/*

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();
};

function addOnLoad(func) {
  if (window.onload) {
    var temp = window.onload;
    window.onload = function () {
      temp();
      func();
    }
  } else {
    window.onload = func;
  }
}

function delayedHighlightSearch() {
		var str = window.location.search;
		
		var start = str.indexOf("search=");
		if (start < 0) {
				return false;
		}
		
		var end = str.indexOf("&", start);
		if (end < 0) {
			end = str.length;
		}
		
		var searchTerm = str.substring("search=".length + start,end);
		if (searchTerm.length == 0) return;
		//$('body').highlight('bla');		
		
		//$('span').highlight(searchTerm);
		$('a.highlightable').highlight(searchTerm);				
		$('div.text').highlight(searchTerm);		
		$('div.sectionSubTitle').highlight(searchTerm);		
		//$('#highlight-plugin').removeHighlight().highlight(searchTerm);
}

function highlightSearch() {
	setTimeout('delayedHighlightSearch()',1000);
}

try {
	addOnLoad(highlightSearch);
} catch (ex) {
	//do nothing
}