function Picker1_onSelectionChanged(sender, eventArgs)
{
    Calendar1.setSelectedDate(Picker1.getSelectedDate());
}

function Calendar1_onSelectionChanged(sender, eventArgs)
{
    Picker1.setSelectedDate(Calendar1.getSelectedDate());
}

function validateSearch()
{
    var type = document.getElementById('ctl00_ctl00_MainContent_SubMainContent_BookingSearch1_ddlSearchEventType');
    if(type.value!='')
        return true;
    else
        return false;    
}