//====== Prueft Felder Katalogbestellung ======
function checkForm()
{
  

//====== Prueft Feld NAME ======

if(document.kontakt.name.value=="")
{
alert ("Please enter your surname");
document.kontakt.name.focus();
return false;
}


//====== Prueft Feld NAME ======

if(document.kontakt.vorname.value=="")
{
alert ("Please enter your first name");
document.kontakt.vorname.focus();
return false;
}


 
//====== Prueft Feld strasse ======

if(document.kontakt.strasse.value=="")
{
alert ("Please enter your street address");
document.kontakt.strasse.focus();
return false;
}

//====== Prueft Feld PLZ ======

if(document.kontakt.plz.value=="")
{
alert ("Please enter your post code");
document.kontakt.plz.focus();
return false;
}


//====== Prueft Feld Ort ======
if(document.kontakt.ort.value=="")
{
alert ("Please enter your town");
document.kontakt.ort.focus();
return false;
}



//====== Prueft Feld Land ======

if(document.kontakt.land.value=="")
{
alert ("Please enter your country");
document.kontakt.land.focus();
return false;
}

//====== Prueft Feld email ======

if(document.kontakt.email.value.indexOf('@')==-1 ||document.kontakt.email.value.indexOf('.')==-1)
{
alert ("Please enter a valid email address");
document.kontakt.email.focus();
return false;
}
}