/* http://www.kryogenix.org/code/browser/searchhi/ */

/* Modified  by webdesign.weisshart.de/  28.03.06*/



var ref = "";



function 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++) {

			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;

			klasse = "searchword"+w; // different colors for differnt searchterms



			if (pn.className != klasse) {

				// 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("em"); // modified from span to em



				hiword.className = klasse;

				hiword.appendChild(hiwordtext);

				pn.insertBefore(before,node);

				pn.insertBefore(hiword,node);

				pn.insertBefore(after,node);

				pn.removeChild(node);

			}

		}

	}

}



function Highlight() {

	if (!document.createElement) return;



	// added for site search

	if (window.location.search) ref = unescape(window.location.search);



	if (document.referrer.search(/google.+/) != -1 || document.referrer.search(/yahoo.+/) != -1 || document.referrer.search(/fireball.+/) != -1 ||document.referrer.search(/search\.msn.+/) != -1 ) {

		ref = decodeURI(document.referrer);

		if (ref.indexOf('?') == -1) return;

	}



	// for site search:

	// if your search file is not called suchen.*, you must modify the following line 2x! 

	if (document.referrer.search(/suchen.+/) != -1 && document.URL.indexOf("suchen") == -1 ) {

		ref = unescape(document.referrer);	

		if (window.location.search) ref = unescape(window.location.search);

	}



	//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 || qsip.length == 5) continue;

        	if (qsip[0] == 'q' || qsip[0] == 'query' ||qsip[0] == 'p' || qsip[0] == 's') { // q= for Google, p= for Yahoo, query= Fireball, s= for wordpress







			// words not to be highlighted:

			//qsip[1] = qsip[1].replace(/\"|\'|\*|;|\bfür\s*\b|\bvon\s*\b|\bnicht\s*\b|\bde.\s*\b|\bdie\s*\b|\bdas\s*\b|\bauf\s*\b|\beine+.\s*\b|\bein\s*\b|\bund\s*\b|\bwie\s*\b|\bkann\s*\b|\boder\s*\b|\bich\s*\b|\bman\s*\b|\bmit\s*\b|\ist\s*\b|Suchbegriff/gi,'');

			qsip[1] = qsip[1].replace(/\"|\'|-/gi,'');

                        if (document.URL.indexOf('blog') >= 1) qsip[1] = qsip[1].replace(/\d\d|\d/g,''); // 1/2-digit number in blogs

                        

			// remove all blanks and '+' before and after searchterm (bugfix: crashes FF & Op)

			qsip[1] = qsip[1].replace(/^(\s+|\++)/,'').replace(/(\++)$/,'').replace(/(\s+)$/,'');

			

			if (qsip[1] != '') {

			words = unescape(qsip[1].replace(/\+/g,' ')).split(/\s+/);

				for (w=0;w<words.length;w++) {

					if (words[w].length >= 3)



					highlightWord(document.getElementsByTagName("body")[0],words[w]);

                		}

			}

	        }

	}

}



window.onload = Highlight;