function select() {
	var pies = document.getElementById("kategorie_select");
	if(pies.value == '45' || pies.value == '44' || pies.value == '46' || pies.value == '47' || pies.value == '48' || pies.value == '51') {
		status = 'block';
	}
	else {
		status = 'none';
	}
	document.getElementById('hinp').style.display = status;
}