// JavaScript Document




function oeffnefenster (url) {
  var screen_width=screen.width;
  var lefts;
  lefts=(screen_width-900)/2;
  fenster = window.open(url, "fenster1", "left="+lefts+",width=900,height=700,locationbar=no,personalbar=no,toolbar=no,status=no,scrollbars=yes,resizable=yes");
  fenster.focus();
}

function oeffnefenster2 (url) {
  var screen_width=screen.width;
  var screen_height=screen.height;
  var lefts;
  var heights;
  lefts=(screen_width-750)/2;
  heights=(screen_height-440)/2;
  fenster = window.open(url, "fenster1", "left="+lefts+",top="+heights+",width=750,height=440,locationbar=no,personalbar=no,toolbar=no,status=no,scrollbars=yes,resizable=yes");
  fenster.focus();
}


function oeffnefenster3 (url) {
  var screen_width=screen.width;
  var screen_height=screen.height;
  var lefts;
  var heights;
  lefts=(screen_width-450)/2;
  heights=(screen_height-60)/2;
  fenster = window.open(url, "fenster1", "left="+lefts+",top="+heights+",width=450,height=60,locationbar=no,personalbar=no,toolbar=no,status=no,scrollbars=yes,resizable=yes");
  fenster.focus();
}