var DoubleTrackBar = new cDoubleTrackBar('slider-1b1', 'slider-1b1-Tracker', {
	OnUpdate: function(){
		$('size_from').value = this.MinPos;
		$('size_before').value = this.MaxPos;
		this.Tracker.style.backgroundPosition = -this.TrackerLeft + 'px center';
		if (this.fix)
			for (var i in this.fix)
				this.fix[i].style.left = (this.TrackerRight - this.TrackerLeft) + 'px';
	},
	Min: 0,
	Max: 1000,
	FingerOffset: 8,
	MinSpace: 1,
	Margins: 30,
	AllowedValues: true
});
DoubleTrackBar.AutoHairline(6);
DoubleTrackBar.fix = classFilter(DoubleTrackBar.Tracker.getElementsByTagName('*'), 'flr');