var scripts = document.getElementsByTagName("script");
eval( scripts[ scripts.length - 1 ].innerHTML );
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$(document).ready(function(){
	
	$("#fueltype").change( function () { calculate($("#fueltype"), $("#area"), $("#h"), $("#coef")) } );
	$("#price").numeric().keyup( function () { calculate($("#fueltype"), $("#area"), $("#h"), $("#coef"), $("#price").val()) } );
	$("#fueltype").keyup( function () { calculate($("#fueltype"), $("#area"), $("#h"), $("#coef")) } );
	$("#area").numeric().keyup( function () { calculate($("#fueltype"), $("#area"), $("#h"), $("#coef")) } );
	$("#h").numeric().keyup( function () { calculate($("#fueltype"), $("#area"), $("#h"), $("#coef")) } );
	$("#coef").numeric().keyup( function () { calculate($("#fueltype"), $("#area"), $("#h"), $("#coef")) } );
	
	function calculate(type, area, h, coef, price) {
		
		var _area = $(area).val();
		var _type = $(type).val();
		var _h 	  = $(h).val();
		var _coef = $(coef).val();
		
		var prices 	= Array(0, 130, 1.58, 1.58, 570, 450, 0.33, 0.15, 2650, 0.33, 500, 130);
		var q 		= Array(0, 2160, 9.47, 9.47, 7300, 4600, 1, 1, 12790, 1, 4700, 2000);
		var kpd 	= Array(0, 0.75, 1.08, 0.93, 0.75, 0.8, 3, 1, 0.93, 0.99, 0.9, 0.75);
		
		if (typeof price === 'undefined') {
			price = prices[_type];
		}
		
		
		var volume = _area * _h;
		
		var maxq = Math.round((0.001* (0.54 + (22 / 42) ) * (1.52 / Math.sqrt(Math.sqrt(Math.sqrt(volume)))) * volume * 42) * _coef * 100) / 100;
		
		var power = Math.round(maxq * 1.2 + 4);
		
		var pricekwh = Math.round(price/q[_type]/kpd[_type]*10000) / 100;

		var t = (0.0009*(0.54+(22/20.5))*(1.52/Math.sqrt(Math.sqrt(Math.sqrt(volume))))*volume*20.5)*_coef;
		var temp = (Math.round( ( (t*24*192)/q[_type]/kpd[_type] ) * 100 ) / 100)
		var priceseason = Math.round(price * temp);

		var pricemonth = Math.round(100 * (priceseason / 192 * 30)) / 100;
		
		var fuelamount = Math.round(temp*100)/100;
		
		$("#price").val(price);
		$("#power").val(power);		
		$("#maxq").val(maxq);
		$("#pricekwh").val(pricekwh);
		$("#priceseason").val(priceseason);
		$("#pricemonth").val(pricemonth);		
		$("#fuelamount").val(fuelamount);	
		
	}
	
	calculate($("#fueltype"), $("#area"), $("#h"), $("#coef"));
	
});