<!--//
/* =============================================================
format Searchistory-Bibliothek
Name: shared.searchhistory.js
Erstellungsdatum: 22.10.2007
Modifiziert: 15.01.2008 12:20:17
Author: http://www.kryogenix.org/code/browser/searchhi/
Modifier: sfluri(at)format-ag.ch
Version: $2.1.2
============================================================= */

/* 
 HIGHTLIGHTWORD
 Suchbegriffe highlighten, Grundfunktion
 @param: node = Elementnode
 @param: word = Searchstring
*/

function fns_highlightWord(node,word) 
	{
	/* --- Iterate into this nodes childNodes --- */
	if (node.hasChildNodes) 
		{
		var hi_cn;
		for (hi_cn=0; hi_cn < node.childNodes.length; hi_cn++) 
			{
			fns_highlightWord(node.childNodes[hi_cn],word);
			}
		}
	/* --- And do this node itself --- */
	if (node.nodeType == 3) 
		{ 
		/* --- Text node --- */
		tempNodeVal = node.nodeValue.toLowerCase();
		tempWordVal = word.toLowerCase();
		if (tempNodeVal.indexOf(tempWordVal) != -1) 
			{
			pn = node.parentNode;
			if (pn.className != "fns_itemHighlightWord") 
				{
			  /* --- Word has not already been highlighted! --- */
				nv = node.nodeValue;
				ni = tempNodeVal.indexOf(tempWordVal);
				/* --- Create a load of replacement nodes --- */
				before = document.createTextNode(nv.substr(0,ni));
				docWordVal = nv.substr(ni,word.length);
				after = document.createTextNode(nv.substr(ni+word.length));
				hiwordtext = document.createTextNode(docWordVal);
				hiword = document.createElement("span");
				hiword.className = "fns_itemHighlightWord";
				hiword.appendChild(hiwordtext);
				pn.insertBefore(before,node);
				pn.insertBefore(hiword,node);
				pn.insertBefore(after,node);
				pn.removeChild(node);
				}
			}
		}
	}
	
/*
 SUCHWOERTER HERVORHEBEN 
 Suchwoerter hervorheben, die via Referer uebergeben wurden, 
 oder bei vorahandenem Querystringwert searchTerm (Erweiterung)
 Unterstuetzte Engines: alltheweb[query], altavista[q], aol[query], 
 excite[search], lycos[query], google[q], msn[q], netsacpe[search], t-online[q], yahoo[p]
 @param: --
*/
 
function fns_hightlightTerm() 
	{
	/* --- Suchergebeniss das via Weblication-Suche gefunden wurde higthlighten
	Hier wird nicht auf den Referer sondern auf location.search (Query) geachtet) --- */
	if (window.location.search.indexOf("term=") != -1)
		{
		var searchString = window.location.search;
		searchString = searchString.split("term=");
		searchString = searchString[1].split("&");
		searchString = String(searchString[0]);
		words = unescape(searchString.replace(/\+/g,' ')).split(/\s+/);
    if(searchString.length > 0)
		  {
		  for (w=0; w < words.length; w++) 
			  {
			  fns_highlightWord(document.getElementsByTagName("body")[0],words[w]);
        }
			}
		}
	/* --- Array der verschiednenen Referer-Querys erstellen fuer das spaetere Highlighten der Suchbegriffe  --- */
  var refererQuery = new Array("p","q","qry","qery","query","search");
  /* --- Hightlighten mittels Referer --- */
	if (!document.createElement) return;
	ref = document.referrer;
	if (ref.indexOf('?') == -1) return;
	qs = ref.substr(ref.indexOf('?')+1);
	qsa = qs.split('&');
	for (i=0; i < qsa.length; i++) 
		{
		qsip = qsa[i].split('=');
	  if (qsip.length == 1) continue;
    /* --- Abhandlung Suchmaschinenreferer-Querys Start --- */
    for (var i = 0; i < refererQuery.length; i++)
      {
      if (qsip[0] == refererQuery[i])
        {
        words = unescape(qsip[1].replace(/\+/g,' ')).split(/\s+/);
        for (w=0; w < words.length; w++)
          {
          fns_highlightWord(document.getElementsByTagName("body")[0],words[w]);
          }
        }
      }
   /* --- Abhandlung Suchmaschinenreferer-Querys Ende --- */
    }
	}
/* --- Beim laden einer Seite starten --- */
window.onload = fns_hightlightTerm;

//-->