}

Event.pointerX=function(event)
{
  return event.pageX || (event.clientX +
    (document.documentElement.scrollLeft || document.body.scrollLeft));
}

Event.pointerY=function(event)
{
  return event.pageY || (event.clientY +
    (document.documentElement.scrollTop || document.body.scrollTop));
}

var Class = {
  create: function() {
    return function() {
      this.initialize.apply(this, arguments);
    }
  }
}

function logAll(message) {
  if (typeof message != 'string') {message = typeof message};
  
  if (window.console) {window.console.log(message);};
  if (log) {log(message)};
  if (document.all) {alert(message)};
};

//A very simple delay function
function delay(millis) 
{
  date = new Date();
  var curDate = null;

  do { var curDate = new Date(); } 
  while(curDate-date < millis);
}


/*=========================================*/
/*=           CRAZY EGG TRACKER           =*/
/*=========================================*/

//Create the class
var CrazyEggTracker=Class.create();
//The list of tags that we track
CrazyEggTracker.tracked_tags=["a","input", "textarea", "select"];

//This will be set below upon window onload
CrazyEggTracker.main=null;
//Define the class
CrazyEggTracker.prototype={
  initialize: function(target)
  {
    var date = new Date();
    this.start_time = date.getTime();
    this.track(target);
  },
  
  track: function(target)
  {
    
    this.target=target;
    
    //Get the base URL
    this.base_url=this.get_base_url();
    this.names=new Array();
    //First find all the tracked elements on the page
    this.get_tracked_items();
  },
  
  get_base_url: function()
  {
    //Get the base url
    this.base_url="";
    try{
      this.base_url=this.target.getElementsByTagName("base")[0].href;
      this.base_host=this.base_url.replace(/.*?:\/\/(.*?)[:\/].*/,"$1");
      if ( !this.base_host.match(/:/) )
      {
        this.base_host+=":";
      }
    }catch(e)
    {
      this.base_url=this.target.location.href.replace(/(.*\/).*/, "$1");
      this.base_host=this.target.location.hostname+":"+this.target.location.port;
    }
		this.base_host=this.base_host.replace(/^http.*?\:\/\//,"");
		this.base_host=this.base_host.replace(/^www\./,"");
  },
  
  get_tracked_items: function()
  {
    //Initialize array
    this.tracked_items=new Array();
    
    //Shorter reference to CrazyEggTracker.tracked_tags
    var tags=CrazyEggTracker.tracked_tags;
    
    //Loop through all the tags and get all the elements that are of the tag
    //we are searching for (eg "a", "img", "input", etc)
    for(var i=0;i<tags.length;i++)
    {
      //Get all the elements with the target tag
      var elements=this.target.getElementsByTagName(tags[i]);
      
      for ( var e=0; e<elements.length; e++ ) 
      {
        //Make sure this is something we track
        if( this.is_trackable_element(elements[e]))
        {
          //If so, then add it to the array
          this.tracked_items.push(new CrazyEggItem(elements[e],this));          
        }
      }
    }
    
    //Add all the other trackable elements
    var other_elements=this.get_clickable_elements(tags);
    
    //loop through the other_elements
    for ( var e=0; e<other_elements.length; e++ ) 
    {
      this.tracked_items.push(new CrazyEggItem(other_elements[e],this));
    };
  },
  
  get_clickable_elements: function(unwanted_tags) 
  {
    var clickable_elements = [];
    
    var every_tag = this.target.getElementsByTagName('*');
    for (var i=0;i<every_tag.length;i++)
    {
      /* if this tag doesn't have an onClick, then skip to the next */
      if (typeof every_tag[i].onClick == 'undefined') {continue};
      
      var keep_this_one = true;
      
      /* loop through each unwanted tag  */
      for (var ut=0;ut<unwanted_tags.length;ut++) 
      {
        if (every_tag[i].tagName == unwanted_tags[ut]) 
        {keep_this_one = false;};
      };
      /* add it to the return list if it hasnt been filtered out */
      if (keep_this_one) { clickable_elements.push(every_tag[i]) };
    };
    return clickable_elements;
  },
  
  is_trackable_element: function(element)
  {
    if ( element.tagName.toLowerCase() == "input")
    {
      var type=element.type.toLowerCase();
      if ( type.match(/^(button|submit|image|radio|reset|checkbox|text|password)$/))
        return true;
      return false;
    }
    else
    {
      //Default is we accept it, unless filtered out above.
      return true;
    }
  },
  
  item_with_id: function(id)
  {
    for ( var i=0; i<this.tracked_items.length; i++ ) 
    {
      if ( this.tracked_items[i].id == id )
        return this.tracked_items[i];
    }
    return null;
  }
}

/*======================================*/
/*=           CRAZY EGG ITEM           =*/
/*======================================*/

var CrazyEggItem=Class.create();

