function checkLogin(co) {
  options = {parameters : {mode : 'checklogin', value : co}, onSuccess : regLoginGood, method : 'get'};
  ajax = new Ajax.Request('/inc/ajax.php', options);
  // alert("Testuji hodnotu "+co);
}

function regLoginGood(response) {
  if (response.responseText == "used") {
    $('errlogin').innerHTML = "Tento login je již zabraný";
  }
  else {
    $('errlogin').innerHTML = " ";
  }
}

function paintRating(aid, amount) {
  for (i = 1; i <= 5; i++) {
    /*
       $(aid+i).src = '/csdr-work/images/hodnoceni_li_full.jpg';
       }
       for (i = amount + 1; i < 6; i++) {
       $(aid+i).src = '/csdr-work/images/hodnoceni_li_empty.jpg';
       }
     */
    if (i <= amount) {
      $(aid+'-'+i).setAttribute('src', '/images/hodnoceni_li_full.jpg');
    }
    else {
      $(aid+'-'+i).setAttribute('src', '/images/hodnoceni_li_empty.jpg');
    }
  }
}

function sendRating(a,b,c) {
  return true;
}
/*
function sendRating(aplace, aperson, arating) {
  options = { parameters : { mode: 'sendrating', place : aplace, person : aperson, rating : arating}, method : 'get'};
  ajax = new Ajax.Request("/csdr-work/ajax.php", options);
}
*/

function hideRating() {
  showRating(0);
}