if (document.getElementById("pbox1")) {

var curr_ind = 1;

var timer = window.setInterval("rotate_feature()", 10000);

var speed=2; // Geschwindigkeit der Überblendung (1 = schoen weich und langsam - 30 = sehr schnell)
var einblenddauer=30; // Wie lange soll das DIV eingeblendet stehen bleiben?
var pause=20; // Wie lange soll zwischen 2 DIVs pausiert werden?

var go=1;
var zaehler=100;

function fadeIn(objId,opacity) 
{
	if (document.getElementById) 
	{
  		obj = document.getElementById(objId);
  		if (opacity < 100) 
		{
   			opacity += speed*3;
			if (opacity>100) opacity=100;
   			setOpacity(obj, opacity);
   			window.setTimeout("fadeIn('"+objId+"',"+opacity+")", 70);
  		}
		else return;
 	}
}

function fadeOut(objId,opacity) 
{
 if (document.getElementById) 
 {
  	obj = document.getElementById(objId);
  	if (opacity > 20) 
	{
   		opacity -= speed*3;
		if (opacity<0) opacity=0;
   		setOpacity(obj, opacity);
   		window.setTimeout("fadeOut('"+objId+"',"+opacity+")", 70);
  	}
	else {
    document.getElementById("pbi"+curr_ind).src = "images/pbi"+curr_ind+"n.jpg";
    curr_ind++;
    if (curr_ind == 5) {
      curr_ind = 1;
    }
    document.getElementById("pbi"+curr_ind).src = "images/pbi"+curr_ind+".jpg";
    setOpacity(document.getElementById("pbox"+curr_ind), 10);
    document.getElementById("pbox"+curr_ind).style.display="";
	  obj.style.display = "none";  
    fadeIn("pbox"+curr_ind,20);
    return;
  }
 }
}

function setOpacity(obj, opacity) {
 opacity = (opacity == 100)?99.999:opacity; // IE/Win
 obj.style.filter = "alpha(opacity:"+opacity+")"; // Safari<1.2, Konqueror
 obj.style.KHTMLOpacity = opacity/100;  // Older Mozilla and Firefox
 obj.style.MozOpacity = opacity/100; // Safari 1.2, newer Firefox and Mozilla, CSS3
 obj.style.opacity = opacity/100;
}


function rotate_feature()
{
  fadeOut("pbox"+curr_ind,100);
}


function show_feature(id)
{
  window.clearInterval(timer);
  for (i=1; i<=4; i++) {
    if (document.getElementById("pbox"+i)) {
      document.getElementById("pbox"+i).style.display = "none";
    } 
    if (document.getElementById("pbi"+i)) {
      document.getElementById("pbi"+i).src = "images/pbi"+i+"n.jpg";
    } 
  }
  
  setOpacity(document.getElementById("pbox"+id), 100);
  document.getElementById("pbox"+id).style.display = "";
  document.getElementById("pbi"+id).src = "images/pbi"+id+".jpg";
  curr_ind = parseInt(id);
  timer = window.setInterval("rotate_feature()", 10000);
}
show_feature('1');

}