var Index = 1;
var IndexPic = 1;





////////////////////////////////////////////////////////////////////////////////////////////////////////////

function nextPic( nummer)
{
  document.getElementById("pic_" + IndexPic).style.visibility = "hidden";
	document.getElementById("desc_" + IndexPic).style.visibility = "hidden";
	
	if( document.getElementById("imgThumb01"))
	{
		//document.getElementById("imgThumb0" + IndexPic).className = "imgThumb";
		
	  if( nummer == (-1) && IndexPic == 1)
	  {
	    IndexPic = maxPics + 1;
	  }
	  if( nummer == 1 && IndexPic == maxPics)
	  {
	    IndexPic = 1;
	  }
	  else
	  {
	    IndexPic = IndexPic + nummer;
	  }
	}
	else
	{
		//document.getElementById("numb" + IndexPic).style.color = "#808080";
		
		if( nummer == (-1) && IndexPic == 1)
	  {
	    IndexPic = maxPics + 1;
	  }
	  if( nummer == 1 && IndexPic == maxPics)
	  {
	    IndexPic = 1;
	  }
	  else
	  {
	    IndexPic = IndexPic + nummer;
	  }
	}
	
  document.getElementById("pic_" + IndexPic).style.visibility = "visible";
	document.getElementById("desc_" + IndexPic).style.visibility = "visible";
	
	

}