document.getElementById("51fa16515d8636c105500c46f5d073d0").innerHTML=' ';
document.write('<iframe width="480" height="600" allowtransparency="true" frameborder="0" scrolling="no" src ="https://www.gratis-kontaktformular.de/formContent.php?h=51fa16515d8636c105500c46f5d073d0&ref=" ></iframe>');