function getAdr(prefix, postfix, text) {
        document.write('<a href="mailto:' + prefix + '@' + postfix + '">' + (text ? text.replace(/&quot;/g, '"').replace(/%EMAIL%/, prefix + '@' + postfix) : prefix + '@' + postfix) + '</a>');
}

function swapImage(element, newimage) {
    var oldsrc = element.src
    element.src = newimage
    if (!element.onmouseout)
        element.onmouseout = function (event) { swapImage(this, oldsrc); };
}


/* Ändert die font-size des body Tags. D.h. alle Angaben die skaliert werden sollen müssen relativ (in %) angegeben werden */
var busywaiter = window.setInterval(function() {
    if (document.body) {
        window.clearInterval(busywaiter);
        var nameEQ = "fontsize=";
        var ca = document.cookie.split(';');
        for(var i=0; i < ca.length; i++) {
            var c = ca[i];
            while (c.charAt(0) == ' ') c = c.substring(1, c.length);
            if (c.indexOf(nameEQ) == 0) return document.body.style.fontSize = c.substring(nameEQ.length, c.length);
        }
    }
}, 10);

function changeFontSize(factor) {
    if (document.body.currentStyle)
        var fontsize = document.body.currentStyle['fontSize'];
    else if (window.getComputedStyle)
        var fontsize = document.defaultView.getComputedStyle(document.body, null).getPropertyValue('font-size');

    fontsize = /(\d+)(.+)/.exec(fontsize);
    document.body.style.fontSize = (parseInt(fontsize[1]) + factor) + fontsize[2];

    document.cookie = "fontsize=" + document.body.style.fontSize + "; path=/";
    
    setTimeout('document.getElementById(\'content\').innerHTML = document.getElementById(\'content\').innerHTML', 10);
}

function resetFontSize() {
    document.body.style.fontSize = '';
    document.cookie = "fontsize=;path=/";
    setTimeout('document.getElementById(\'content\').innerHTML = document.getElementById(\'content\').innerHTML', 10);
}



function init_contest() {
    if (document.getElementById('form_contest')) {
        var form_contest = document.getElementById('form_contest');
        var contest_answers = document.getElementById('section_contest_1').getElementsByTagName('INPUT');
        var contact_data = document.getElementById('section_contest_2');
        var contest_button = form_contest.getElementsByTagName('BUTTON')[0];

        for (i=0; i<contest_answers.length; i++) {
            contest_answers[i].onclick = function() {
                contact_data.style.display = 'block';
                contest_button.style.display = 'block';
            }
        }
    }
}





// deletes leading and trailing spaces in a string - adds the function directly to the String Object, so that all strings inherit this method
String.prototype.trim = function() {
    return this.replace(/(^\s*)|(\s*$)/g, '');
}

//checkEmail - needed for forms
function checkEmail(val) {
    if (val) {
        var usr = "([a-zA-Z0-9][a-zA-Z0-9_.-]*|\"([^\\\\\x80-\xff\015\012\"]|\\\\[^\x80-\xff])+\")";
        var domain = "([a-zA-Z0-9][a-zA-Z0-9._-]*\\.)*[a-zA-Z0-9][a-zA-Z0-9._-]*\\.[a-zA-Z]{2,5}";
        var regex = "^"+usr+"\@"+domain+"$";
        var myrxp = new RegExp(regex);
        var check = (myrxp.test(val));
        if (check!=true) {
            return false;
        }
        else {
            return true;
        }
    }
}

function validateForm(form,specialfields) {
    var errors = new Array();
    var fields = form.getElementsByTagName('span');
    for (i = 0; i < fields.length; i++) {
        var span = fields[i].getElementsByTagName('label')[0];
        if (span && span.firstChild) {
            var label = span.firstChild.data;
            label = label.trim();
            // if there is a '*' in the label - this indicates the inputfield has to be filled
            if (label.charAt(label.length - 1) == '*') {
                label = label.substring(0, label.length - 1).trim();
                // get the inputfield
                var obj_input = fields[i].getElementsByTagName('input');
                if (!obj_input[0])
                    obj_input = fields[i].getElementsByTagName('select');
                if (!obj_input[0])
                    obj_input = fields[i].getElementsByTagName('textarea');

                // if there is an inputfield
                if (obj_input && obj_input[0]) {
                    input = obj_input[0];
                    error = false;
                    
                    // check if the inputfield has a value
                    if (!input.value || input.value.trim().length==0) {
                        error = true;
                        errors.push(label + ' nicht eingegeben');
                    }
                    
