async function saveTable() {
    const rows = [];
    const rowCount = document.querySelectorAll('tbody tr').length;
    
    for (let i = 0; i < rowCount; i++) {
        const bezeichnung = document.querySelector(`input[data-row='${i}'][data-field='bezeichnung']`).value;
        const adresse = document.querySelector(`input[data-row='${i}'][data-field='adresse']`).value;
        const type = document.querySelector(`input[data-row='${i}'][data-field='type']`).value;
        const faktor = document.querySelector(`input[data-row='${i}'][data-field='faktor']`).value;
        const mqtt = document.querySelector(`input[data-row='${i}'][data-field='mqtt']`).checked;
        const influxdb = document.querySelector(`input[data-row='${i}'][data-field='influxdb']`).checked;
        
        rows.push({
            bezeichnung,
            adresse,
            type,
            faktor,
            mqtt,
            influxdb
        });
    }
    
    try {
        const response = await fetch('/api/save', {
            method: 'POST',
            headers: {
                'Content-Type': 'application/json',
            },
            body: JSON.stringify({ rows: rows })
        });
        
        const messageDiv = document.getElementById('message');
        if (response.ok) {
            messageDiv.className = 'message success';
            messageDiv.textContent = '✓ Erfolgreich gespeichert!';
        } else {
            messageDiv.className = 'message error';
            messageDiv.textContent = '✗ Fehler beim Speichern!';
        }
        
        setTimeout(() => {
            messageDiv.style.display = 'none';
        }, 3000);
    } catch (error) {
        const messageDiv = document.getElementById('message');
        messageDiv.className = 'message error';
        messageDiv.textContent = '✗ Verbindungsfehler!';
    }
}