function checkForm() {
	if 	(
			document.getElementById("smallAds_name").value.length >= 1 &&
			document.getElementById("smallAds_zip_code").value.length >= 1 &&
			document.getElementById("smallAds_city").value.length >= 1 &&
			document.getElementById("smallAds_bankleitzahl").value.length >= 1 &&
			document.getElementById("smallAds_kontonummer").value.length >= 1 &&
			document.getElementById("smallAds_kontoinhaber").value.length >= 1 &&
			document.getElementById("smallAds_mail").value.length >= 1 &&
			document.getElementById("smallAds_agb").checked
		) {

		document.getElementById("smallAds_submit").disabled = false;

	}

	else {
		document.getElementById("smallAds_submit").disabled = true;
	}
}