function ch_values_slider()
	{
	var v = parseFloat($( "#price_from" ).val());
	if (!isNaN(v))
		$( "#slider-range" ).slider("values",0,v);
	v = parseFloat($( "#price_to" ).val());
	if (!isNaN(v))
		$( "#slider-range" ).slider("values",1,v);
	}