/*
  open.js
*/
function grossbild (w, h, href)
{
  var bar = window.open(href, 'bla', 'left=' + Math.floor((screen.availWidth / 2) - (w / 2)) + ',top=' + Math.floor((screen.availHeight / 2) - (h / 2)) + ',width=' + w +',height=' + h);
  return false;
}