/* New from Rob Nitti, who credits 
* http://bytes.com/groups/javascript/145532-replace-french-characters-form-inp
* The code finds accented vowels and replaces them with their unaccented version. */
function stripVowelAccent(str) {
    var rExps = [/[\xC0-\xC2]/g, /[\xE0-\xE2]/g,
		/[\xC8-\xCA]/g, /[\xE8-\xEB]/g,
		/[\xCC-\xCE]/g, /[\xEC-\xEE]/g,
		/[\xD2-\xD4]/g, /[\xF2-\xF4]/g,
		/[\xD9-\xDB]/g, /[\xF9-\xFB]/g];

    var repChar = ['A', 'a', 'E', 'e', 'I', 'i', 'O', 'o', 'U', 'u'];

    for (var i = 0; i < rExps.length; ++i)
        str = str.replace(rExps[i], repChar[i]);

    return str;
}

/* Modification of */
/* http://www.kryogenix.org/code/browser/searchhi/ */
/* See: */
/*   http://www.tedpavlic.com/post_highlighting_search_results_with_ted_searchhi_javascript.php */
/*   http://www.tedpavlic.com/post_inpage_highlighting_example.php */
/* for additional modifications of this base code. */
function highlightWord(node, word, doc) {
    if (word.length < 2)
        return;
    doc = typeof (doc) != 'undefined' ? doc : document;
    // 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, doc);
        }
    }

    // And do this node itself
    if (node.nodeType == 3) { // text node
        tempNodeVal = stripVowelAccent(node.nodeValue.toLowerCase());
        tempWordVal = stripVowelAccent(word.toLowerCase());
        if (tempNodeVal.indexOf(tempWordVal) != -1) {
            pn = node.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 = doc.createTextNode(nv.substr(0, ni));
                docWordVal = nv.substr(ni, word.length);
                after = doc.createTextNode(nv.substr(ni + word.length));
                hiwordtext = doc.createTextNode(docWordVal);
                hiword = doc.createElement("span");
                hiword.className = "searchword";
                hiword.appendChild(hiwordtext);
                pn.insertBefore(before, node);
                pn.insertBefore(hiword, node);
                pn.insertBefore(after, node);
                pn.removeChild(node);
            }
        }
    }
}

function unhighlight(node) {
    // Iterate into this nodes childNodes
    if (node.hasChildNodes) {
        var hi_cn;
        for (hi_cn = 0; hi_cn < node.childNodes.length; hi_cn++) {
            unhighlight(node.childNodes[hi_cn]);
        }
    }

    // And do this node itself
    if (node.nodeType == 3) { // text node
        pn = node.parentNode;
        if (pn.className == "searchword") {
            prevSib = pn.previousSibling;
            nextSib = pn.nextSibling;
            nextSib.nodeValue = prevSib.nodeValue + node.nodeValue + nextSib.nodeValue;
            prevSib.nodeValue = '';
            node.nodeValue = '';
        }
    }
}

function localSearchHighlight(searchStr, body, doc) {
    doc = typeof (doc) != 'undefined' ? doc : document;
    body = typeof (body) != 'undefined' ? body : document.getElementsByTagName('body')[0];
    if (!doc.createElement) return;
    if (searchStr == '') return;
    // Trim leading and trailing spaces after unescaping
    searchstr = unescape(searchStr).replace(/^\s+|\s+$/g, "");
    if (searchStr == '') return;
    phrases = searchStr.replace(/\+/g, ' ').split(/\"/);
    // Use this next line if you would like to force the script to always
    // search for phrases. See below as well!!!
    //phrases = new Array(); phrases[0] = ''; phrases[1] = searchStr.replace(/\+/g,' ');
    for (p = 0; p < phrases.length; p++) {
        phrases[p] = unescape(phrases[p]).replace(/^\s+|\s+$/g, "");
        if (phrases[p] == '') continue;
        if (p % 2 == 0) words = phrases[p].replace(/([+,()]|%(29|28)|\W+(AND|OR)\W+)/g, ' ').split(/\s+/);
        else { words = Array(1); words[0] = phrases[p]; }
        for (w = 0; w < words.length; w++) {
            if (words[w] == '') continue;
            highlightWord(body, words[w], doc);
        }
    }
}
//my methode
function localSearchHighlightExact(searchStr, body, doc) {
    doc = typeof (doc) != 'undefined' ? doc : document;
    body = typeof (body) != 'undefined' ? body : document.getElementsByTagName('body')[0];
    if (!doc.createElement) return;
    if (searchStr == '') return;
    // Trim leading and trailing spaces after unescaping
    searchstr = unescape(searchStr).replace(/^\s+|\s+$/g, "");
    if (searchStr == '') return;
    highlightWord(body, searchStr, doc);
}

function HighLightTitle(searchStr) {
    var titles = document.getElementsByTagName("A");
    for (i = 0; i < titles.length; i++)
        if (titles[i].className == 'ArticleTitle')
            localSearchHighlight(searchStr, titles[i]);
}

function HighLightTitleExact(searchStr) {
    var titles = document.getElementsByTagName("A");
    for (i = 0; i < titles.length; i++) {
        if (titles[i].className == 'ArticleTitle')
            localSearchHighlightExact(searchStr, titles[i]);
    }
}
function HighLightContent(searchStr) {
    var titles = document.getElementsByTagName("DIV");
    for (i = 0; i < titles.length; i++)
        if (titles[i].className == 'PageText')
            localSearchHighlight(searchStr, titles[i]);
}
function HighLightContentExact(searchStr) {
    var titles = document.getElementsByTagName("DIV");
    for (i = 0; i < titles.length; i++) {
        if (titles[i].className == 'PageText')
            localSearchHighlightExact(searchStr, titles[i]);
    }
}