/**
* @ignore
* overlay
* @author yiminghe@gmail.com
*/
KISSY.add("overlay", function (S, O, D, P) {
O.Dialog = D;
S.Dialog = D;
O.Popup = P;
S.Overlay = O;
return O;
}, {
requires:[
"overlay/control",
"overlay/dialog",
"overlay/popup"
]
});