function getframerate() {
    return 0.5;
  }
  
  var noframepath="m1m-error.jpg";
//  var noframepath="/decor/m1m-error.jpg";
  var n=Math.floor(Math.random()*1000000);
  var session_id=Math.floor(Math.random()*1000000);
  var startn=n;
  var GetItOn=1;
  var framerate=1;
  var buffer= new Image();
  var aktiv=null;
  var db_enabled=0;
  var passiv=null;
  var current_refresh_method_nr = 0;
  
  function DoComplete() {
    if (db_enabled != 0) {
      if (db_enabled<0) {
        //document.CamPic.style.filter="";buffer.style.filter="alpha(opacity=70,style=0)";
        document.CamPic.style.display="";
        buffer.style.display="none";
      } else {
        //document.CamPic.style.filter="alpha(opacity=70,style=0)";buffer.style.filter="";
        buffer.style.display="";
        document.CamPic.style.display="none";
      }
      db_enabled*=-1;
    } else {
      document.CamPic.src = buffer.src;
    }
    GetItOn = 1;
    if (current_refresh_method_nr == 1 && framerate>0) {// Sync onload implementieren
      if (passiv==null)
        Animation();
    }
  }
  function LoadError()
  {
    if (db_enabled != 0) {
      db_enabled*=-1;
    } else {
      document.CamPic.src=noframepath;
    }
    GetItOn = 1;
    if (current_refresh_method_nr == 1 && framerate>0) // Sync onload Fehlerbehandlung
      passiv=setTimeout("passiv=null;Animation();",1000);
  }
  
  function setframerate() {
    framerate=getframerate();
    if (aktiv) {
      window.clearInterval(aktiv);
      aktiv = null;
    }
    document.CamPic.onerror=null;
    buffer.onerror=null;
    if (framerate<0) {
      if (current_refresh_method_nr == 2) { //  Stream ausschalten
        GetItOn=1; Animation();
      }
      return;
    }
    // Refresh Typen
    if (current_refresh_method_nr == 2) { //  Stream anschalten
      buffer.onload = null;
      buffer.onerror= null;
      document.CamPic.onload=null;
      // wg. Mozilla Bug # 42224 "Spontaner Abbruch des Streams"
      document.CamPic.onerror= function () {setTimeout("setframerate();",500) } ;
      document.CamPic.src = "/cgi-bin/faststream.jpg?stream=full&fps="+framerate+"&rand=" + String(n++);
      return;
    } else if (current_refresh_method_nr == 1) { // OnLoad synced
      session_id++;
      Animation();
      return;
    }
    aktiv=window.setInterval("Animation()",1000/framerate);
    GetItOn=1;	// auf alle Faelle anzeigen!
    Animation(); // und go...
  }
  function Animation()
  {
    var my_rm_nr=current_refresh_method_nr;
    var my_fr=framerate;
    var my_session=session_id;
  
    if (GetItOn == 1 || (my_rm_nr == 1 && my_fr>0))
      // Bild ist geladen und das naechste kann
    {	// angefordert werden.
      GetItOn = 0;
      if (db_enabled<0) {
        buffer.onerror=buffer.onload=null;
        document.CamPic.onerror= LoadError;
        document.CamPic.onload = DoComplete;
        if (my_rm_nr == 0)
  	document.CamPic.src = pic_url + "?imgprof=page&rand=" + String(n++);
        else
  	document.CamPic.src = pic_url + "?imgprof=page&sync="+my_fr+"&session="+my_session+"&rand="+String(n++);
      } else {
        document.CamPic.onerror=document.CamPic.onload=null
  	buffer.onerror= LoadError;
        buffer.onload = DoComplete;
        if (my_rm_nr == 0)
  	buffer.src = pic_url + "?imgprof=page&rand=" + String(n++);
        else
  	buffer.src = pic_url + "?imgprof=page&sync="+my_fr+"&session="+my_session+"&rand="+String(n++);
      }
    }
  }
  function animation_init() {
    if ( document.all
        && (navigator.platform.substr(0,3) != "Mac")
        && (document.CamPic.inserAdjacentHTML)
       ) {
      document.CamPic.insertAdjacentHTML("AfterEnd","<img border=0 style=\"display:none;\" name=dbbuffer><\/b>");
      buffer=document.dbbuffer;
      db_enabled=1;
    }
    setframerate();
  }
  
  function refreshMethod(new_value) {
    setframerate();
  }