/* DHTML-Bibliothek */

var DHTML = false, DOM = false, MSIE4 = false, NS4 = false, OP = false;

if (document.getElementById) {
  DHTML = true;
  DOM = true;
} else {
  if (document.all) {
    DHTML = true;
    MSIE4 = true;
  } else {
    if (document.layers) {
      DHTML = true;
      NS4 = true;
    }
  }
}
if (navigator.userAgent.indexOf("Opera")!=-1) {
  OP = true;
}

function getElement (Mode, Identifier, ElementNumber) {
  var Element, ElementList;
  if (DOM) {
    if (Mode.toLowerCase() == "id") {
      Element = document.getElementById(Identifier);
      if (!Element) {
        Element = false;
      }
      return Element;
    }
    if (Mode.toLowerCase() == "name") {
      ElementList = document.getElementsByName(Identifier);
      Element = ElementList[ElementNumber];
      if (!Element) {
        Element = false;
      }
      return Element;
    }
    if (Mode.toLowerCase() == "tagname") {
      ElementList = document.getElementsByTagName(Identifier);
      Element = ElementList[ElementNumber];
      if (!Element) {
        Element = false;
      }
      return Element;
    }
    return false;
  }
  if (MSIE4) {
    if (Mode.toLowerCase() == "id" || Mode.toLowerCase() == "name") {
      Element = document.all(Identifier);
      if (!Element) {
        Element = false;
      }
      return Element;
    }
    if (Mode.toLowerCase() == "tagname") {
      ElementList = document.all.tags(Identifier);
      Element = ElementList[ElementNumber];
      if (!Element) {
        Element = false;
      }
      return Element;
    }
    return false;
  }
  if (NS4) {
    if (Mode.toLowerCase() == "id" || Mode.toLowerCase() == "name") {
      Element = document[Identifier];
      if (!Element) {
        Element = document.anchors[Identifier];
      }
      if (!Element) {
        Element = false;
      }
      return Element;
    }
    if (Mode.toLowerCase() == "layerindex") {
      Element = document.layers[Identifier];
      if (!Element) {
        Element = false;
      }
      return Element;
    }
    return false;
  }
  return false;
}

function getAttribute (Mode, Identifier, ElementNumber, AttributeName) {
  var Attribute;
  var Element = getElement(Mode, Identifier, ElementNumber);
  if (!Element) {
    return false;
  }
  if (DOM || MSIE4) {
    Attribute = Element.getAttribute(AttributeName);
    return Attribute;
  }
  if (NS4) {
    Attribute = Element[AttributeName]
    if (!Attribute) {
       Attribute = false;
    }
    return Attribute;
  }
  return false;
}

function getContent (Mode, Identifier, ElementNumber) {
  var Content;
  var Element = getElement(Mode, Identifier, ElementNumber);
  if (!Element) {
    return false;
  }
  if (DOM && Element.firstChild) {
    if (Element.firstChild.nodeType == 3) {
      Content = Element.firstChild.nodeValue;
    } else {
      Content = "";
    }
    return Content;
  }
  if (MSIE4) {
    Content = Element.innerText;
    return Content;
  }
  return false;
}

function setContent (Mode, Identifier, ElementNumber, Text) {
  var Element = getElement(Mode, Identifier, ElementNumber);
  if (!Element) {
    return false;
  }
  if (DOM && Element.firstChild) {
    Element.firstChild.nodeValue = Text;
    return true;
  }
  if (MSIE4) {
    Element.innerText = Text;
    return true;
  }
  if (NS4) {
    Element.document.open();
    Element.document.write(Text);
    Element.document.close();
    return true;
  }
  return false;
}

function externalLinks()
{
    if (!document.getElementsByTagName) return;

    var anchors = document.getElementsByTagName("a");

    for (var i=0; i<anchors.length; i++)
    {
        var anchor = anchors[i];
        if (anchor.getAttribute("href") && (anchor.getAttribute("rel") == "external" || anchor.getAttribute("rel") == "nofollow")) anchor.target = "_blank";
    }
}

var ssidx = 0;

function swap(ss,way,siz,rewID,fwdID)
{
	if (way == 1 && ssidx < (siz-4)) ssidx = ssidx + 1;
	if (way == -1 && ssidx > 0) ssidx = ssidx -1;

