function warenkorb_aktualisieren(id)
{
  return confirm("Wollen Sie " + document.getElementsByTagName("form")[id].count.value + " Stück " + document.getElementsByTagName("form")[id].pname.value + " in Ihren Wahrenkorb legen?");
}

function winopen(uri)
{
  return GotoLink(uri,"extern");
}

function GotoLink(link, frame, options) {
  if (frame.length) {
    var hasFrame = false;
    for(i = 0; i < parent.frames.length; i++) {
      if (parent.frames[i].name == frame) {
        hasFrame = true;
        break;
      }
    }
    if (hasFrame == true)
      parent.frames[frame].location = link;
    else {
      var opt = "";
      if (options && options.length) {
        opt = options;
      }
      var win = window.open(link, frame, opt);
      if (win)
        win.focus();
    }
  }
  else
    location = link;
  return ClickReturn();
}

function ClickReturn () {
  var bAgent = window.navigator.userAgent;
  var bAppName = window.navigator.appName;
  if ((bAppName.indexOf("Explorer") >= 0)
      && (bAgent.indexOf("Mozilla/3") >= 0)
      && (bAgent.indexOf("Mac") >= 0))
    return true; /* dont follow link */
  else return false; /* dont follow link */
}