function setdiv() {
  document.getElementById('scrollbar').style.width = document.body.offsetWidth*0.2; //5
  document.getElementById('track').style.width = document.body.offsetWidth*0.2-20; //25
  document.getElementById('scr_outer').style.width = document.body.offsetWidth-5-38; //5
  document.getElementById('wn3').style.width = document.body.offsetWidth-7-38; //7
}
function visible (artname, artdesc) {
  document.getElementById(artname).style.visibility = "visible";
  document.getElementById(artdesc).style.visibility = "visible";
}
function hide(artname, artdesc) {
  document.getElementById(artname).style.visibility = "hidden";
  document.getElementById(artdesc).style.visibility = "hidden";
}

function zahlungchange() {
	if(document.getElementById('zahlungsform').value == 'Vorkasse'){
		document.getElementById('vorkassespan').style.visibility = "visible";
		document.getElementById('lastschriftspan').style.visibility = "hidden";
	}
	if(document.getElementById('zahlungsform').value == 'Lastschrift'){
		document.getElementById('vorkassespan').style.visibility = "hidden";
		document.getElementById('lastschriftspan').style.visibility = "visible";
	}
}
function owind (href, width, height) {
  anderrottwindow = window.open(href, "anderrott", "width="+width+",height="+height+",scrollbars=yes");
  anderrottwindow.focus();
}