function smajlik(smajlik) {
  document.forms['shoutbox'].elements['shout'].value=document.forms['shoutbox'].elements['shout'].value+smajlik;
    document.forms['shoutbox'].elements['shout'].focus();
}

function zobrazskryj(id){
  el=document.getElementById(id).style; 
  el.display=(el.display == 'block')?'none':'block';
}

function pocitadlo(field,count,max) {
if (field.value.length > max)
  field.value = field.value.substring(0, max);
else
  count.value = max - field.value.length;
}