html encode y decode con jQuery From http://stackoverflow.com/questions/1219860/html-encoding-in-javascript-jquery

html_endoce_decode.js

function htmlEncode(value){
  //create a in-memory div, set it's inner text(which jQuery automatically encodes)
  //then grab the encoded contents back out.  The div never exists on the page.
  return $('<div/>').text(value).html();
}

function htmlDecode(value){
  return $('<div/>').html(value).text();
}