//This where most of the "heavy lifting" happens
CrazyEggItem.prototype={
  initialize: function(element,tracker)
  {
    this.tracker=tracker;
    this.element=element;
    
    //Do we delay when this item is activated ( eg tracked )?
    this.do_delay=true;
    //What event we attach to ( eg onclick, onfocus )
    this.attach_to_event="click";
    //Set the src for id to element's id if it has one
    if ( this.element.id )
      this.src_for_id=this.element.id;
      
    //Initialize with this tag. So if the tag is an input tag then the method will
    //be init_with_input_tag(element)
    var method_name="init_with_"+this.element.nodeName.toLowerCase()+"_tag";
    if( this[method_name])
      this[method_name](this.element);
    
    this.get_text();
    this.create_id();
    this.create_action();
    
  },
  
  log: function(msg)
  {
    if ( !this.console )
    {
      try{
        this.console=top.runner.Test.Unit.Runner.main.console;
      }catch(e){}
    }
    if ( this.console )
      this.console.log(msg);
  },
  
  init_with_a_tag: function(element)
  {
    //See if the link is around an image tag...
    var images=element.getElementsByTagName("img");
    
    //Get the src
    if ( !this.src )
    {
      if ( this.element.href )
      {
        var base_host = this.element.host.replace(/^http.*?\:\/\//,"").replace(/^www\./,"").replace(/:.*/,"")+":"+this.element.port.replace(/^(0|80|443)$/,"");
        
        if ( base_host == this.tracker.base_host )
        {
          this.src_for_id=new String(this.element.pathname);
          this.src_for_id=this.src_for_id.replace(this.tracker.target.location.pathname.replace(/\/(.*)\/.*/, "$1"),"_");
          //Remove trailing and leading slashes
          this.src_for_id=this.src_for_id.replace(/^\/*/,"_");
          this.src_for_id=this.src_for_id.replace(/\/*$/,"_");
        
          if ( this.element.search )
            this.src_for_id+="?"+this.element.search;
          if ( this.element.hash )
            this.src_for_id+="#"+this.element.hash;
        }
        else
        {
          this.src_for_id = this.element.href;
        }
        this.src_for_id=this.src_for_id.replace("javascript:%20","javascript:");
      }
    }
    
    //Get the text from the image
    if ( images.length > 0 )
    {
      //...in which case init with the image tag instead
      this.init_with_img_tag(images[0]);
    }
    
  },
  
  init_with_img_tag: function(element)
  {
   
  },
  
  init_with_input_tag: function(element)
  {
    //Set the src_for_id
    if ( !this.src_for_id)
    {
      if ( element.name )
      {
        this.src_for_id=element.name;
      }
    }      
    if ( element.type.toLowerCase() == "text" || element.type.toLowerCase() == "password")
    {
      this.do_delay=false;
      this.attach_to_event="focus";
    }
  },
  
  init_with_textarea_tag: function(element)
  {
    if ( !this.src_for_id)
    {
      if ( element.name )
      {
        this.src_for_id=element.name;
      }
    }
    this.do_delay=false;
    this.attach_to_event="focus";
  },
  
  init_with_select_tag: function(element)
  {
    if ( !this.src_for_id)
    {
      if ( element.name )
      {
        this.src_for_id=element.name;
      }
    }
    this.do_delay=false;
    this.attach_to_event="change";
  },
  
  create_id: function()
  {
    //Just create a simple counter-incremented id
    var id="CEID_";

    if ( !this.src_for_id)
      this.src_for_id = "";
    
    //This is to handle old cases, where we automatically assigned
    //the id when we downloaded the source.
    if ( this.element.id.match(/^CEID(.*?)\d+$/) )
    {
      //Just the id to the src, since we already created it...
      id=this.element.id;
    }
    else
    {
      //Create a new id
      //Make it underscore form
      this.src_for_id = this.src_for_id.replace(" ", "_");
      this.src_for_id = this.src_for_id.replace(/\W/g, '_').replace(/_+/g, '_');
      //Remove a trailing _
      this.src_for_id = this.src_for_id.replace(/\_$/, '');
    
      id+=this.src_for_id;
      //Shorten multiple contiguous underscores
      id=id.replace(/_+/g, '_');
      //Remove any trailing numbers ( eg "some_id1", "some_id22" becomes "some_id" )
      id=id.replace(/\d+$/,"");
      //See if this ID already exists
      var existing_count=0;
      for ( var i=0; i<this.tracker.tracked_items.length; i++ ) 
      {
        //Remove any trailing numbers ( eg "some_id1", "some_id22" becomes "some_id" )
        if ( this.tracker.tracked_items[i].id.replace(/\d+$/,"") == id)
          existing_count+=1;
      }
      //Append an incremented number to it
      id+=(existing_count+1);
    }
    this.id=id.substring(0,128);
    this.element.ce_id=this.id;
  },
  