    if (ssidx == 0)    { invDiv(rewID); } else { showDiv(rewID); }
    if (ssidx < siz-4) { showDiv(fwdID); } else { invDiv(fwdID); }

	getElement('id','slot3_'+ss).innerHTML = getElement('id','pic'+ss+'_'+(ssidx+3)).innerHTML;
	getElement('id','slot2_'+ss).innerHTML = getElement('id','pic'+ss+'_'+(ssidx+2)).innerHTML;
	getElement('id','slot1_'+ss).innerHTML = getElement('id','pic'+ss+'_'+(ssidx+1)).innerHTML;
	getElement('id','slot0_'+ss).innerHTML = getElement('id','pic'+ss+'_'+(ssidx+0)).innerHTML;


    return false;
}

function showDiv(divID)
{
    getElement('id', divID).className='visDiv';
    return false;
}

function hideDiv(divID)
{
    getElement('id', divID).className='hidDiv';
    return false;
}

function invDiv(divID)
{
    getElement('id', divID).className='invDiv';
    return false;
}

function toggleDiv(divID)
{
    div = getElement('id', divID);

    if(div.className == 'visDiv')
    {
        div.className = 'hidDiv';
    }
    else
    {
        div.className = 'visDiv';
    }
    return false;
}

function inValidCharSet(str,charset)
{
    var result = true;
    for (var i=0;i<str.length;i++)
    if (charset.indexOf(str.substr(i,1))<0)
    {
        result = false;
        break;
    }
    return result;
}

function validateEmail(email)
{
    return (email=="E-Mail" || email.indexOf('.')==-1 || email.indexOf('@') < 1 || email.indexOf('@') > email.length-5 || email.indexOf('@') > email.lastIndexOf('.') || email.lastIndexOf('.') > email.length-3);
}

function winHeight()
{
    var windowHeight = 0;

    if (self.innerHeight)
    {
        windowHeight = self.innerHeight;
    }
    else if (document.documentElement && document.documentElement.clientHeight)
    {
        windowHeight = document.documentElement.clientHeight;
    }
    else if (document.body)
    {
        windowHeight = document.body.clientHeight;
    }

    return windowHeight;
}

function winWidth()
{
    var windowWidth = 0;

    if (self.innerWidth)
    {
        windowWidth = self.innerWidth;
    }
    else if (document.documentElement && document.documentElement.clientWidth)
    {
        windowWidth = document.documentElement.clientWidth;
    }
    else if (document.body)
    {
        windowWidth = document.body.clientWidth;
    }

    return windowWidth;
}


function checkKontaktForm()
{
    with(document.forms['kontakt'])
    {
        var err = "";

        if (j_Vorname.value=='') err = err + "Bitte geben Sie Ihren Vornamen an!\n";
        if (j_Nachname.value=='') err = err + "Bitte geben Sie Ihren Nachnamen an!\n";
        if (j_Email.value=='') { err = err + "Bitte geben Sie Ihre Emailadresse an!\n"; } else { if (validateEmail(j_Email.value)) err = err + "Bitte geben Sie Ihre korrekte Email-Adresse an!\n"; }
        if (!inValidCharSet(j_Telefon.value,'+-/ 0123456789')) err = err + "Bitte geben Sie Ihre Telefonnummer ohne Sonderzeichen an!\n";
        if (verification.value=="")         err = err + "Bitte geben Sie den Anti-SPAM Code ein!\n";

        if (err == "")
        {
            return true;
        }
        else
        {
            alert(err);
        }
    }

    return false;
}

function getWindowWidth(win)
{
    if (typeof(win) == 'undefined') win = window;

    if (win.innerWidth)
    {
        return win.innerWidth;
    }
    else
    {
        if (win.document.documentElement && win.document.documentElement.clientWidth)
        {
            return win.document.documentElement.clientWidth;
        }

        return win.document.body.offsetWidth;
    }
}

function setWindowWidth()
{
    var w = getWindowWidth();
    var ou = getElement('id', 'outer');
    if (w > 1244) ou.style.width = '1244px';
}

function setWindowHeight(el)
{
    var h = winHeight();
    var m = getElement('id','maske');
    var mh = ((h*1.0)-89);
    m.style.height= mh+'px';
    getElement('id', 'p'+el).style.paddingBottom = (mh-560 > 0 ? (mh-560)+'px': '560px');
    getElement('id', 'footr').style.top = (mh+63)+'px';
}