public/javascripts/yui/datatable/datatable.js
function(nBorderWidth) {
    var aLastHeaders = this._oColumnSet.headers[this._oColumnSet.headers.length-1] || [],
        len = aLastHeaders.length,
        sPrefix = this._sId+"-fixedth-",
        sValue = nBorderWidth + "px solid " + this.get("COLOR_COLUMNFILLER");

    this._elThead.style.display = "none";
    for(var i=0; i<len; i++) {
        Dom.get(sPrefix+aLastHeaders[i]).style.borderRight = sValue;
    }
    this._elThead.style.display = "";
}
function(nBorderWidth) {
    var aLastHeaders = this._oColumnSet.headers[this._oColumnSet.headers.length-1] || [],
        len = aLastHeaders.length,
        sPrefix = this._sId+"-fixedth-",
        sValue = nBorderWidth + "px solid " + this.get("COLOR_COLUMNFILLER");

    this._elThead.style.display = "none";
    for(var i=0; i<len; i++) {
        Dom.get(sPrefix+aLastHeaders[i]).style.borderRight = sValue;
    }
    this._elThead.style.display = "";
}
function ( nBorderWidth ) { var aLastHeaders = this . _oColumnSet . headers [ this . _oColumnSet . headers . length - 1 ] || [ ] , len = aLastHeaders . length , sPrefix = this . _sId + "-fixedth-" , sValue = nBorderWidth + "px solid " + this . get ( "COLOR_COLUMNFILLER" ) ; this . _elThead . style . display = "none" ; for ( var i = 0 ; i < len ; i ++ ) { Dom . get ( sPrefix + aLastHeaders [ i ] ) . style . borderRight = sValue ; } this . _elThead . style . display = "" ; }
Sets Column header overhang to given width.

@method _setOverhangValue
@param nBorderWidth {Number} Value of new border for overhang.
@private
Sets Column header overhang to given width .