function show_hide_content(elem) {
      if (document.all) {  // IE
        var this_div = elem.srcElement;
      } else {
        var this_div = this;
      }

      var arr_all_divs = document.getElementsByTagName('div');
      for (var int_counter = 0; int_counter < arr_all_divs.length; int_counter++) {
        if (arr_all_divs[int_counter] == this_div) {
          next_div = arr_all_divs[int_counter + 1];
        }
      }

      if (next_div.style.display != 'block') {
        this_div.firstChild.data = 'TEXT AUS';
        next_div.style.display   = 'block';
      } else {
        this_div.firstChild.data = 'TEXT EIN';
        next_div.style.display   = 'none';
      }
    }

    function event_init() {
      var arr_all_divs = document.getElementsByTagName('div');
      for (var int_counter = 0; int_counter < arr_all_divs.length; int_counter++) {
        if (arr_all_divs[int_counter].className == 'toggleLink') {
          if (arr_all_divs[int_counter].addEventListener) {
            arr_all_divs[int_counter].addEventListener('click', show_hide_content, false);
          } else if (arr_all_divs[int_counter].attachEvent) {
            arr_all_divs[int_counter].attachEvent('onclick', show_hide_content);
          }
        }
        if (arr_all_divs[int_counter].className == 'toggleContent') {
          arr_all_divs[int_counter].style.display = 'block';
        }
      }
    }