rem: this.thumb.startOffset = this.thumb.getOffsetFromParent(this.baselinePos); 
add: this.thumb.startOffset = this.thumb.getOffsetFromParent(this.baselinePos); 
context: YAHOO.widget.Slider.prototype.setStartSliderState = function() {    this.setThumbCenterPoint();    /**     * The basline position of the background element, used     * to determine if the background has moved since the last     * operation.     * @type int[]     */    this.baselinePos = YAHOO.util.Dom.getXY(this.getEl());    this.thumb.startOffset = this.thumb.getOffsetFromParent(this.baselinePos);    if (this.thumb._isRegion) {        if (this.deferredSetRegionValue) {            this.setRegionValue.apply(this, this.deferredSetRegionValue, true);        } else {            this.setRegionValue(0, 0, true);        }    } else {        if (this.deferredSetValue) {            this.setValue.apply(this, this.deferredSetValue, true);        } else {            this.setValue(0, true, true);        }    }};
meta: 4707	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/4707/50c3492c4c3c825dbd3401e134a19ed46799c456/slider.js/clean/www/resources/yui/slider/slider.js