/* Copyright by componeo GmbH, Clemens Rath */


/* Seitenaufrufe in popup-Fenstern */
function goToSite(uri,windowName)
        {
		var msgWindow = 				window.open(uri,"external","toolbar=yes,menubar=yes,scrollbars=yes,resizable=yes");
		msgWindow.focus();
        }; 
		
/* benötigt die dhtml.js Bibliothek */
function change_footer(text) {
 if (!text) {
  text = "";
 }
 if(DHTML) {
   if(!NS) setCont("id","footer",null,text);
 }
 else return;
}

/* Mouseover */
function change(name, bild) 
{ 	
self.document[name].src=bild;
};

/* Seitenaufrufe in popup-Fenstern */
function neuesFenster(url,fenstername)
        {
		var msgWindow = 				window.open(url,fenstername,"toolbar=yes,menubar=no,scrollbars=yes,resizable=yes,width=760,height=600");
		msgWindow.focus();
        }; 


/* http://www.kryogenix.org/code/browser/searchhi/ */
/* Modified 20021006 to fix query string parsing and add case insensitivity */
/* Modified 20070316 to stop highlighting inside nosearchhi nodes */
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;
			// check if we're inside a "nosearchhi" zone
			checkn = pn;
			while (checkn.nodeType != 9 && 
			checkn.nodeName.toLowerCase() != 'body') { 
			// 9 = top of doc
				if (checkn.className.match(/\bnosearchhi\b/)) { return; }
				checkn = checkn.parentNode;
			}
			if (pn.className != "searchword") {
				// 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 = "searchword";
				hiword.appendChild(hiwordtext);
				pn.insertBefore(before,node);
				pn.insertBefore(hiword,node);
				pn.insertBefore(after,node);
				pn.removeChild(node);
			}
		}
	}
}

function googleSearchHighlight() {
	selfSearchHighlight();
	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;
        	if (qsip[0] == 'query') { // q= for Google, p= for Yahoo
			words = unescape(qsip[1].replace(/\+/g,' ')).split(/\s+/);
	                for (w=0;w<words.length;w++) {
					if (words[w]!="") {
						highlightWord(document.getElementsByTagName("body")[0],words[w]);
					}
                	}
	        }
	}
}

function selfSearchHighlight() {
	if (!document.createElement) return;
	ref = document.location.href;
	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;
        	if (qsip[0] == 'query') { // q= for Google, p= for Yahoo
			words = unescape(qsip[1].replace(/\+/g,' ')).split(/\s+/);
	                for (w=0;w<words.length;w++) {
				if (words[w]!="") {
					highlightWord(document.getElementsByTagName("body")[0],words[w]);
				}
                	}
	        }
	}
}

window.onload = googleSearchHighlight;