function DisplayOJ() { 
    var city1 = document.getElementById('CITY1');  
    city1.style.display = 'inline';
    var city2 = document.getElementById('CITY2');  
    city2.style.display = 'inline';
    document.SearchFare.return_date.disabled = false; 
}

function DisplayReturn()
{
    var city1 = document.getElementById('CITY1');  
    city1.style.display = 'none';
    var city2 = document.getElementById('CITY2');  
    city2.style.display = 'none';
    document.SearchFare.return_date.disabled = false; 
}

function DisplayOneway()
{
    var city1 = document.getElementById('CITY1');  
    city1.style.display = 'none';
    var city2 = document.getElementById('CITY2');  
    city2.style.display = 'none';
    document.SearchFare.return_date.disabled = true;
}