(function() {
	YAHOO.namespace('example');
	var Dom = YAHOO.util.Dom;
	var range = 288;
	var maxPunti = 300000;
	var tickSize = 1;
	var caution_range = 150,
         danger_range = 75,
         boom_range = 13;
	YAHOO.util.Event.onDOMReady(function() {
		var reportSpan = Dom.get("demo_range");
		var calculatedSpan = Dom.get("demo_value");
		slider = YAHOO.widget.Slider.getHorizDualSlider("demo_bg", "demo_min_thumb", "demo_max_thumb", range, tickSize, [0, maxPunti]);
		YAHOO.lang.augmentObject(slider, {
			_status: 'ok',
			_highlight: Dom.get("demo_highlight"),
			getStatus: function() {
				return this._status
			},
			updateHighlight: function() {
				if (this.activeSlider === this.minSlider && bFireChangeEvent) {
					Dom.get("minVal").value = formatNumber(scaleRange(slider.minVal, range, maxPunti));
				}
				if (this.activeSlider === this.maxSlider && bFireChangeEvent) {
					if (nPUNTIUTENTE != "0" && this.maxVal > pixelPunti) {
						Dom.setStyle(this._highlight, 'width', this.maxVal + 'px');
					}
					if (bFireChangeEvent) {
						Dom.get("maxVal").value = formatNumber(scaleRange(slider.maxVal, range, maxPunti));
					}
				}
				if (!bFireChangeEvent) {
					Dom.get("minVal").value = formatNumber(Dom.get("minVal").value);
					Dom.get("maxVal").value = formatNumber(Dom.get("maxVal").value);
				}
			},
			initSlider: function() {
				this.setMinValue(0, true, true, true);
				this.setMaxValue(maxPunti, true, true, true);
			},
			settaRange: function(nPuntiMin, nPuntiMax) {
				if (nPuntiMin != actMinVal || nPuntiMax != actMaxVal) {
					actMinVal = nPuntiMin;
					actMaxVal = nPuntiMax;
					if (nPuntiMin > nPuntiMax) {
						var tempMinVal = nPuntiMin;
						nPuntiMin = nPuntiMax;
						nPuntiMax = tempMinVal;
						document.getElementById("minVal").value = formatNumber(nPuntiMin);
						document.getElementById("maxVal").value = formatNumber(nPuntiMax);
					}
					this.setMaxValue(deScaleRange(nPuntiMax, range, maxPunti), true, true, true);
					this.setMinValue(deScaleRange(nPuntiMin, range, maxPunti), true, true, true);
					report(nPuntiMin, nPuntiMax);
				}
				bFireChangeEvent = true;
			}
		}, true);
		slider.subscribe('change', slider.updateHighlight, slider, true);
		var report = function(nPuntiMin, nPuntiMax) {
			if (nPUNTIUTENTE != "0" && slider.maxVal <= pixelPunti) {
				Dom.setStyle(slider._highlight, 'width', pixelPunti)
			}
			if (typeof nPuntiMin == "number" || typeof nPuntiMax == "number") {
				objCatalogo.setRange(nPuntiMin, nPuntiMax);
			}
			else {
				objCatalogo.setRange(scaleRange(slider.minVal, range, maxPunti), scaleRange(slider.maxVal, range, maxPunti));
			}
		};
		slider.subscribe('slideEnd', report);
		YAHOO.example.slider = slider
	})
})();

function deScaleRange(points, range, max) {
    var power = 4;
    var step = 100;
    if (points > max) return range;
	return Math.round(Math.pow(points/max,1/power) * range);
}

function scaleRange(sliderVal, range, max) {
    var power = 4;
    var step = 100;
    var absSliderVal = sliderVal / range * 100;
    var multi = max/Math.pow(100,power);
    return Math.round(Math.pow(absSliderVal,power)*multi/step)*step;
    //return Math.round((max * sliderVal) / range);
}

function formatNumber(num) {
	num = parseInt(("" + num).replace(".", ""));
	if (num >= 1000) {
		var sNum = "" + num;
		return sNum.substring(0, sNum.length - 3) + "." + sNum.substring(sNum.length - 3);
	}
	return num;
}

function formattaPunti(nVal) {
    if (nVal >= 1000) {
        nVal = nVal.substring(0, nVal.length - 3) + "." + nVal.substr(nVal.length - 3)
    }
    return nVal
}