function clearTextbox1(id1) 
{
    if (document.getElementById(id1).value == 'keyword')
        document.getElementById(id1).value = '';
}
function RestoreKwd1(id1) 
{
    if (document.getElementById(id1).value == '')
        document.getElementById(id1).value = 'keyword';
}

function ShowHide(id1, tr1, tr2) 
{
    var rbtn1 = id1 + "_0";
    var rbtn2 = id1 + "_1";
    
    if (document.getElementById(rbtn1).checked == true) 
    {
        document.getElementById(tr1).style.display = "none";
        document.getElementById(tr2).style.display = "";
        callback("whatson");
    }
    if (document.getElementById(rbtn2).checked == true) 
    {
        document.getElementById(tr1).style.display = "";
        document.getElementById(tr2).style.display = "none";
        callback("attraction");
    }
}

function callback(txt) {    
    UseCallback(txt);
}
function GetResultFromServer(txt, context) {    
}