var tickerdiv = null;
var popupbox = null;
var popupbox_image = null;
var contentMinHeight = 370;

var news = new Array("Niemand kann Ihnen Ihren Selbstwert nehmen, wenn Sie ihn nicht hergeben",
                     "Sträuben Sie sich nicht gegen die Führung Ihrer Seele. Sie weiß am besten, was Sie glücklich und erfolgreich macht",
                     "Selbstsicher drücken Sie Ihre Einzigartigkeit auf die beste Weise aus",
                     "Jede positive Veränderung hat ihren Preis. Sind Sie bereit, ihn zu zahlen?",
                     "Es gibt keine Abkürzung auf dem Weg zur Kompetenz",
                     "Ihre Angst verschwindet, wenn Sie tun, wovor Sie Angst haben",
                     "Dankbarkeit lenkt den Focus auf Fülle, Neid auf Mangel",
                     "Nur wenn Sie eine Tätigkeit lieben, sind Sie darin wirklich gut",
                     "Zwei Kriterien zeigen, wo Ihr Talent liegt: Was Sie tun, fällt Ihnen leicht und macht Ihnen Freude");
var ticker_count = 0;
var newsmessage = null;
var animation_count = 0;
function startTicker() {
  if(tickerdiv) {
    newsmessage = news[ticker_count%news.length]; //loop
    //newsmessage = news[Math.floor(Math.random()*news.length)]; //random
    ++ticker_count;
    animation_count = 0;
    tickerdiv.innerHTML = "„ " + newsmessage + " “";
//tickerdiv.firstChild.data = newsmessage;
    tickeranimation2();

  }
}

function tickeranimation2() {
  if(animation_count > 100) window.setTimeout(startTicker, 8000);
  else {
    var opacity = animation_count/100;
    animation_count += 5;
    if(tickerdiv.style.opacity != undefined){
      tickerdiv.style.opacity = opacity;
    } else if( tickerdiv.style.MozOpacity != undefined){
      tickerdiv.style.MozOpacity = opacity;
    } else if ( tickerdiv.style.filter != undefined){
      tickerdiv.style.filter="alpha(opacity=" + Math.round(opacity * 100) + ")";
    }
    window.setTimeout(tickeranimation2, 50);
  }
}

var centerizeNodeToParent = function(t, p, s) {
  var offsetPosition = getElementPosition(p)
  if(!s || s=='h') t.style.left = ((p.offsetWidth - t.offsetWidth) / 2) + 'px';
  if(!s || s=='v') t.style.top = ((p.offsetHeight - t.offsetHeight) / 2) + 'px';
}

function getEpochTime(includeMiliseconds) {
  var d = new Date();
  return (includeMiliseconds)?d.getTime():((d.getTime()-d.getMilliseconds())/1000);
}

function getTime() {
  var d = new Date();
  return toSt2(d.getHours()) + ':' +
         toSt2(d.getMinutes()) + ':' +
         toSt2(d.getSeconds());
}

var getElementsByClassName = function(className, base) {
  if(!base) base = document;
  var nodeList = [];
  var e = base.getElementsByTagName('*');
  var r = new RegExp('(?:^|\\s+)' + className + '(?:\\s+|$)');
  for(var i = 0; i < e.length; i++) {
    var classes = e[i].className.split(' ');
    for(var q = 0; q < classes.length; q++) {
      if(r.test(superTrim(classes[q]))) {
        nodeList.push(e[i]);
      }
    }
  }
  return nodeList;
}

var superTrim = function(s) {
  return(s.replace(/\s+/g," ").replace(/\s+$/,"").replace(/^\s+/,""));
}