  get_text: function()
  {
    //Do the default if not already set
    if ( !this.text )
    {
      if ( this.element.name ) this.text=this.element.name;
      else if ( this.element.title ) this.text = this.element.title
      else if ( this.element.alt ) this.text=this.element.alt;
      else if ( this.element.label ) this.text=this.element.label;
      else if ( this.element.id ) this.text=this.element.id;
      else if ( this.element.nodeName.toLowerCase() == "input")
      {
        if( this.element.type.toLowerCase() == "submit" || this.element.type.toLowerCase() == "button")
        {
          this.text=this.value;
        }
      }
      else if ( this.element.longDesc ) this.text = this.element.longDesc
      else if ( this.element.src ) this.text = this.element.src.replace(/.*\/(.*)/, "$1");
      else if ( this.element.innerText ) this.text=this.element.innerText;
      else if ( this.element.text ) this.text=this.element.text;
      else 
      {
        this.text=this.element.nodeName.toLowerCase()+" tag";
      }
    }
		this.text=this.text.substring(0,128);
		
    if ( this.tracker.names[this.text] )
    {
      var orig_text=this.text;
      var c=this.tracker.names[orig_text];
      this.text=orig_text+" ["+(c>0 ? (""+c) : "")+"]";
      this.tracker.names[orig_text]+=1;
      if ( this.tracker.names[this.text] )
        this.tracker.names[this.text]+=1;
      else
        this.tracker.names[this.text]=1;
    }
    else
    {
      this.tracker.names[this.text]=1;
    }
  },
  
  create_action: function()
  {
    //Bind the elements attach_to_event to this.track   
    if ( !this.listener ) 
    {
      this.listener = this.track.bindAsEventListener(this)
      if (this.element.addEventListener)
      {
        this.element.addEventListener(this.attach_to_event, this.listener, false);
      }
      else if (this.element.attachEvent)
      {
        this.element.attachEvent('on' + this.attach_to_event, this.listener);
      }
    }
  },
  
  disable_action: function()
  {
    if ( this.listener )
    {
      if (this.element.removeEventListener)
      {
        this.element.removeEventListener(this.attach_to_event, this.listener, false);
      }
      else if (this.element.detachEvent)
      {
        this.element.detachEvent('on' + this.attach_to_event, this.listener);
      }
      this.listener = null;
    }
  },
  
  track: function(event)
  {
    //Dynamically create a script tag with the URL of the tracking url
    //and append it to the document
    var script = this.tracker.target.createElement('script');
    script.src = this.get_tracking_url(event);
    script.type = 'text/javascript'
    script.charset = 'utf-8' // Safari bug
    script = this.tracker.target.getElementsByTagName('head')[0].appendChild(script)
    
    if ( this.do_delay )
    {
      //Wait just a few milliseconds to the let the request fire
      delay(1000);
    }    
  },
  
  get_tracking_url: function(event)
  {
    var parameters  = "";

    //Basics
    parameters += "?pid=399";
    parameters += "&token=878FA94F98B5872B";
    parameters += "&text=" + encodeURIComponent(this.text);
    parameters += "&element_id=" + encodeURIComponent(this.id);
    
    //Time-to-click
    var date = new Date();
    var time_to_click = date.getTime() - this.tracker.start_time;
    
    parameters += "&time_to_click="+time_to_click;
    
    //Location of click
    if ( this.attach_to_event == "click")
    {
      try
      {
        var click_x = Event.pointerX(event);
        var click_y = Event.pointerY(event);
      
        if ( isSafari )
        {
          //If the item is an input element then the origin is actually in the lower-left corner
          //and we need to invert it
          if ( this.element.nodeName.toLowerCase() == "input")
          {
            //Find the bottom of the outside edge of the window (outerHeight+screenY) and then subtract
            //the screenY from that ( because it's an inverted origin )
            click_y = (window.outerHeight+window.screenY)-event.screenY;
          }
          
          //Account for padding on the body
          click_y -= this.tracker.target.body.offsetTop;
          click_x -= this.tracker.target.body.offsetLeft;
        }
        //Find the relative positions only
        click_x -= findPosX(this.element);
        click_y -= findPosY(this.element);
        
        //Append to the params
        parameters += "&click_x="+click_x+"&click_y="+click_y;
      }
      catch(e)
      {
        //Ignore any errors that happened
      }
    }
    return "http://stage.crazyegg.com/track/new_method" + parameters;    
  } 
}


/*=============================*/
/*=           SETUP           =*/
/*=============================*/



var ce_tracker_old_onload=window.onload;
window.onload=function()
{
  if ( ce_tracker_old_onload )
    ce_tracker_old_onload();
  //Create the main CrazyEggTracker
  if ( !CrazyEggTracker.main )
  {
    var target=document;
    
    CrazyEggTracker.main=new CrazyEggTracker(target);
  }
}