rem: if (!this.isEnabled() || this._hresize.startX == -1) return; 
add: if (!this._enabled || this._hresize.startX == -1) return; 
context:     _headerMouseUpListener: function(event) {        if (!this.isEnabled() || this._hresize.startX == -1) return;        var resizeColumn = this._hresize.column;        var resizeStartX = this._hresize.startX;                for (var index = this._header.childNodes.length; --index >= 0;) {            if (this._header.childNodes.item(index) == resizeColumn) break;         }                var borderSize = parseInt(resizeColumn.style.borderWidth);        var width = parseInt(resizeColumn.style.width);        if (!tw_sizeIncludesBorders) width += borderSize;          var endX = event.clientX;                if (resizeStartX < endX) {                            endX = width + (endX - resizeStartX);        } else {            endX = width - (resizeStartX - endX);                }                borderSize = borderSize * 2 + 2;        if (endX < borderSize) endX = borderSize;        this._hresize.index = index;        this._hresize.endX = endX;        setTimeout(this._headerMouseUpTimer, 100);    },
meta: 5515	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5515/d532c0ea03ef1c91856bba5408f049541b39c2ba/GridBox.js/buggy/src/thinwire/render/web/resources/GridBox.js