function updateUmpires (chkBox, ddl1, ddl2)
{
    var objChk, objDdl1, objDdl2;
    
    objChk = document.getElementById(chkBox);
    objDdl1 = document.getElementById(ddl1);
    objDdl2 = document.getElementById(ddl2);  
    
    if (objChk.checked)
    {
        //alert("Checked");
        objDdl1.selectedIndex = 0;
        objDdl2.selectedIndex = 0;
        objDdl1.disabled = true;
        objDdl2.disabled = true;
    }
    else
    {
        objDdl1.disabled = false;
        objDdl2.disabled = false;
    }
    
    
}