//Druckfunktion IE
function printWindow() {
Browser = parseInt(navigator.appVersion);
if (Browser >= 4) window.print();
}


//Formularkontrolle
function okform_en() {

if (document.form.EMail.value == 0){			
alert ("The E-Mail field is empty!");
document.form.EMail.focus();
return false; 
}

var Kontrolle = /^[_\.0-9A-Za-z-]+@([0-9A-Za-z\-]+\.)+[a-z]{2,4}$/;
if(!Kontrolle.exec(document.form.EMail.value)){
alert("The E-Mail address you stated is not valid!");
document.form.EMail.focus();
return false;
}
 
}


//Formularkontrolle
function okform_de() {

if (document.form.EMail.value == 0){			
alert ("Die E-Mail fehlt!");
document.form.EMail.focus();
return false; 
}

var Kontrolle = /^[_\.0-9A-Za-z-]+@([0-9A-Za-z\-]+\.)+[a-z]{2,4}$/;
if(!Kontrolle.exec(document.form.EMail.value)){
alert("Die E-Mail Adresse ist nicht korrekt!");
document.form.EMail.focus();
return false;
}
 
}