                    // check the inputfield for special things (email, ...)
                    if (!error && specialfields[input.name]){
                        specialfield = specialfields[input.name];
                        for (check in specialfield){
                            check_function = specialfield[check].split(',')[0];
                            check_message = specialfield[check].split(',')[1];
                            if (!eval(check_function)(input.value)){
                                error = true;
                                errors.push(label + ' ' + check_message);
                            }
                        }
                    }

                    // on error give the label the className 'error' otherwise delete the className 'error' (if exists)
                    if (error) {
                        className = fields[i].className;
                        if (className.length>0){
                            className = className + ' ';
                        }
                        fields[i].className = className + 'error';
                    } else {
                            className = fields[i].className;
                        if (className.indexOf('error')>-1){
                                className = className.replace(' error', '');
                                className = className.replace('error', '');
                                fields[i].className = className;
                        }
                    }
                }
            }
        }
    }

    return errors;
}

myObjects = new Object();

function showFormErrors (errors, form) {
    error_message = '';
        if (form){
            $(form);
            error_message = '<h4>ACHTUNG: </h4><strong>Diese Felder müssen ausgefüllt werden:</strong><ul>';
            for (i=0;i<errors.length;i++){
                    error_message += '<li>' + errors[i] + '</li>';
            }
            error_message += '</ul>';
            if (!myObjects.errorDiv){
                myObjects.errorDiv = new Element('div', {'id':'formErrors'});
                myObjects.errorDiv.injectTop(form);
            }
            myObjects.errorDiv.innerHTML = error_message;
            location.href='#formErrors';
        }else{
            for (i=0;i<errors.length;i++){
                    error_message += errors[i] + '\n';
            }
            alert(error_message);
        }
}


function popup(url, typ, para1, width, height) {
    attrib = "";
    Y = (screen.height - width) / 2;
    X = (screen.width - height) / 2;
    X = Math.round(X);
    Y = Math.round(Y);
    if (para1 == 'CENTER') attrib += 'height=' + height + ',width=' + width + ',top=' + Y + ',left=' + X;
    if (typ == 'TYP1') attrib += ",scrollbars=no";
    if (typ == 'TYP2') attrib += ",scrollbars=yes";
    if (typ == 'TYP3') attrib += ",scrollbars=yes,menubar=yes";
    x = Math.random();
    fenster = window.open(url, 'win', attrib);
    return false;
}



var popupmenuoldonload = window.onload;
window.onload = function() {
    var nav = document.getElementById('nav');
    var uls = nav.getElementsByTagName('UL');
    for(var i = 0; i < uls.length; i++)
        new xMenu1(uls[i], 0, 'mouseover');
    if(popupmenuoldonload)
        popupmenuoldonload();

    //contest – Gewinnspiel
    init_contest();
}

function xMenu1(menu, mouseMargin, openEvent) {
    var isOpen = false;
        var oldover, oldout, aObj, aClassName, img;
    if (menu) {
        xAddEventListener(menu.parentNode, openEvent, onOpen, false);
        aObj = menu.parentNode.firstChild;
                aClassName = aObj.className;
                img = aObj.firstChild;
        if(img)
            if (img.onmouseover) {
                oldover = img.onmouseover;
                img.onmouseover = '';
            }
    }
    function onOpen() {
        if (!isOpen) {
            aObj.className = 'hover';
                        xShow(menu);
            HideSelects(xPageX(menu), xPageY(menu), xWidth(menu), xHeight(menu));
            xAddEventListener(document, 'mousemove', onMousemove, false);
            isOpen = true;
            if (oldover) {
                oldover.apply(img, arguments);
                if (!oldout)
                    oldout = img.onmouseout;
                img.onmouseout = function () { };
            }
        }
    }
    function onMousemove(ev) {
        var e = new xEvent(ev);
        contains = (xHasPoint(menu, e.pageX, e.pageY, -mouseMargin) || xHasPoint(menu.parentNode, e.pageX, e.pageY, -mouseMargin));
        if(!contains) {
            var submenus = menu.getElementsByTagName('UL');
            for(var i = 0; i < submenus.length; i++)
                if(xHasPoint(submenus[i], e.pageX, e.pageY, -mouseMargin)) {
                    contains = true;
                    break;
                }
        }
        if(!contains) {
                        aObj.className = aClassName;
            xHide(menu);
            HideSelects(0, 0, 0, 0);
            xRemoveEventListener(document, 'mousemove', onMousemove, false);
            isOpen = false;
            if (oldout)
                oldout.apply(img, arguments);
        }
    }
}

