document.getElementById("37f2943bcaff1a0d4888cf11994cb3d4").innerHTML=' ';
document.write('<iframe width="480" height="639" allowtransparency="true" frameborder="0" scrolling="no" src ="https://www.gratis-kontaktformular.de/formContent.php?h=37f2943bcaff1a0d4888cf11994cb3d4&ref=" ></iframe>');