function ShowRoutePlanner (txtFromId, txtToId, url)
{
    var txtFrom = document.getElementById(txtFromId);
    var txtTo = document.getElementById(txtToId);
    
    var from = txtFrom.value;
    var to = txtTo.value;
    
    var finalUrl = url + '?from=' + from + '&to=' + to;
    
    window.location.href = finalUrl;
}