// JavaScript Document

function Enabled(oObject, bEnabled, oId) {
  if (!oObject && oId) oObject = ReturnObjById(oId);
  
  oObject.disabled = (!bEnabled);
}

function ReturnObjById(id) {
    if (document.getElementById)
        var returnVar = document.getElementById(id);
    else if (document.all)
        var returnVar = document.all[id];
    else if (document.layers)
        var returnVar = document.layers[id];
    return returnVar;
}