public/javascripts/yui/datatable/datatable.js
function(index) {
    if(lang.isNumber(index) && this._elColgroup && this._elColgroup.childNodes[index]) {
        this._elColgroup.removeChild(this._elColgroup.childNodes[index]);
    }
}
function(index) {
    if(lang.isNumber(index) && this._elColgroup && this._elColgroup.childNodes[index]) {
        this._elColgroup.removeChild(this._elColgroup.childNodes[index]);
    }
}
function ( index ) { if ( lang . isNumber ( index ) && this . _elColgroup && this . _elColgroup . childNodes [ index ] ) { this . _elColgroup . removeChild ( this . _elColgroup . childNodes [ index ] ) ; } }
Removes a COL element to COLGROUP at given index.

@method _removeColgroupColEl
@param index {Number} Index of removed COL element.
@private
Removes a COL element to COLGROUP at given index .