var getArticleNumberAndPrices= function(articleId, variantId) {
  var myRequest = new Request.JSON({
    url : '/',
    onComplete : function(obj) {
      if(obj.status == 1){
        //console.debug(obj.data.articlenumber);
        $('artikelnummer'+articleId).set('text', obj.data.articlenumber);
        $('preis'+articleId).set('text', obj.data.netto);
        $('brutto'+articleId).set('text', obj.data.brutto);
      }
    }
  });
  myRequest.setHeader('module', 'Shopingo');
  myRequest.setHeader('event', 'getArticleNumberAndPrices');
  myRequest.setHeader('mod_resource_id', '1');
  myRequest.post('Shopingo[articleId]='+articleId+'&Shopingo[variantId]='+variantId);
}

window.addEvent('domready', function() {
  
  $$('select.variantenauflistung').each(function(element) {
    
    var variantId = element.get('value');
    var parent = element.getParent();
    var articleId = parent.get('id').replace('variantform','');
    $('variante'+articleId).set('value', variantId);
    getArticleNumberAndPrices(articleId, variantId);
    
    element.addEvent('change', function() {
      var variantId = element.get('value');
      var parent = element.getParent();
      var articleId = parent.get('id').replace('variantform','');
      $('variante'+articleId).set('value', variantId);
      getArticleNumberAndPrices(articleId, variantId);
    });
    
  });
  
});