public/javascripts/yui/datatable/datatable.js
function() {
    var elBdThead = this._elBdThead;
    if(elBdThead) {
        var elTable = elBdThead.parentNode;
        Ev.purgeElement(elBdThead, true);
        elTable.removeChild(elBdThead);
        this._elBdThead = null;

        this._destroyColumnHelpers();
    }
}
function() {
    var elBdThead = this._elBdThead;
    if(elBdThead) {
        var elTable = elBdThead.parentNode;
        Ev.purgeElement(elBdThead, true);
        elTable.removeChild(elBdThead);
        this._elBdThead = null;

        this._destroyColumnHelpers();
    }
}
function ( ) { var elBdThead = this . _elBdThead ; if ( elBdThead ) { var elTable = elBdThead . parentNode ; Ev . purgeElement ( elBdThead , true ) ; elTable . removeChild ( elBdThead ) ; this . _elBdThead = null ; this . _destroyColumnHelpers ( ) ; } }
Destroy's the DataTable body THEAD element, if available.

@method _destroyBdTheadEl
@private
Destroy s the DataTable body THEAD element if available .