function changeImg(image, imageIndex){
	document.images[imageIndex].src = image;
	return false;
}

function info(breite,hoehe,datei,fenstername,scrollbars) {
	var mittehorizontal=(screen.width-breite)/2;
	var mittevertikal=(screen.height-hoehe)/2;
	var eigenschaften="width="+breite+",height="+hoehe+",left="+mittehorizontal+",top="+ mittevertikal+",menubar=no, resizable=no, locationbar=no, statusbar=no, scrollbars="+scrollbars;
	window.open(datei,fenstername,eigenschaften);
}

function confirmwindow(question, gotourl){
	if(confirm(question)){
		top.location.replace(gotourl);
	}
}

function validateNewsletterShort(myform) {
	msg = "";
	if(myform.email.value==""){
		msg += myform.email_error.value+"\n";
	}else{
		if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,})+$/.test(myform.email.value)){
			//OK
		}else{
			msg += myform.email_error.value+"\n";
		}
	}
	if(msg!=""){
		alert(msg);
		return false;
	}
}

function validateNewsletter(myform) {
	msg = "";
	if(myform.vorname.value==""){
		msg += myform.vorname_error.value+"\n";
	}
	if(myform.nachname.value==""){
		msg += myform.nachname_error.value+"\n";
	}
	if(myform.email.value==""){
		msg += myform.email_error.value+"\n";
	}else{
		if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,})+$/.test(myform.email.value)){
			//OK
		}else{
			msg += myform.email_error.value+"\n";
		}
	}
	if(!myform.newsletter.checked){
		msg += myform.error_nlconfirm.value+"\n";
	}
	if(msg!=""){
		alert(msg);
		return false;
	}
}

function validateSuche(myform) {
	msg = "";
	if(myform.search.value==""){
		msg += myform.search_error.value+"\n";
	}
	if(msg!=""){
		alert(msg);
		return false;
	}
}

function validateKontakt(myform) {
	msg = "";
	if(myform.vorname.value==""){
		msg += myform.vorname_error.value+"\n";
	}
	if(myform.nachname.value==""){
		msg += myform.nachname_error.value+"\n";
	}
	if(myform.email.value==""){
		msg += myform.email_error.value+"\n";
	}else{
		if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,})+$/.test(myform.email.value)){
			//OK
		}else{
			msg += myform.email_error.value+"\n";
		}
	}
	if(myform.nachricht.value==""){
		msg += myform.nachricht_error.value+"\n";
	}
	if(msg!=""){
		alert(msg);
		return false;
	}
}

function validateKunden(myform) {
	msg = "";
	if(myform.vorname.value==""){
		msg += myform.vorname_error.value+"\n";
	}
	if(myform.nachname.value==""){
		msg += myform.nachname_error.value+"\n";
	}
	if(myform.email.value==""){
		msg += myform.email_error.value+"\n";
	}else{
		if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,})+$/.test(myform.email.value)){
			//OK
		}else{
			msg += myform.email_error.value+"\n";
		}
	}
	if(msg!=""){
		alert(msg);
		return false;
	}
}

function validateBestellung(myform) {
	msg = "";
	if(myform.vorname.value==""){
		msg += myform.vorname_error.value+"\n";
	}
	if(myform.nachname.value==""){
		msg += myform.nachname_error.value+"\n";
	}
	if(myform.email.value==""){
		msg += myform.email_error.value+"\n";
	}else{
		if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,})+$/.test(myform.email.value)){
			//OK
		}else{
			msg += myform.email_error.value+"\n";
		}
	}
	
	if(myform.strasse.value==""){
		msg += myform.strasse_error.value+"\n";
	}
	if(myform.plz.value==""){
		msg += myform.plz_error.value+"\n";
	}
	if(myform.ort.value==""){
		msg += myform.ort_error.value+"\n";
	}
	if(myform.tel.value==""){
		msg += myform.tel_error.value+"\n";
	}
	if(!myform.agb.checked){
		msg += myform.agb_error.value+"\n";
	}
	
	if(msg!=""){
		alert(msg);
		return false;
	}
}

function validateZahlung(myform){
	if(myform.vorname.value==""){
		msg += myform.vorname_error.value+"\n";
	}
	if(myform.nachname.value==""){
		msg += myform.nachname_error.value+"\n";
	}
	if(myform.cardnr.value==""){
		msg += myform.cardnr_error.value+"\n";
	}
	if(myform.cvc.value==""){
		msg += myform.cvc_error.value+"\n";
	}
}