function chkagb() {
	var elmArray = [
		document.getElementById("anm_chkbedingungen"),
		document.getElementById("anm_chkabbuchung")
	];

	for (var i in elmArray) {
		if (elmArray[i].checked == false) {
			alert("Bitte AGB's akzeptieren");
			elmArray[i].focus();
			return false;
		}
	}
}