function check_form_news() {

  if (document.news_form.newsTitle.value == "") {
    alert("Bitte Ihren Namen eingeben!");
    document.news_form.newsTitle.focus();
    return false;
  }
}

function open_HTML(URL, width, height) {
  bigPic = window.open(URL,'bigPic','width='+width+',height='+height+',innerWidth='+width+',innerHeight='+height+',scrollbars=no,hotkeys=yes,locationbar=no,menubar=no,resizable=no,scrolling=no,marginwidth=0,marginheight=0');
}