//including current node (descendant)
var getAncestorByClassName = function(descendant, className) {
  var limit = 5; //only upper 5 nodes
  do {
    if(containsClass(descendant, className)) return descendant;
    else if(descendant.parentNode) descendant = descendant.parentNode;
  } while(limit-- || descendant);
}

function setClass(node,className) {
    node.setAttribute("class", className);
    node.className = className;
}

function appendClass(node, className) {
  if(containsClass(node, className)) return;
  node.className = node.className + " " + className;
}

function removeClass(node, className) {
  if(!containsClass(node, className)) return;
  node.className = node.className.replace(className, "");
}

var containsClass = function(node, className) {
  var classNames = node.className.split(' ');
  for(var i = 0; i < classNames.length; i++) {
    if(superTrim(classNames[i]) == className) return true;
  }
  return false;
}

function setId(node,name) {
    node.setAttribute("id", name);
    node.id = name;
}

function setCookie(name, value, expires) {
  document.cookie = name + "=" + escape(value) + "; path=/" +
                    ((expires == null)?"":"; expires=" + expires.toGMTString());
}

function getCookie (name) {
    var dc = document.cookie;
    var cname = name + "=";

    if (dc.length > 0) {
      var begin = dc.indexOf(cname);
      if (begin != -1) {
        begin += cname.length;
        var end = dc.indexOf(";", begin);
        if (end == -1) end = dc.length;
        return unescape(dc.substring(begin, end));
        }
      }
    return null;
}


function delCookie(name) {
  document.cookie = name + "=; expires=Thu, 01-Jan-70 00:00:01 GMT" + "; path=/";
} 

var getElementPosition = function(e) {
  var x = 0, y = 0;
  do {
    x += e.offsetLeft;
    y += e.offsetTop;
    e = e.offsetParent;
  } while(e);
  return {x : x, y : y};
}

function oeffneInterview () {
	var fenster = window.open("/files/video/mdr.html", "Interview", "width=640, height=480, left=400, top=10, menubar=no, status=yes, scrollbars=no, resizable=no");
	fenster.focus();
}

function oeffneVideoBensheim () {
	var fenster = window.open("/php/fragmente/bensheim_video.html", "Vortragsausschnitt", "width=400, height=300, left=400, top=10, menubar=no, status=yes, scrollbars=no, resizable=no");
	fenster.focus();
}

function oeffneScreenshot (url) {
	var fenster = window.open(url, "Screenshot", "width=340, height=520, left=400, top=10, menubar=no, status=yes, scrollbars=no, resizable=no");
	fenster.focus();
}

function initGalleryImages() {

  var clickEvent = function(event) {
    var event = (event) ? event : window.event;
    var target = (event.target) ? event.target : event.srcElement;
    popupbox_image.src = target.src.replace(/_small/i,"_big");
    displaypopbox(true);
  }
  
  var cimages = getElementsByClassName("clickimage");
  
  popupbox.onclick = function() {
    displaypopbox(false);
  }
  
  for(var i = 0; i < cimages.length; i++) {
    cimages[i].onclick = clickEvent;
  }
}
    

function displaypopbox(yes) {  
  if(yes) {
    popupbox.style.display = "block";
  } else {
    popupbox_image.src = "";
    popupbox.style.display = "none";
  }
}

//calls init function of site-js
window.onload = function() {
  var content = document.getElementById("content");
  var bottom = document.getElementById("bottom");
  
  tickerdiv = document.getElementById("ticker");
  popupbox = document.getElementById("popupbox_wrapper");
  popupbox_image = popupbox.getElementsByTagName("img")[0];
  
  var pos = getElementPosition(bottom);
  startTicker();
  initGalleryImages();
  var extrabottomspace = 15;
  var minHeight = 13 + 145 + (1 + 6 + 21 + 1) + contentMinHeight + 13;
  window.onresize = function() {
    var windowHeight = document.documentElement.clientHeight;
    content.style.height = ((windowHeight>minHeight)?windowHeight-minHeight-extrabottomspace+contentMinHeight:contentMinHeight) + "px";
  }
  window.onresize();
  if(typeof init == 'function') init(); //this function might be defined in site specific scripts to init these.
}

/* Google */
var _gaq = _gaq || [];
_gaq.push(['_setAccount', 'UA-2163882-1']);
_gaq.push(['_setDomainName', 'none']);
_gaq.push(['_setAllowLinker', true]);
_gaq.push(['_trackPageview']);

(function() {
  var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
  ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
  var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
})();