document.addEventListener('DOMContentLoaded', function () {
    calculateOTS();
});

function calculateOTS() {
    const R = parseFloat(document.getElementById('curveRadiusOS').value); 
    const e = parseFloat(document.getElementById('superlevationOS').value);
    const t = parseFloat(document.getElementById('trackwidthOS').value);
    const h = parseFloat(document.getElementById('heightOS').value);

    if (isNaN(R) || isNaN(e) || isNaN(t) || isNaN(h)) {
        document.getElementById('OverturningSpeedOS').textContent = 'Please, input readable values.';
        return;
    }

    const ots = Math.sqrt(127 * R * (e + (t / (2 * h))));

    document.getElementById('OverturningSpeedOS').textContent = ots.toFixed(0); 
}