function InitInfobox(){    

  var obj2;
  obj2 = document.getElementById('aktion_div');  
      if(obj2)
          obj2.style.display="block";
  
  var obj3;
  obj3 = document.getElementById('close_aktion');  
  obj3.onclick = function() {obj2.style.display="none"};


}



window.onload = window.onresize = Resize;

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];
    
    obj_content = document.getElementById('content');
    if (obj_content){
        obj_content.innerHTML = obj_content.innerHTML;
    }

    document.cookie = "fontsize=" + document.body.style.fontSize + "; path=/";
    return false;
}

function resetFontSize() {
    document.body.style.fontSize = '';
    obj_content = document.getElementById('content');
    if (obj_content){
        obj_content.innerHTML = obj_content.innerHTML;
    }
    document.cookie = "fontsize=;path=/";
    return false;
}

function open_function(url,width,height,options)
  {
    self.msgWindow = open(url,"Fenster","width=" + width + ",height=" + height
      + ",screenX=" + (screen.width-width)/2
      + ",screenY=" + (screen.height-height)/2
      + ",dependent=yes"
      + ",left=" + (screen.width-width)/2
      + ",top=" + (screen.height-height)/2
      + options
      );
    self.msgWindow.focus();
    if (self.msgWindow.opener == null) self.msgWindow.opener = self;

  }

/*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;
}*/

/*-- popup --*/

    function popup(url, width, height) {
        window.open(url, 'Popup', 'width=' + width + ', height=' + height + ',scrollbars=1');
        return false;
    }

function Fensterweite() {
  if (window.innerWidth) {
    return window.innerWidth;
  } else if (document.body && document.body.offsetWidth) {
    return document.body.offsetWidth;
  } else {
    return 0;
  }
}

function Fensterhoehe() {
  if (window.innerHeight) {
    return window.innerHeight;
  } else if (document.body && document.body.offsetHeight) {
    return document.body.offsetHeight;
  } else {
    return 0;
  }
}

//Seite aufgrund der Auflösung anpassen
function Resize() {

        obj_foto = document.getElementById('foto');
        obj_contentcontainer = document.getElementById('contentcontainer');
        obj_content = document.getElementById('content');
        obj_calcdiv = document.getElementById('calcdiv');

        if (Fensterweite() < 900 && !noresize) {
            if (obj_foto){obj_foto.style.width = '278px';}
            if (obj_contentcontainer){obj_contentcontainer.style.right = '290px';}

            if (obj_calcdiv){
                if (obj_foto) obj_foto.style.display = 'none';
                if (obj_contentcontainer && obj_foto) obj_contentcontainer.style.right = '12px';
                if (obj_content) obj_content.style.top = '40px';
            } 
        } else {
            if (obj_foto){obj_foto.style.width = '478px';}
            if (obj_contentcontainer && obj_foto){obj_contentcontainer.style.right = '490px';}

            if (obj_calcdiv){
                if (obj_foto) obj_foto.style.display = '';
                if (obj_contentcontainer) obj_contentcontainer.style.right = '290px';
                if (obj_content) obj_content.style.top = '20px';
            } 
        }

        obj_slogan = document.getElementById('slogan');
        if (Fensterweite() < 900) {
            if (obj_slogan) obj_slogan.src = '../common/images/slogan_800x600.gif';
        } else if ((Fensterweite() >= 900) && (Fensterweite() < 1100)) {
            if (obj_slogan) obj_slogan.src = '../common/images/slogan_1024x768.gif';
        } else {
            if (obj_slogan) obj_slogan.src = '../common/images/slogan.gif';
            
        }
        
        if(!fotoausrichtungErzwungen){
            if (Fensterhoehe() > 820) {
                if (obj_foto){obj_foto.style.backgroundPosition = 'center top';}
            } else {
                if (obj_foto){obj_foto.style.backgroundPosition = 'center center';}
            }
        }

        //Ebenen ausblenden
        var array = new Array('functions_fontsize','lageplan_loehnberg','lageplan_wiesbaden','author');
        var obj;
    
        if (Fensterweite() < 950) {
            for(i = 0; i < array.length; i++) {
                obj = document.getElementById(array[i])
                if(obj)
                    obj.style.display = 'none'
            }
        } else {
            for(i = 0; i < array.length; i++) {
                obj = document.getElementById(array[i])
                if(obj)
                    obj.style.display = ''
            }
        }
}



function OpenWindow(url, breite, hoehe, scrollbars, menue) {
    Y = (screen.height - hoehe) / 2;
    X = (screen.width - breite) / 2;
    window.open(url, 'w', 'height=' + hoehe + ',width=' + breite + ',top=' + Y + ',left=' + X + ',scrollbars=' + scrollbars + ',menu=' + menue + '');
}

/*-- spam protection --*/

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 getAdrClick(prefix, postfix, text) {
    return location.href='mailto:' + prefix + '@' + postfix;
}    
    
function getAdrPlain(prefix, postfix, text) {
    return prefix + '@' + postfix;
}   
   

function swapImage(element, newimage, direction) {
    var oldsrc = element.src
    element.src = newimage
    if (direction)
        element.onmouseover = function (event) { swapImage(this, oldsrc); }
    else
        element.onmouseout = function (event) { swapImage(this, oldsrc, 1); }
}

// Leerzeichen hinten und vorne bei einem String Objekt wegschneiden
function trim(string) {
    return string.replace(/^\s*|\s*$/,'');
}

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;
        }
    }
}

/*
validates formfields if they have a value or not
to check for other options do the following
specialfields = new Object();
specialfields.fieldname = new Object();
specialfields.fieldname.check1 = 'function_to_call,error_message';
specialfields.fieldname.check2 = 'second_function_to_call,second_error_message';
specialfields.another_fieldname = new Object();
specialfields.another_fieldname.check1 = 'function_to_call,error_message';
*/
function validateForm(form,specialfields) {
    var errors = new Array();
    var fields = form.getElementsByTagName('label');
    for (i = 0; i < fields.length; i++) {
        var span = fields[i].getElementsByTagName('span')[0];
        if (span) {
            var label = span.firstChild.data;
            label = trim(label)
            // if there is a '*' in the label - this indicates the inputfield has to be filled
            if (label.charAt(label.length - 1) == '*'){
                // 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 || trim(input.value).length==0) {
                        error = true;
                        errors.push(label.substring(0, label.length -1) + ' 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.substring(0, label.length -1) + 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;
}

function showFormErrors (errors) {
    error_message = '';
    for (i=0;i<errors.length;i++){
        error_message += errors[i] + '\n';
    }
    alert(error_message);
}