function init() {
 var i = 0;
 while(i != document.getElementsByName("menu").length) {
   document.getElementsByName("menu")[i].style.display = "none";
   i++;
 }
}

function get_screen() {
var width = screen.width;
var height = screen.height;
var color = screen.colorDepth;
if(width  != "" && height != "" && color != "") { document.cookie = "screen=" + width + "x" + height + "/" + color; }
}


var Aufrufzeit = new Date();
var Differenz = 0;

function get_time_start()
{
    var AktuelleZeit = new Date();
    Differenz = parseInt((AktuelleZeit.getTime() - Aufrufzeit.getTime()) / 1000);
    setTimeout("get_time_start()", 1000);
}

function online_time_save()
{
	var time_out = new Date();
	var one_day = new Date (time_out.getTime() + 30 * 60 * 1000);
    Differenz = String(Differenz);
    Webseite = document.URL.replace(/.*\\/,"");
    Webseite = Webseite.replace(/\./,"_");
    document.cookie = "online_time=" + Differenz + ";expires=" + one_day.toGMTString();
	//document.cookie = "website=" + Webseite + ";expires=" + one_day.toGMTString();
}



function show(id) {
switch(document.getElementById(id).style.display) {
   case "none":
     document.getElementById(id).style.display = "inline";
    break;
	case "inline":
	  document.getElementById(id).style.display = "none";
	break;
	default:
	  document.getElementById(id).style.display = "none";
	break;
 }
}


 function update() {
    var jetzt = new Date();
    var Jahr  = jetzt.getFullYear();
    var Monat = jetzt.getMonth();
    var Monatname = new Array("Januar", "Februar", "März", "April", "Mai", "Juni",
                      "Juli", "August", "September", "Oktober", "November", "Dezember");

    document.write('last update <br />'+ Jahr +'-'+Monatname[Monat]);
}

function copyrigth() {
      var jetzt = new Date();
      var Jahr = jetzt.getFullYear();
      document.write('©' + Jahr +' by Biky');
}

var win;
function win_open(bild,exp){
    win=window.open("galerie.php?z="+bild+"&exp="+exp,"Bildergalerie","width=800,height=640,resizeable=no,dependent=yes");
    win.moveTo(50,50);
}

var win;
function movi_open(movi){
    win=window.open("movi.php?m="+movi,"Moviboard","width=800,height=600,resizeable=no,dependent=yes");
    win.moveTo(50,50);
}

var win_link;
function link_open(link){
    win_link=window.open(link,"_blank","");
}

function ie() {
if (!window.Weite && document.body && document.body.offsetWidth) {
  window.onresize = neuAufbau;
  Weite = Fensterweite();
  Hoehe = Fensterhoehe();
}
}

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;
  }
}

function neuAufbau () {
  if (Weite != Fensterweite() || Hoehe != Fensterhoehe())
    location.href = location.href;
}


function chkFormular()
{
 if(document.Formular.name.value == "")  {
   alert("Bitte Deinen Namen eingeben!");
   document.Formular.name.focus();
   return false;
  }
  else {
   if(navigator.cookieEnabled == true) {
      document.cookie = "name="+ document.Formular.name.value;
   }
  }
 if(document.Formular.e_mail.value == "") {
   alert("Bitte gib Deine E-Mail-Adresse ein!");
   document.Formular.e_mail.focus();
   return false;
  }
 if((document.Formular.e_mail.value.indexOf('@') == -1) || (document.Formular.e_mail.value.indexOf('.') == -1)) {
   alert(" Das ist keine gültige E-Mail-Adresse! ");
   document.Formular.e_mail.value = "";
   document.Formular.e_mail.focus();
   return false;
  }
  else {
   if(navigator.cookieEnabled == true) {
      document.cookie = "e_mail="+ document.Formular.e_mail.value;
   }
  }
 if(document.Formular.text.value == "")  {
   alert("Bitte Text eingeben!");
   document.Formular.text.focus();
   return false;
  }
  if((document.Formular.text.value.indexOf('<') > 1) || (document.Formular.text.value.indexOf('>') > 1)) {
   alert("Bitte keine der folgenden Zeichen eingeben: < > !");
   document.Formular.text.focus();
   return false;
  }
}

function img_show(id) {
  document.getElementById(id).style.visibility = "visible";
  document.getElementById(id).style.display = "block";
  document.getElementById(id).style.left =  screen.availWidth / 2  - 355 + "px";
  document.getElementById(id).style.top =  screen.availHeight / 2  - 365 + "px";
  document.getElementById('transparent').style.visibility = "visible";
  document.getElementById('transparent').style.display = "block";
  document.getElementById('transparent').style.width =  screen.width - 30 + "px"; 
  document.getElementById('transparent').style.height =  screen.height - 50 + "px";
}

function img_hidde(id) {
  document.getElementById(id).style.visibility = "hidden";
  document.getElementById(id).style.display = "none";
  document.getElementById('transparent').style.visibility = "hidden";
  document.getElementById('transparent').style.display = "none";
}