jQuery.fn.indexer = function(options){ 
  defaultSettings = {'containerClass' : 'indexerContainer', 'elementClass' : 'indexerElement', 'lvl1' : 'h1', 'lvl2' : 'h2', 'lvl3' : 'h3', 'lvl4' : 'h4', 'lvl5' : 'h5' };
  var ulstyle = "line-height:170%; margin: 10px 0px 10px 0px; padding: 0px;";
  var listyle = "list-style-image:url(../images/icons/link_go.png); vertical-align:top;";
  var settings = jQuery.extend(defaultSettings, options); 
  var idxHtml = '<ul class="'+ settings.containerClass +'" style="' + ulstyle + '" id="indexcontainer">'; 
  var selector = settings.lvl1 + ',' + settings.lvl2 + ',' + settings.lvl3 + ',' + settings.lvl4 + ',' + settings.lvl5; 
  var idxId = 0;
  var idx1 = $(selector); 
  idx1.each(function(){ 
	  if($(this).html() != "") {
	  idxHtml += '<li class="'+ settings.elementClass +'" style="' + listyle + '"><a href="#indexer' + idxId + '">' + $(this).html() + '</a></li>'; 
	  $(this).prepend('<a name="indexer' + idxId + '" />');
	  };
	  idxId++; 
  }); 
  idxHtml += "</ul>"; 
  this.html(idxHtml); 
  return this; 
}