- var leftHandlePos = parseInt(this.leftZoomHandle_.style.left, 10) + halfHandleWidth;
- var rightHandlePos = parseInt(this.rightZoomHandle_.style.left, 10) + halfHandleWidth;
+ var leftHandlePos = parseFloat(this.leftZoomHandle_.style.left) + halfHandleWidth;
+ var rightHandlePos = parseFloat(this.rightZoomHandle_.style.left) + halfHandleWidth;