var sel;
function HideSelects(x,y,w,h) {
    if(xIE4Up && !xMac) {
        var selx, sely, selw, selh, i
        if(!sel)
            sel = document.getElementsByTagName("SELECT");
        for(i = 0; i < sel.length; i++) {
            selx = xPageX(sel[i]);
            sely = xPageY(sel[i]);
            selw = sel[i].offsetWidth;
            selh = sel[i].offsetHeight;
            sel[i].style.visibility = (selx + selw > x && selx < x + w && sely + selh > y && sely < y + h) ? "hidden" : "visible";
        }
    }
}
function ShowHide(layID) {
    var myLayer = document.getElementById(layID);
    if (myLayer.style.display=="none") {
        myLayer.style.display="";
        } else {
        myLayer.style.display="none";
    }
}

// BO Popup
function hideSelectBoxes(){
    selects = document.getElementsByTagName("select");
    for (i = 0; i != selects.length; i++) { selects[i].style.visibility = "hidden";}

    if(!window.ie)
        document.getElementById('content').style.overflow='hidden!important';
}

function showSelectBoxes(){
    selects = document.getElementsByTagName("select");
    for (i = 0; i != selects.length; i++) { selects[i].style.visibility = "visible";}

    if(!window.ie)
        document.getElementById('content').style.overflow='auto';
}

var popupOldOnResize = window.onresize;
var popupOldOnLoad = window.onload;
function showPopup(id, width, height, popupinnerHTML)
{
    hideSelectBoxes();
    if(document.getElementById('popup_background')) {
        objTemp = document.getElementById('popup_background');
    }
    else
    {
        objTemp = document.createElement("div");
        objTemp.id = 'popup_background';
        objTemp.style.visibility='hidden';
        objTemp.onclick=function() { }
    }

    if(objTemp.style.display != 'block')
    {
        objTemp.style.display='block';

        popupBackground = document.body.appendChild(objTemp);
        $(popupBackground).effects({duration:400,onComplete:function(){      $(popupBackground).effects({}).set({'opacity':[0.5]}); showPopupContent(id, width, height, popupinnerHTML);     }}).start({'opacity':[0,0.5]});
    }
    else
    {
        $(popupBackground).effects({duration:0,onComplete:function(){      $(popupBackground).effects({}).set({'opacity':[0.5]}); showPopupContent(id, width, height, popupinnerHTML);     }}).start({'opacity':[0.5,0.5]});
    }
}

function showPopupContent(id, width, height, popupinnerHTML)
{
    if(document.getElementById('popup_content')) {
        objTemp = document.getElementById('popup_content');
    }
    else
    {
        objTemp = document.createElement("div");
        objTemp.id = 'popup_content';
    }

    $('popup_background').onclick = function() { popupClose(); }

    if(popupinnerHTML == undefined)
        popupinnerHTML = '';

    objTemp.innerHTML= '<div id="popup_close"><a href="javascript:popupClose()"><span>X</span></a></div><div id="popup_text">' + document.getElementById(id).innerHTML + '' + popupinnerHTML + '</div>';

    if(width > 0 && height > 0) {
        objTemp.style.width=(width+30)+'px';
        objTemp.style.height=(height+20)+'px';
        objTemp.style.marginLeft='-' + Math.floor(width/2) +'px';
        objTemp.style.marginTop='-' + Math.floor(height/2) +'px';
    }

    objTemp.style.display='block';

    popupContent =  document.body.appendChild(objTemp);
}

function popupClose()
{
    popupContent = document.getElementById('popup_content');
    popupContent.style.display='none';

    popupBackground = document.getElementById('popup_background');
    $('popup_background').onclick = function() { }

    $(popupBackground).effects({duration:400,onComplete:function(){popupBackground.style.display='none'; showSelectBoxes();    }}).start({'opacity':[0.5,0]});
}
// EO Popup (div einblenden)



// contest-animation

    var contest_div_01;
    
    function init_contest_anim() {
        contest_div_01 = document.getElementById('contest_div_01');
        contest_div_01.style.display = 'block';
        fade_contest('fadein');
    }

    function fade_contest(fade_switch) {

        if (fade_switch=='fadein') {
            
            $('contest_div_01').effects({duration:4000,onComplete:function(){
                window.setTimeout("fade_contest('fadeout')", 4000);
            }}).start({'opacity':[0,1]});

        } else {

            $('contest_div_01').effects({duration:4000,onComplete:function(){
                window.setTimeout("fade_contest('fadein')", 4000);
            }}).start({'opacity':[1,0]});
        }

    }