if (document.images) 
{
	pfeilup     = new Image(); pfeilup.src="img/pfeil_up.gif";
	pfeilup_o   = new Image(); pfeilup_o.src="img/pfeil_up_over.gif";
	pfeildown   = new Image(); pfeildown.src="img/pfeil_down.gif";
	pfeildown_o = new Image(); pfeildown_o.src="img/pfeil_down_over.gif";
}

////////////////////////////////////onMouseOver
function scroll(imgName) 
{
   if (document.images) document[imgName].src = eval(imgName + "_o.src");
}     

function activ(imgName) 
{
	// get ImageNr from ImageName
	var nr = parseInt(imgName.slice(6))-1;
  if (document.images) 
  {
  	document[imgName].src = eval(imgName + "_o.src");
		document["bildgross"].src = pops[nr];
	}
}      

function out(imgName) 
{
   if (document.images)  document[imgName].src = eval(imgName + ".src");
}