(function(){



// NOTE: Known Emoji Ranges => 0xE001 - 0xE05A,  0xE101 - 0xE15A,  0xE201 - 0xE253,  0xE301 - 0xE34D,  0xE401 - 0xE44C,  0xE501 - 0xE537



var isEmoji = function(v) {

  if(v <= 0xE000 || v > 0xE537){return false;}

  if(v >= 0xE001 && v <= 0xE05A){return true;}

  if(v >= 0xE101 && v <= 0xE15A){return true;}

  if(v >= 0xE201 && v <= 0xE253){return true;}

  if(v >= 0xE301 && v <= 0xE34D){return true;}

  if(v >= 0xE401 && v <= 0xE44C){return true;}

  if(v >= 0xE501 && v <= 0xE537){return true;}

  return false;

};



var createEmojiImage = function(v){

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

  // NOTE: Please don't screw me on bandwidth.

  // NOTE: You can get your own copy of all images below.

  // NOTE: http://emoji.meklarian.com/grouped-images.zip

  // NOTE: Originals are from http://pukupi.com/post/1964/

  // NOTE: Thank you. <3

  img.src = "http://emoji.meklarian.com/AIPOTU/" + Number(v).toString(16) + ".png";

  return img;

}



var emojiReplace = function(node) {

  if(node.nodeType !== 3){return;}



  var frag = null;



  var changed = false;

  var val = node.nodeValue;

  var newval = "";

  var i = 0;

  for(;i<val.length;i++)

  {

    var cc = val.charCodeAt(i);

    if(isEmoji(cc))

    {

      if(frag == null){frag = document.createDocumentFragment();}

      changed = true;

      if(newval.length > 0)

      {

        frag.appendChild(document.createTextNode(newval));

        newval = "";

      }

      frag.appendChild(createEmojiImage(cc));

    }

    else

    {

      newval = newval + val.charAt(i);

    }

  }

  

  if(changed)

  {

    if(newval.length > 0) 

    {

        frag.appendChild(document.createTextNode(newval));

    }

  

    node.nodeValue = '';

    node.parentNode.insertBefore(frag, node);

  }

};



// NOTE: lazy lookup. 

var ignoreNodes = ",textarea,input,style,link,meta,script,object,iframe,pre,head,html,title,";



var replaceInTree = function(node, fnReplace) {

  if(node.nodeType !== 1){return;}

  var cns = node.childNodes;

  var len = cns.length;

  

  while(len--){

    var n = cns[len];

    if(n.nodeType === 1)

    {

      // NOTE: I know. I'm Lazy... - PS - 2010-07-31

      if(ignoreNodes.indexOf("," + n.nodeName.toLowerCase() + ",") === -1)

      {

        replaceInTree(n);

      }

    }

    if(n.nodeType === 3){emojiReplace(n);}

  };

};



replaceInTree(document.body, emojiReplace);



}());