jQuery.fn.highlight=function(b){function a(e,j){var l=0;if(e.nodeType==3){var k=e.data.toUpperCase().indexOf(j);if(k>=0){var h=document.createElement("span");h.className="highlight";var f=e.splitText(k);var c=f.splitText(j.length);var d=f.cloneNode(true);h.appendChild(d);f.parentNode.replaceChild(h,f);l=1}}else{if(e.nodeType==1&&e.childNodes&&!/(script|style)/i.test(e.tagName)){for(var g=0;g<e.childNodes.length;++g){g+=a(e.childNodes[g],j)}}}return l}return this.each(function(){a(this,b.toUpperCase())})};jQuery.fn.removeHighlight=function(){return this.find("span.highlight").each(function(){this.parentNode.firstChild.nodeName;with(this.parentNode){replaceChild(this.firstChild,this);normalize()}}).end()};/*

highlight v3

Highlights arbitrary terms.

<http://johannburkard.de/blog/programming/javascript/highlight-javascript-text-higlighting-jquery-plugin.html>

MIT license.

Johann Burkard
<http://johannburkard.de>
<mailto:jb@eaio.com>

*/

jQuery.fn.highlight = function(pat) {
 function innerHighlight(node, pat) {
  var skip = 0;
  if (node.nodeType == 3) {
   var pos = node.data.toUpperCase().indexOf(pat);
   if (pos >= 0) {
    var spannode = document.createElement('span');
    spannode.className = 'highlight';
    var middlebit = node.splitText(pos);
    var endbit = middlebit.splitText(pat.length);
    var middleclone = middlebit.cloneNode(true);
    spannode.appendChild(middleclone);
    middlebit.parentNode.replaceChild(spannode, middlebit);
    skip = 1;
   }
  }
  else if (node.nodeType == 1 && node.childNodes && !/(script|style)/i.test(node.tagName)) {
   for (var i = 0; i < node.childNodes.length; ++i) {
    i += innerHighlight(node.childNodes[i], pat);
   }
  }
  return skip;
 }
 return this.each(function() {
  innerHighlight(this, pat.toUpperCase());
 });
};

jQuery.fn.removeHighlight = function() {
 return this.find("span.highlight").each(function() {
  this.parentNode.firstChild.nodeName;
  with (this.parentNode) {
   replaceChild(this.firstChild, this);
   normalize();
  }
 }).end();
};