function ajax (zahl)
{
 $("bar_text").innerHTML = $('update_ueber').value;
 var text = $('update_text').value;
var text_fertig = text.replace(/\n/g, '<br />');
 $("box_plane_1").innerHTML = text_fertig;
}

function bilder (bildnr)
{	

	var a = bildnr;
	if (a == 4 || a == 0)
	{
		a = 1;
	}
	
	$("picsv").src="pics/vorsch/"+ a +".jpg";
	a = a+1;
	var evalString="eval('bilder ("+a+")')";
	setTimeout(evalString, 3000);
}

function bigger ()
{
  var bildsrc = $("picsv").src;
  var bildnr = GetFileName(bildsrc);
  
  strUrl = "pics/vorsch/"+ bildnr +"_g.jpg";
  window.open(strUrl, "bild", "width=820, height=553");
}

function GetFileName(pfad)
{	
	var items = pfad.split("/");
	
	filename=items[items.length-1];
	ext=filename.split(".");
	filename=filename.replace("."+ext[ext.length-1],"");
	return filename;
}