function getDirections(street, town, county)
{
    var st = street.value;
    var tn = town.value;

    if(st == 'Street')
    {
        st = '';
    }

    if(tn == 'Town')
    {
        tn = '';
    }

    if(mMap)
    {
        mMap.showDirections(st +' '+ tn +' '+ county.value);
    }        
}