function checkOrderForm(formObj)
  {  
  // reset errors
    var label = formObj.getElementsByTagName('label');
    for(var i=0;i<label.length;i++)
    {
      label[i].className = label[i].className.replace(/error/g, '');
    }
    
    if(formObj.email.value != formObj.email_wdh.value)
    {
      setLabelError(formObj.email.id);
      setLabelError(formObj.email_wdh.id);
      alert(_form_error_email_same);
      formObj.email.focus();
      return false;            
    } else if(formObj.passwd.value != formObj.passwd_wdh.value){
      setLabelError(formObj.passwd.id);
      setLabelError(formObj.passwd_wdh.id);
      alert(_form_error_password);
      formObj.passwd.focus();
       return false;            
    } else {
      return true;
    }
      
    return false;
  }

// Gesamptpreis ausrechnen    
    function runde(x)
    {
      var e = Math.pow(10, 2);
      var k = (Math.round(x * e) / e).toString();
      if (k.indexOf('.') == -1) k += '.';
      k += e.toString().substring(1);
      return k.substring(0, k.indexOf('.') + 2+1);
    }
  function recalculate(mwst)
  {
    var summe = 0;
    var tags = d.getElementsByTagName('input');
    
    for(var i=0;i<tags.length;i++)
    {
      if((tags[i].type == 'radio' || tags[i].type == 'checkbox') && tags[i].name == 'betrag[]')
      {
        if(tags[i].checked == true)
        {
          summe += parseInt(tags[i].value);
        }
      }
    }

    var ends = Number(summe); 
    if($('discount').style.display == 'block') ends += discount(ends, parseInt($('dc').innerHTML), $('dcv').innerHTML);
    var mw = Number(runde((ends/100)*mwst));
        ends = ends + mw;


    $('zs').innerHTML = String(runde(summe)).replace(/\./, ',');
    $('ms').innerHTML = String(runde(mw)).replace(/\./, ',');
    $('s').innerHTML  = String(runde(ends)).replace(/\./, ',');
  }

  function discount(summe, d, t)
  {
    if(t == '%')
    {
      return Number(runde(summe / 100 * d));
    } else return Number(d);
  }

  function checkDiscountCode(code, mwst, saler)
  {
    if(code != '' && code != 'Gutscheincode')
    {
      new Ajax.Request(baseURL + '/ajax.php?do=code&code=' + code + '&saler=' + saler, {
        method: 'get',
        onSuccess: function(transport) {
          var r = transport.responseText;
          if(r == 0) $('codeInfo').innerHTML = _error_gutschein;
          else {     
            var v = r.split('|');
            $('codeInfo').innerHTML = '';
            $('dc').innerHTML = '-' + parseInt(v[0]) + ',00';
            $('dcv').innerHTML = v[1];
            $('discount').style.display = 'block';
            recalculate(mwst);
            $('dcode').readOnly = true;
            $('dcode').onblur = function() { return true; };
            $('dcode').onfocus = function() { return true; };
          }
        }
      });
    }
  }