function $(id) { 
    return document.getElementById(id); 
} 
function changepg(id,pg) 
  {
    var xmlhttp = null; 
    // Mozilla 
    if (window.XMLHttpRequest) { 
        xmlhttp = new XMLHttpRequest(); 
    } 
    // IE 
    else if (window.ActiveXObject) { 
        xmlhttp = new ActiveXObject("Microsoft.XMLHTTP"); 
    } 
    
    xmlhttp.open("GET", 'media/inmedia.php?id='+id+'&seite='+pg, true); 
    xmlhttp.onreadystatechange = function() { 
        if(xmlhttp.readyState != 4) { 
            $('c1_pics').innerHTML = "<div id='laden'><img src='loading-indicator01.gif'> Inhalt wird geladen...</div>"; 
        } 
        if(xmlhttp.readyState == 4 && xmlhttp.status == 200) { 
            $('c1_pics').innerHTML = xmlhttp.responseText; 
        } 
    } 
    xmlhttp.send(null);
  }
function changemedia(id, nr) 
  {
    var xmlhttp = null; 
    // Mozilla 
    if (window.XMLHttpRequest) { 
        xmlhttp = new XMLHttpRequest(); 
    } 
    // IE 
    else if (window.ActiveXObject) { 
        xmlhttp = new ActiveXObject("Microsoft.XMLHTTP"); 
    } 
    
    xmlhttp.open("GET", 'media/inmedia.php?id='+id+'&foto='+nr, true); 
    xmlhttp.onreadystatechange = function() { 
        if(xmlhttp.readyState != 4) { 
            $('c1_pics').innerHTML = "<div id='laden'><img src='loading-indicator01.gif'> Inhalt wird geladen...</div>";
        } 
        if(xmlhttp.readyState == 4 && xmlhttp.status == 200) { 
            $('c1_pics').innerHTML = xmlhttp.responseText; 
        } 
    } 
    xmlhttp.send(null);
  }
function endmedia() 
  {
        document.getElementById('media').style.visibility = "hidden";
        document.getElementById('media_bg').style.visibility = "hidden";
    var object = document.getElementById('media_bg').style; 
    object.opacity = (0); 
    object.MozOpacity = (0); 
    object.KhtmlOpacity = (0); 
    object.filter = "alpha(opacity=0)";
  }

function laden(ImageArr)
  {
    for (i=0; i < ImageArr.length; i++) 
      {
        Bild[i] = new Image();
        Bild[i].src = ImageArr[i];
      }

for (i = 0; i < Bild.length; i++) {
loaded[i] = false
}

    check();
  }

function check()
  {
    var status = 0;
    for(i = 0; i < Bild.length; i++)
      {
        if(loaded[i]==false && Bild[i].complete) 
          {
            loaded[i]==true;
            status++;
          }
      }
    if(status != Bild.length)
      {
        setTimeout('check()',100);
      }
    else
      {
        setTimeout('start()',5000);
      }
  }

function start()
  {
    var object = document.getElementById('inhalt').style
    object.visibility="visible";
  }

function changemediaOpac(opacity) { 
    var object = document.getElementById('media_bg').style; 
    object.opacity = (opacity / 100); 
    object.MozOpacity = (opacity / 100); 
    object.KhtmlOpacity = (opacity / 100); 
    object.filter = "alpha(opacity=" + opacity + ")";
}