function openOnlineCatalog()
{
	var location='http://medianotions.screenflip.de/catalogs/ABM/';
	var popup=window.open(location, 'online_brochure', 'location=no,menubar=no,toolbar=no,status=no,scrollbars=yes,resizable=yes');		
}

function openOnlineFlyer(location)
{
	var popup=window.open(location, 'online_brochure', 'location=no,menubar=no,toolbar=no,status=no,scrollbars=yes,resizable=yes');		
}

function openThumb(url, img)
{
	var popup=window.open(url+'?viewImage='+img, 'fenster1', 'width=638,height=478,status=no,scrollbars=no,resizable=no');
	popup.focus();			
}

function openGuidedTour(url)
{
	var popup=window.open(url, 'fenster1', 'width=640,height=495,status=no,scrollbars=no,resizable=no');
	popup.focus();			
}

function rnd(max)
{
	var rndNum = max * Math.random();
	rndNum = Math.ceil (rndNum);
	return rndNum;
}



// Fade-Funktionen

var nextPic=new Image();
var fadeChangeTime=4000;

function switchFadePic()
{	
	var nextPicNumber=rnd(10);
	var nextPicSrc="/assets/site/images/header_"+lang+"/header_"+nextPicNumber+".jpg";
	nextPic.src=nextPicSrc;
	
	nextPic.onload=function()
	{
		document.getElementById("header").style.backgroundImage="url("+nextPic.src+")"; 
		setTimeout("fadeOut('fadePic', 1)", fadeChangeTime);
	}
}

// Parameter festlegen
var fadeInTimer=new Array();
var fadeOutTimer=new Array();
var opacitiyProgress=new Array();
var opacitiyAvailable=true;
var opacity=0;
var opacityFull=1;
var fadeEnd=0;
var opacityZero=0;
var fadeInStep=0.05;
var fadeOutStep=0.01;
var stepTime=40;


function fadeIn(id, opacity)
{
	if(!opacitiyAvailable) return;
	
	clearTimeout(fadeOutTimer[id]);
	
	opacity=opacity+fadeInStep;
	opacitiyProgress[id]=opacity;
	
	setOpacitiy(id, opacity);
	
	if(opacity+fadeInStep<opacityFull) fadeInTimer[id]=setTimeout("fadeIn('"+id+"', "+opacitiyProgress[id]+")", stepTime);
	else 
	{
		setOpacitiy(id, opacityFull);
		opacitiyProgress[id]=opacityFull;

		document.getElementById('fadePic').src=nextPic.src;
		setOpacitiy('fadePic', 1);
		switchFadePic();
	}
}

function fadeOut(id, opacity)
{	
	if(!opacitiyAvailable) return;
	
	clearTimeout(fadeInTimer[id]);
	
	opacity=opacity-fadeOutStep;
	opacitiyProgress[id]=opacity;
	
	setOpacitiy(id, opacity);
	
	if(opacity-fadeOutStep>fadeEnd) fadeOutTimer[id]=setTimeout("fadeOut('"+id+"', "+opacitiyProgress[id]+")", stepTime);
	else
	{
		setOpacitiy(id, fadeEnd);
		opacitiyProgress[id]=fadeEnd;

		document.getElementById('fadePic').src=nextPic.src;
		setOpacitiy('fadePic', 1);
		switchFadePic();
	}
}

function getFadeOpacity(id)
{	
	if(!opacitiyAvailable) return;

	// überprüfen ob Tranparenz unterstützt wird
	if(document.getElementById(id).style.filter=="undefined" && document.getElementById(id).style.opacity=="undefined")
	{
		opacitiyAvailable=false;
		return;
	}
	else
	{		
		if(opacitiyProgress[id]) return opacitiyProgress[id];
		else return 0;
	}	
}

function setOpacitiy(id, opacity)
{
	if(document.all) document.getElementById(id).style.filter="Alpha(opacity="+opacity*100+")";
	else document.getElementById(id).style.opacity=opacity;
}