function doHighlight(bodyText, searchTerm, highlightStartTag, highlightEndTag) {
    var newText = '';
    var i = -1;
    var lcSearchTerm = searchTerm;
    var lcBodyText = bodyText;
        
    while (bodyText.length > 0) {
        i = lcBodyText.indexOf(lcSearchTerm, i+1);
        if (i < 0) {
            newText += bodyText;
            bodyText = '';
        } else {
            if (bodyText.lastIndexOf(">", i) >= bodyText.lastIndexOf("<", i)) {
                if (lcBodyText.lastIndexOf("/script>", i) >= lcBodyText.lastIndexOf("<script", i)) {
                newText += bodyText.substring(0, i) + highlightStartTag + bodyText.substr(i, searchTerm.length) + highlightEndTag;
                bodyText = bodyText.substr(i + searchTerm.length);
                lcBodyText = bodyText;
                i = -1;
                }
            }
        }
    }
    
    return newText;
}

function highlightSearchTerms(searchText, highlightStartTag, highlightEndTag) {
    searchArray = [searchText];
    
    if (!document.body || typeof(document.body.innerHTML) == "undefined") {
        return false;
    }
    
    var bodyText = document.body.innerHTML;
    for (var i = 0; i < searchArray.length; i++) {
        bodyText = doHighlight(bodyText, searchArray[i], highlightStartTag, highlightEndTag);
    }
    
    document.body.innerHTML = bodyText;
    return true;
}
function keyword_replace () {
    // mail
    highlightSearchTerms('email', '<a href="mailto:info@osceola.de" title="email" target="" class="modKeyWord">', '</a>');
    // mail
    highlightSearchTerms('Info at Osceola', '<a href="mailto:info@osceola.de" title="Info at Osceola" target="" class="modKeyWord">', '</a>');

}
window.onload=keyword_replace;