function GetId(id_zm)
 {
    var id_x = false;
    if (typeof(document.getElementById) != 'undefined')
    {
       id_x=document.getElementById(id_zm);
    }
    else
    {
       if (typeof(document.all) != 'undefined')
       {
          id_x=document.all[id_zm];
       }
    }
    return id_x;
 }
 
 function dekode_htmlspecialchars(str_html)
 {
    var tmp_arr = Array();
    str_html = " " + str_html + " ";

    tmp_arr = str_html.split(''');
    str_html = tmp_arr.join('\'');
    delete tmp_arr;
    
    tmp_arr = str_html.split('"');
    str_html = tmp_arr.join('"');
    delete tmp_arr;

    tmp_arr = str_html.split('<');
    str_html = tmp_arr.join('<');
    delete tmp_arr;
    
    tmp_arr = str_html.split('&gt;');
    str_html = tmp_arr.join('>');
    delete tmp_arr;

    tmp_arr = str_html.split('&amp;');
    str_html = tmp_arr.join('&');
    delete tmp_arr;
    
    return str_html;
 }
 
 function ShowHiddenDiv()
 {
   var div_id = GetId('div_zapomialem_hasla');
   if (div_id)
   {
      if (div_id.style.display=='none') div_id.style.display='block';
         else div_id.style.display='none';
   }
 }