var loadedNo = 0;
var h = 0;
var hstring = "";
var m = 0;
var mstring = "";
var s = 0;
var sstring = "";
var h1 = 0;
var h1old = -1;
var h2 = 0;
var h2old = -1;
var m1 = 0;
var m1old = 0;
var m2 = 0;
var m2old = 0;
var s1 = 0;
var s1old = 0;
var s2 = 0;
var s2old = 0;
var loch1 = 0;
var loch2 = 0;
var timestring = "";
var ImgNo = new Array(1);


function preloadImgNo () {

  var j = 0;
  while( j <= 9 ) {
    ImgNo[j] = new Image();
    ImgNo[j].src = "bilder/time/t"+j+".gif";
    j++;
  }

  loadedNo = 1;

}


function updateTime () {

  var now = new Date();

  // Stunden
  h = now.getUTCHours();
  // Stunden GMT
  if (h<10) {
    h1 = 0;
    h2 = h;
  } else {
    // String-Konvertierung
    hstring = h.toString();
    timestring = hstring.charAt(0);
    h1 = parseInt(timestring);
    timestring = hstring.charAt(1);
    h2 = parseInt(timestring);
  }
  // Stunden Local
  h = now.getHours();
  if (h>23) h = 0;
  if (h<10) {
    loch1 = 0;
    loch2 = h;
  } else {
    // String-Konvertierung
    hstring = h.toString();
    timestring = hstring.charAt(0);
    loch1 = parseInt(timestring);
    timestring = hstring.charAt(1);
    loch2 = parseInt(timestring);
  }

  // Minuten
  m = now.getUTCMinutes();
  if (m<10) {
    m1 = 0;
    m2 = m;
  } else {
    // String-Konvertierung
    mstring = m.toString();
    timestring = mstring.charAt(0);
    m1 = parseInt(timestring);
    timestring = mstring.charAt(1);
    m2 = parseInt(timestring);
  }

  // Sekunden
  //s = now.getUTCSeconds();
  //if (s<10) {
  //  s1 = 0;
  //  s2 = s;
  //} else {
    // String-Konvertierung
  //  sstring = s.toString();
  //  timestring = sstring.charAt(0);
  //  s1 = parseInt(timestring);
  //  timestring = sstring.charAt(1);
  //  s2 = parseInt(timestring);
  //}


  // --- Bilddaten austauschen
  if (loadedNo>0) {

    if (h1 != h1old) {
      imageChange('hou1','ImgNo['+h1+']');
      imageChange('lochou1','ImgNo['+loch1+']');
      h1old = h1;
    }
    if (h2 != h2old) {
      imageChange('hou2','ImgNo['+h2+']');
      imageChange('lochou2','ImgNo['+loch2+']');
      h2old = h2;
    }
    if (m1 != m1old) {
      imageChange('min1','ImgNo['+m1+']');
      imageChange('locmin1','ImgNo['+m1+']');
      m1old = m1;
    }
    if (m2 != m2old) {
      imageChange('min2','ImgNo['+m2+']');
      imageChange('locmin2','ImgNo['+m2+']');
      m2old = m2;
    }
    //if (s1 != s1old) {
    //  imageChange('sec1','ImgNo['+s1+']');
    //  imageChange('locsec1','ImgNo['+s1+']');
    //}
    //imageChange('sec2','ImgNo['+s2+']');
    //imageChange('locsec2','ImgNo['+s2+']');

  }


  setTimeout("updateTime()", 60000);


}