function changeImg(imgName, imgSrc) {
        document[imgName].src = imgSrc;
        return true;
    }

    function resize_window() {
        document.getElementById('wrapper').style.height = parseInt( document.body.clientHeight) + 'px';
    }

    function noSpam() {
        var a = document.getElementsByTagName("a");
        for (var i = 0; i < a.length; i++) {
            if ( (a[i].href.search(/emailform\b/) != -1) && (a[i].className.search(/force_form\b/) == -1) ) {
                var nodes = a[i].childNodes;
                var email = '';
                for (var j = 0; j < nodes.length; j++) {
                        if (nodes[j].innerHTML) {
                            if (nodes[j].className.search(/caption/) == -1) {
                                email += nodes[j].innerHTML; 
                            }
                        } else {
                            email += nodes[j].data; 
                        }
                }
                email = email.replace(/\s/g, '.');
                email = email.replace(/∂/g, '@');
                // a[i].innerHTML = email;
                a[i].href = "mailto:" + email;
            }
        }
    }

    function remove_liststyle() {
        if (document.getElementById("right-row")) {
            var lis = document.getElementById("right-row").getElementsByTagName("li");
            for(i=0;i<lis.length;i++) {
                if (lis[i].firstChild.nodeName.toUpperCase() == 'A' ) {
                    lis[i].firstChild.style.backgroundImage = 'none';
                    lis[i].firstChild.style.paddingLeft ='0';
                }
            }
        }
    }
 
    function collapseFAQ() {
        spans = new Array();
        spans = document.getElementsByTagName("p");
        for(i=0; i<spans.length; i++) {
            if (spans[i].id == '') {
                if ((spans[i].className == 'faq_question') || (spans[i].className == 'faq_answer')) {
                    spans[i].id = 'FAQ'; // für IE
                    spans[i].setAttribute('name', 'FAQ'); // für FF
                }
            }
        }
        spans = document.getElementsByTagName("span");
        for(i=0; i<spans.length; i++) {
            if (spans[i].id == '') {
                if ((spans[i].className == 'faq_question') || (spans[i].className == 'faq_answer')) {
                    spans[i].id = 'FAQ'; // für IE
                    spans[i].setAttribute('name', 'FAQ'); // für FF
                }
            }
        }
        spans = document.getElementsByTagName("div");
        for(i=0; i<spans.length; i++) {
            if (spans[i].id == '') {
                if ((spans[i].className == 'faq_question') || (spans[i].className == 'faq_answer')) {
                    spans[i].id = 'FAQ'; // für IE
                    spans[i].setAttribute('name', 'FAQ'); // für FF
                }
            }
        }
        spans = document.getElementsByName("FAQ");
        var counter_question = 0;
        var counter_answer = 0;
        for(i=0; i<spans.length; i++) {
            if (spans[i].className == 'faq_question') {
                spans[i].id = 'faq_question_' + counter_question;
                counter_question++;
                spans[i].onclick = new Function("document.getElementById(this.id + '_answer').style.display = (document.getElementById(this.id + '_answer').style.display == 'none') ? 'block' : 'none';");
                spans[i].style.cursor = 'pointer';
            }
            if (spans[i].className == 'faq_answer') {
                spans[i].id = 'faq_question_' + counter_answer + '_answer';
                counter_answer++;
                spans[i].style.display = 'none';
            }
        }
    }