function MM_findObj(n, d) 
{ 
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}
function MM_swapImage() 
{ 
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
function MM_swapImgRestore() 
{ 
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() 
{ 
  var d=document; 
  if(d.images)
  { 
   if(!d.MM_p) d.MM_p=new Array();
    
   var i,j=d.MM_p.length,a=MM_preloadImages.arguments; 
   for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0)
    { 
     d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];
    }
   }
}


function hide(name)
{
 var e = document.getElementById(name);
 if(e.style.display == 'block') e.style.display = 'none';
}

function show(name)
{
 var e = document.getElementById(name);
 if(e.style.display == 'none') e.style.display = 'block';
}


var speed = 4000;
var pos = 1;
var posstart = 0;

function maslideshow ()
{

 if (!(document.images)) {return;}

 if(posstart)
 {
 
  document.teaserfoto1.src=fotos[pos-1];
 
  if (pos == fotos.length) { pos = 0; }
 
  document.teaserfoto2.style.opacity = 0;
  document.teaserfoto2.style.filter = "alpha(opacity=0)";
  document.teaserfoto2.src=fotos[pos++];
 
  function maslideshowfade(step) 
  {
   step = step || 0;

   document.teaserfoto2.style.opacity = step/100;
   document.teaserfoto2.style.filter = "alpha(opacity=" + step + ")"; // IE

   step = step + 2;

   if (step <= 100) 
   {
    setTimeout(function () { maslideshowfade(step); }, 1);
   }
  }
  
  
  //setTimeout("maslideshowfade();",speed); 
  maslideshowfade();

 }
 else posstart++;
 
 //maslideshow();
 setTimeout("maslideshow();",speed);
}




function poppos(name)
{

 var popdiv = document.getElementById(name);

 var viewportwidth;
 var viewportheight;
 var startpoint = 0;
 
 // the more standards compliant browsers (mozilla/netscape/opera/IE7) use window.innerWidth and window.innerHeight
 
 if (typeof window.innerWidth != 'undefined')
 {
      viewportwidth = window.innerWidth,
      viewportheight = window.innerHeight
 }
 
// IE6 in standards compliant mode (i.e. with a valid doctype as the first line in the document)

 else if (typeof document.documentElement != 'undefined'
     && typeof document.documentElement.clientWidth !=
     'undefined' && document.documentElement.clientWidth != 0)
 {
       viewportwidth = document.documentElement.clientWidth,
       viewportheight = document.documentElement.clientHeight
 }
 
 // older versions of IE
 
 else
 {
       viewportwidth = document.getElementsByTagName('body')[0].clientWidth,
       viewportheight = document.getElementsByTagName('body')[0].clientHeight
 }
 
 if(viewportheight > 490) {startpoint = (viewportheight/2) - 245;}

 popdiv.style.top = startpoint+'px';

}