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

function mp3(breite,hoehe,datei,fenstername,scrollbars) {
		var mittehorizontal=(screen.width-breite-10);
		var mittevertikal=(screen.height-hoehe-74);
		var eigenschaften="width="+breite+",height="+hoehe+",left="+mittehorizontal+",top="+ mittevertikal;
		window.open(datei,fenstername,eigenschaften);
}

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=yes, locationbar=no, statusbar=no, scrollbars="+scrollbars;
	window.open(datei,fenstername,eigenschaften);
}

function validateSchulung(myform) {
	msg = "";
	if(myform.vorname.value==""){
		msg += "Please enter your first name.\n";
	}
	if(myform.nachname.value==""){
		msg += "Please enter your sure name.\n";
	}
	if(myform.firma.value==""){
		msg += "Please enter your company name.\n";
	}
	if(myform.strasse.value==""){
		msg += "Please enter your address.\n";
	}
	if(myform.plz.value==""){
		msg += "Please enter your post code.\n";
	}
	if(myform.ort.value==""){
		msg += "Please enter your city.\n";
	}
	if(myform.land.value==""){
		msg += "Please enter your country.\n";
	}
	if(myform.telefon.value==""){
		msg += "Please enter your phone number.\n";
	}
	if(myform.email.value==""){
		msg += "Please enter your e-mail address.\n";
	}else{
		if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(myform.email.value)){
			//OK
		}else{
			msg += "Please enter your valid e-mail address.\n";
		}
	}
	if(myform.reservierung.options[1].selected == true){
		if(myform.von.value=="" || myform.von.value=="0000-00-00"){
			msg += "Please enter your arrival date.\n";
		}
		if(myform.bis.value=="" || myform.bis.value=="0000-00-00"){
			msg += "Please enter your departure date.\n";
		}
		if(myform.personen.value=="" || myform.personen.value=="0"){
			msg += "Please enter the number of people.\n";
		}
	}
	if(msg!=""){
		alert(msg);
		return false;
	}
}

function validateBestellung(myform) {
	msg = "";
	if(myform.vorname.value==""){
		msg += "Bitte geben Sie Ihren Vornamen ein.\n";
	}
	if(myform.nachname.value==""){
		msg += "Bitte geben Sie Ihren Nachnamen ein.\n";
	}
	if(myform.firma.value==""){
		msg += "Bitte geben Sie den Namen Ihrer Firma ein.\n";
	}
	if(myform.strasse.value==""){
		msg += "Bitte geben Sie Ihre Adresse ein.\n";
	}
	if(myform.plz.value==""){
		msg += "Bitte geben Sie Ihre Postleitzahl ein.\n";
	}
	if(myform.ort.value==""){
		msg += "Bitte geben Sie einen Ort ein.\n";
	}
	if(myform.land.value==""){
		msg += "Bitte geben Sie ein Land ein.\n";
	}
	if(myform.email.value==""){
		msg += "Bitte geben Sie Ihre E-Mailadresse ein.\n";
	}else{
		if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(myform.email.value)){
			//OK
		}else{
			msg += "Bitte geben Sie Ihre korrekte E-Mailadresse ein.\n";
		}
	}
	if(myform.seriennr.value==""){
		msg += "Bitte geben Sie ein Seriennummer ein.\n";
	}
	if(myform.systemmod.value==""){
		msg += "Bitte geben Sie ein Systemmodell ein.\n";
	}
	if(!myform.bbestaetigung.checked){
		msg += "Ihre Bestätigun ist erforderlich.\n";
	}
	if(!myform.bagb.checked){
		msg += "Bestätigen Sie bitte die gelesenen AGBs.\n";
	}
	
	if(msg!=""){
		alert(msg);
		return false;
	}
}

function validateNewLogin(myform) {
	msg = "";
	if(myform.vorname.value==""){
		msg += "Please enter your first name.\n";
	}
	if(myform.nachname.value==""){
		msg += "Please enter your sure name.\n";
	}
	if(myform.firma.value==""){
		msg += "Please enter your company name.\n";
	}
	if(myform.strasse.value==""){
		msg += "Please enter your address.\n";
	}
	if(myform.plz.value==""){
		msg += "Please enter your post code.\n";
	}
	if(myform.ort.value==""){
		msg += "Please enter your city.\n";
	}
	if(myform.land.value==""){
		msg += "Please enter your country.\n";
	}
	if(myform.telefon.value==""){
		msg += "Please enter your phone number.\n";
	}
	if(myform.email.value==""){
		msg += "Please enter your e-mail address.\n";
	}else{
		if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(myform.email.value)){
			//OK
		}else{
			msg += "Please enter your valid e-mail address.\n";
		}
	}
	if(myform.un.value==""){
		msg += "Please choose an user name.\n";
	}
	if(myform.pw.value==""){
		msg += "Please choose a password.\n";
	}
	if(myform.pwrepeat.value==""){
		msg += "Please retype your password.\n";
	}
	if(myform.pw.value!=myform.pwrepeat.value){
		msg += "Both password inputs must be the same.\n";
	}
	
	if(msg!=""){
		alert(msg);
		return false;
	}
}

function validateSearch(myform) {
	msg = "";
	if(myform.word.value==""){
		msg += "Please enter your search term.";
	}
	if(msg!=""){
		alert(msg);
		return false;
	}
}

function validateLogin(myform) {
	msg = "";
	if(myform.un2.value==""){
		msg += "Please enter your user name.\n";
	}
	if(myform.pw2.value==""){
		msg += "Please enter your password.";
	}
	if(msg!=""){
		alert(msg);
		return false;
	}
}

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

function validatePwlost(myform) {
	msg = "";
	if(myform.email.value==""){
		msg += "Please enter your e-mail address.";
	}else{
		if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(myform.email.value)){
			//OK
		}else{
			msg += "Please enter your valid e-mail address.";
		}
	}
	if(msg!=""){
		alert(msg);
		return false;
	}
}