// Script zur Kontrolle, ob Mailadresse korrekt eingegeben wurde
function checkEmail(){
    email1  = document.getElementById('test_lgn_usr');
    email2  = document.getElementById('test_lgn_usr2');
    info    = document.getElementById('checkmail_info');

    if(email1.value != email2.value){
        info.style.visibility = 'visible';
        return false;
    }
    else{
        info.style.visibility = 'hidden';         
        return true;
    }
}