$(document).ready(function () {
  $('.newsteaser_clickable').click(function (event) {
    var 
      $a = $('.newsteaser_links').find('a'),
      href = $a.attr('href'),
      target = $a.attr('target');
    
      if (!target) {
        window.location.href = href;
      } else {
        window.open(href);
      }
  });
});