euro kalkulacka

<tr>
    <td width="308" height="277"><div id="left">
      <h3>EURO KALKULAČKA
        <script>

/* konfigurácia */
var kurz = 30.1260;
var maxCelychCisel = 10;
var maxDesatinnychCiselSkk = 2;
var maxDesatinnychCiselEur = 4;

function ibaCisla(text, max) {
  var cnt = text.length;
  var ret = '';
  var nemamBodku = true;
  var predBodkou = 0;
  var zaBodkou = 0;
  for (i=0;i<cnt;i++) {
    var znak = text.substring(i,i+1);
    if (znak == ',') {znak = '.';}
    if (znak >= '0' && znak <= '9') {
      // max. celych cisel
      if (nemamBodku) {
        if (predBodkou<maxCelychCisel) {
          ret = ret + znak;
          predBodkou++;
        }
      // max. desatinnych sicel;
      } else {
        if (zaBodkou<max) {
          ret = ret + znak;
          zaBodkou++;
        }
      }
    }
    if (znak == '.' && nemamBodku) {
      nemamBodku = false;
      ret = ret + znak;
    }
  }
  if (ret=='.') {ret = '';}
  return ret;
}

function writeCurr(skk, eur, event) {
  // filter specialnych klaves
  if ((event.keyCode>34 && event.keyCode<41)) {return;}
  if (skk == null) {
    eur = ibaCisla(eur,maxDesatinnychCiselEur);
    skk = (eur*kurz).toFixed(2)*1;
    if (skk == 0) {skk = '';}
  } else {
    skk = ibaCisla(skk,maxDesatinnychCiselSkk);
    eur = (skk/kurz).toFixed(maxDesatinnychCiselEur)*1;
    if (eur == 0) {eur = '';}
  }
  if (document.getElementById('inputSkk').value!=skk) {document.getElementById('inputSkk').value = skk;}
  if (document.getElementById('inputEur').value!=eur) {document.getElementById('inputEur').value = eur;}
}

</script>
</h3>
      <p style="margin: 0pt 0px 0px 0pt; font-weight: bold; font-size: 12px;">
  <span style="color: rgb(126, 122, 122);"> Konverzný kurz je 30.1260 SKK/EUR </span>
      <p style align="center">
    <img src="images/skk.gif" alt="SKK" width="22" height="14" align="center" style="margin: 2px 0px 0px 0px; float: left; display:block"/>
    <input type="text" name="skk" autocomplete="off" align="center" id="inputSkk" onkeyup="writeCurr(this.value, null, event);" style="display:block;text-align:center;width:80px;background:transparent url(/eurocalc/inputBg.gif) repeat-x scroll center top;border:1px solid #C7C8CA;font-size:10px;height:13px;height=18px;line-height:14px;padding-left:2px;padding-right:2px;" value="" />
    <br>
    <img src="images/eur.gif" alt="EUR" width="22" height="14" style="margin: 2px 0px 0px 0px; float: left; display: block;"/>

   <input type="text" name="eur" autocomplete="off" id="inputEur" onkeyup="writeCurr(null, this.value, event);" style="display:block;text-align:center;width:80px;background:transparent url(/eurocalc/inputBg.gif) repeat-x scroll center top;border:1px solid #C7C8CA;font-size:10px;height:13px;height=18px;line-height:14px;padding-left:2px;padding-right:2px;" value="" />     
   
      <br>
      </p>
<noscript>
  </form>
</noscript>

<script>
if (document.getElementById('inputSkk').offsetHeight == 13) {
  document.getElementById('inputSkk').style.height = '18px';
  document.getElementById('inputEur').style.height = '18px';
}
</script>&nbsp;</p>

// skript na eurokalkulačku
  var kurz = 30.1260;
  var maxCelychCisel = 10;
  var maxDesatinnychCiselSkk = 2;
  var maxDesatinnychCiselEur = 4;

  function ibaCisla(text, max) {
  var cnt = text.length;
  var ret = '';
  var nemamBodku = true;
  var predBodkou = 0;
  var zaBodkou = 0;
  for (i=0;i<cnt;i++) {
  var znak = text.substring(i,i+1);
  if (znak == ',') {znak = '.';}
  if (znak >= '0' && znak <= '9') {
  // max. celych cisel
  if (nemamBodku) {
  if (predBodkou<maxCelychCisel) {
  ret = ret + znak;
  predBodkou++;
  }
  // max. desatinnych sicel;
  } else {
  if (zaBodkou<max) {
  ret = ret + znak;
  zaBodkou++;
  }
  }
  }
  if (znak == '.' && nemamBodku) {
  nemamBodku = false;
  ret = ret + znak;
  }
  }
  if (ret=='.') {ret = '';}
  return ret;
  }
 
  function writeCurr(skk, eur, event) {
  // filter specialnych klaves
  if ((event.keyCode>34 && event.keyCode<41)) {return;}
  if (skk == null) {
  eur = ibaCisla(eur,maxDesatinnychCiselEur);
  skk = (eur*kurz).toFixed(2)*1;
  if (skk == 0) {skk = '';}
  } else {
  skk = ibaCisla(skk,maxDesatinnychCiselSkk);
  eur = (skk/kurz).toFixed(maxDesatinnychCiselEur)*1;
  if (eur == 0) {eur = '';}
  }
  if (document.getElementById('inputSkk').value!=skk) {document.getElementById('inputSkk').value = skk;}
  if (document.getElementById('inputEur').value!=eur) {document.getElementById('inputEur').value = eur;}
  }

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html><head><meta http-equiv="content-type" content="text/html; charset=windows-1250">
<title>Eurokalkulačka</title>
<script type="text/javascript" src="eurokalkulacka.js"></script>
<style type='text/css'><!--
body    { font-family:arial; }
h1      { margin:0; font-size:16px; text-align:center; }
input   { text-align:center;width:80px;background:#fdd;border:solid 1px #666;font-size:12px; }
.cel    { width:200px; background:#ccf; border:solid 1px #99c; padding:4px 4px 2px 4px; }
.blok   { color:#600;font-size:10px;text-align:center; }
.i_l    { float:left;font-size:12px;padding:2px; }
.i_r    { float:right; }
.cb     { clear:both; }
--></style></head>
<body style="font-family:arial">
  <div class='cel'>
    <h1>EURO KALKULAČKA</h1>
      <div class='blok'>Konverzný kurz<br><span style="color:#f00">30.1260</span> SKK/EUR</div>
      <div class='i_l'>Sk:</div>
      <div class='i_r'>
        <input type="text" name="skk" autocomplete="off" align="center" id="inputSkk" onkeyup="writeCurr(this.value, null, event);" value="" />
      </div>
      <div class='cb'></div>
      <div class='i_l'>Euro:</div>
      <div class='i_r'>
      <input type="text" name="eur" autocomplete="off" id="inputEur" onkeyup="writeCurr(null, this.value, event);" value="" />
      </div>
      <div class='cb'></div>
     
  </div>
</body>
</html>