var current_refresh_method_nr=0;
var refreshmethods_type=new Array(0,0,0,1,2);
var noframepath="http://85.126.79.100/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;

function openExtNoDeko(path,winname) {
	if ( path.search(/^!/) >= 0 ) {
		path=path.replace(/^!/,"");
		path=path+"?cachedummy="+Math.floor(Math.random()*1000000);
	}
	return window.open(path,winname,"scrollbars=yes,resizable=yes,width=722");
}

function goUserlevel()
{
	if (self.name == windowname_ext)
	{
		if (window.opener==null || window.opener.closed)
		// Kein Opener oder bereits geschlossen
	  	window.open("/control/userimage.html",windowname_home);
		else
			window.opener.focus();
   	self.window.close();
		return;
	}
	location.href="/control/userimage.html";
}

function getTextFensterX(breite) {
	var wString=",width="+breite;
	if (window.screenLeft)
		wString+=",left="+parseInt(screenLeft+document.body.offsetWidth/2-breite/2);
	else if (window.screenX)
		wString+=",screenX="+parseInt(screenX+outerWidth/2-breite/2);
	return wString;
}

function getTextFensterY(hoehe) {
	var wString=",height="+hoehe;
	if (window.screenTop)
		wString+=",top="+parseInt(screenTop+document.body.offsetHeight/2-hoehe/2);
	else if (window.screenY)
		wString+=",screenY="+parseInt(screenY+innerHeight/2-hoehe/2);
	return wString;
}

function open_camerainfo(prefix,evt) {
	var text="";
	if ( evt
			&& ( evt.shiftKey || evt.altKey || evt.CtrlKey ) ) {
		text="&text";
	}
	if (typeof prefix == "undefined")
		var prefix="";
	var wdh=window.open(prefix+"/control/camerainfo?rand="+Math.random()+text, windowname_info,
		"width=370,height=320,scrollbars=yes,resizable=yes");
	if (wdh) wdh.focus();
}

	function getframerate() {
		var obj=document.dkdk.recordmult;
		return obj.options[obj.selectedIndex].value;
	}

function refreshMethod(new_value) {
	if (refreshmethods_type[new_value]!=refreshmethods_type[current_refresh_method_nr]) {
		var url=location.href.split("?");
		location.href=url[0]+"?REFRESHMETHOD="+new_value;
	} else {
		current_refresh_method_nr=new_value;
		setframerate();
	}
}

function DoComplete()
{
	//debugmsg("DoComplete() buffer.src="+buffer.src);
	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();
		//else
			// Moz. ruft manchmal LoadError und DoComplete kurz hintereinander auf
			//debugmsg("timer for Animation() already started...");
	}
}
function LoadError()
{
	//debugmsg("LoadError:#"+(n-1)+"  db:"+db_enabled);
	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();
	//debugmsg("setframerate: aktiv="+aktiv+" rm="+current_refresh_method_nr+" fps="+framerate);
	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;
			//debugmsg("Animate:#"+n+" aktiv="+aktiv+" db:"+db_enabled);
			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 + "?rand=" + String(n++);
				else
					document.CamPic.src = pic_url + "?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 + "?rand=" + String(n++);
				else
					buffer.src = pic_url + "?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();
	}