document.getElementById("4ff78c15433a20df1893394c2c91392b").innerHTML=' ';
document.write('<iframe id="iframe-4ff78c15433a20df1893394c2c91392b" width="528" height="555" allowtransparency="true"  style="border:none; overflow:hidden;" scrolling="no" src="https://www.gratis-kontaktformular.de/formContent2.php?h=4ff78c15433a20df1893394c2c91392b&ref=" ></iframe>');
var w = document.getElementById("4ff78c15433a20df1893394c2c91392b").parentElement.clientWidth;
var h;

if(w >= 992) {
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if(w < 992) {
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}
if(w < 768) {
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if(w < 576) {
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if(w < 420) {
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document.getElementById("iframe-4ff78c15433a20df1893394c2c91392b").style.width='100%';
document.getElementById("iframe-4ff78c15433a20df1893394c2c91392b").style.height=(h+100) + 'px';
const iframe = document.getElementById("iframe-4ff78c15433a20df1893394c2c91392b");
window.addEventListener('message', (e) => {
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}, false)