function formvalidation() {
	var ok = true;
	var fehler = 'Bitte vervollständigen Sie Ihre Angaben:\n\n';

	document.globe.user_name.style.background = '#FFFFFF';
	document.globe.user_vorname.style.background = '#FFFFFF';
	// document.globe.user_postfach.style.background = '#FFFFFF';
	document.globe.user_plz.style.background = '#FFFFFF';	
	document.globe.user_ort.style.background = '#FFFFFF';
	document.globe.user_email.style.background = '#FFFFFF';
	document.globe.user_kommentar.style.background = '#FFFFFF';
	document.globe.pfeil.style.visibility = 'hidden';
	
	if (document.globe.user_anrede[0].checked == false &&
		document.globe.user_anrede[1].checked == false) {
		document.globe.pfeil.style.visibility = 'visible';
		fehler = fehler + ' - Anrede\n';
		ok = false;
	}
	
	if (document.globe.user_vorname.value == '') {
		document.globe.user_vorname.style.background = '#FFAAAA';
		fehler = fehler + ' - Vorname\n';
		ok = false;
	}
	
	
	if (document.globe.user_name.value == '') {
		document.globe.user_name.style.background = '#FFAAAA';
		fehler = fehler + ' - Name\n';
		ok = false;
	}
	
	// if (document.globe.user_strasse.value == '' && document.globe.user_postfach.value == '') {
  if (document.globe.user_strasse.value == '') {
		document.globe.user_strasse.style.background = '#FFAAAA';
		// document.globe.user_postfach.style.background = '#FFAAAA';
		fehler = fehler + ' - Postfach/Strasse\n';
		ok = false;
	}

	
	
	if (document.globe.user_plz.value == '') {
		document.globe.user_plz.style.background = '#FFAAAA';
		fehler = fehler + ' - PLZ\n';
		ok = false;
	}
	
	
	if (document.globe.user_ort.value == '') {
		document.globe.user_ort.style.background = '#FFAAAA';
		fehler = fehler + ' - Ort\n';
		ok = false;
	}

	
	if (document.globe.user_email.value == '') {
		document.globe.user_email.style.background = '#FFAAAA';
		fehler = fehler + ' - Email\n';
		ok = false;
	}


	if(ok == false) {
		alert(fehler);
	}
	return ok;
}

function checkPostfach() {
	if (document.globe.user_postfach.value != '') {
		document.globe.user_strasse.style.background = '#BDBDBD';
		document.globe.user_strasse.value = '';
		document.globe.user_strasse.disabled = true;
		document.globe.user_strassenr.style.background = '#BDBDBD';
		document.globe.user_strassenr.value = '';
		document.globe.user_strassenr.disabled = true;
		document.globe.user_land.focus();
	} 	if (document.globe.user_postfach.value == ''){
			document.globe.user_strasse.style.background = '#FFFFFF'	
			document.globe.user_strasse.disabled = false;
			document.globe.user_strassenr.style.background = '#FFFFFF'
			document.globe.user_strassenr.disabled = false;	
			document.globe.user_strasse.focus();	  
	  	} 	
}

function checkLaenge(feldname,laenge,vorgehen) {
	var wert = document.getElementsByName(feldname)[0].value;
	var laenge_wert = wert.length;
	if (laenge_wert > laenge) {
		document.getElementsByName(feldname)[0].value = wert.substring(0,laenge);
		alert('Es sind maximal ' + laenge + ' Zeichen erlaubt');
	}
}

function checkAnrede() {
	if (document.globe.user_anrede[0].checked == true ||
		document.globe.user_anrede[1].checked == true) {
		document.globe.user_vorname.focus();
	}
}

// wenn kein Land ausgewählt ist dann andere Felder disabled --------------------------------------
function checkLandAuswahlK() {
	if (document.globe.user_land.value == ';;;;') {
		document.globe.user_plz.style.background = '#E6E6E6';
		document.globe.user_plz.disabled = true;
		document.globe.user_ort.style.background = '#E6E6E6';
		document.globe.user_ort.disabled = true;
		document.globe.user_telefonstadt.style.background = '#E6E6E6';
		document.globe.user_telefonstadt.disabled = true;
		document.globe.user_telefon.style.background = '#E6E6E6';
		document.globe.user_telefon.disabled = true;
		document.globe.user_faxstadt.style.background = '#E6E6E6';
		document.globe.user_faxstadt.disabled = true;
		document.globe.user_fax.style.background = '#E6E6E6';
		document.globe.user_fax.disabled = true;
	}
}

// macht obige Funktion rückgängig -------------------------------------------------------------------
function checkLandAuswahlKzurück() {
	if(document.globe.user_land.value != '') {
		document.globe.user_plz.style.background = '#FFFFFF';
		document.globe.user_plz.disabled = false;
		document.globe.user_ort.style.background = '#FFFFFF';
		document.globe.user_ort.disabled = false;
		document.globe.user_telefonstadt.style.background = '#FFFFFF';
		document.globe.user_telefonstadt.disabled = false;
		document.globe.user_telefon.style.background = '#FFFFFF';
		document.globe.user_telefon.disabled = false;
		document.globe.user_faxstadt.style.background = '#FFFFFF';
		document.globe.user_faxstadt.disabled = false;
		document.globe.user_fax.style.background = '#FFFFFF';
		document.globe.user_fax.disabled = false;
	}
}