public/javascripts/yui/datatable/datatable.js
function() {
    var oColumn, elTh;
    for(var i=0, len=this._oColumnSet.tree[0].length; i<len; i++) {
        oColumn = this._oColumnSet.tree[0][i];
        if(oColumn._dd) {
            oColumn._dd = oColumn._dd.unreg();
            Dom.removeClass(oColumn.getThEl(), DT.CLASS_DRAGGABLE);       
        }
    }
}
function() {
    var oColumn, elTh;
    for(var i=0, len=this._oColumnSet.tree[0].length; i<len; i++) {
        oColumn = this._oColumnSet.tree[0][i];
        if(oColumn._dd) {
            oColumn._dd = oColumn._dd.unreg();
            Dom.removeClass(oColumn.getThEl(), DT.CLASS_DRAGGABLE);       
        }
    }
}
function ( ) { var oColumn , elTh ; for ( var i = 0 , len = this . _oColumnSet . tree [ 0 ] . length ; i < len ; i ++ ) { oColumn = this . _oColumnSet . tree [ 0 ] [ i ] ; if ( oColumn . _dd ) { oColumn . _dd = oColumn . _dd . unreg ( ) ; Dom . removeClass ( oColumn . getThEl ( ) , DT . CLASS_DRAGGABLE ) ; } } }
Disables DD from top-level Column TH elements.

@method _destroyDraggableColumns
@private
Disables DD from top - level Column TH elements .