jQuery.fn.extend({
  highlight: function(search, insensitive, hls_class){
    var regex = new RegExp("(<[^>]*>)|(\\b"+ search.replace(/([-.*+?^${}()|[\]\/\\])/g,"\\$1") +")", insensitive ? "ig" : "g");
    return this.html(this.html().replace(regex, function(a, b, c){
      return (a.charAt(0) == "<") ? a : "<strong class=\""+ hls_class +"\">" + c + "</strong>";
    }));
  }
});
jQuery(document).ready(function($){
  if(typeof(hls_query) != 'undefined'){
    $("#content").highlight(hls_query, 1, "hls"); 
  }
});