//Brewhouse calculator routines var old_value; var from; var to; var new_value; //function initText(control,value) { //- Initialize a text field //control.value = value; //} // //function initAll(form) { //- Initialize all form controls // with (form) { // initText(pname,"<%=pname%>"); // initText(paddress,"<%=paddress%>"); // initSelect(age,"<%=age%>"); // initCheckBox(mail,"<%=mail%>"); // initTextArea(comments,"<%=comments%>"); // } //} function chgtoRecipe(units) { //alert(document.brewbuilder.bsize.value) chgtoGBATCH(units); chgtoHBATCH(units); chgtoFinalGravEst(units); //computeH2ONeed() //document.brewbuilder.FPF.value = computefpt(OE, AE,units); if(units=='eng'){ var OE = convert(document.brewbuilder.TotalOG.value,"sg","degE"); var AE = convert(document.brewbuilder.estFGval.value,"sg","degE"); document.brewbuilder.ABW.value = computeABW(OE, AE); } else if(units=='si'){ //convert to OG! var OG = convert(document.brewbuilder.TotalOG.value,"degE","sg"); var FG = convert(document.brewbuilder.estFGval.value,"degE","sg"); document.brewbuilder.ABW.value = computeABV(OG,FG); } //document.brewbuilder.AppAtt.value = computeAppAtt(OE,AE); //document.brewbuilder.RealAtt.value = computeRealAtt(OE,AE); if(units=='eng'){ var OE = convert(document.brewbuilder.TotalOG.value,"sg","degE"); var AE = convert(document.brewbuilder.estFGval.value,"sg","degE"); var calories=computecals(OE, AE, document.brewbuilder.estFGval.value,units); //document.brewbuilder.bot12.value = Math.round(calories); document.brewbuilder.bot12.value = formatnumber(calories,2); } else if(units=='si'){ //convert to OG! var OE = parseFloat(document.brewbuilder.TotalOG.value); var AE = parseFloat(document.brewbuilder.estFGval.value); var FG = convert(document.brewbuilder.estFGval.value,"degE","sg"); var calories=computecals(OE, AE, FG,units); //document.brewbuilder.bot12.value = Math.round(calories); document.brewbuilder.bot12.value = formatnumber(calories,2); } } function scaleRecipe(units) { //alert(document.brewbuilder.bsize.value) var scaleSize = document.brewbuilder.scaleSize.value; var scaleFactor = scaleSize/document.brewbuilder.bsize.value; //alert(scaleFactor) //scale yield document.brewbuilder.bsize.value = formatnumber(scaleFactor * document.brewbuilder.bsize.value,2); //scale preboilvolume document.brewbuilder.PreBoilVolume.value = formatnumber(scaleFactor * document.brewbuilder.PreBoilVolume.value,2); //scale fermentables document.brewbuilder.fermentAmt1.value = formatnumber(scaleFactor * document.brewbuilder.fermentAmt1.value,2); document.brewbuilder.fermentAmt2.value = formatnumber(scaleFactor * document.brewbuilder.fermentAmt2.value,2); document.brewbuilder.fermentAmt3.value = formatnumber(scaleFactor * document.brewbuilder.fermentAmt3.value,2); document.brewbuilder.fermentAmt4.value = formatnumber(scaleFactor * document.brewbuilder.fermentAmt4.value,2); document.brewbuilder.fermentAmt5.value = formatnumber(scaleFactor * document.brewbuilder.fermentAmt5.value,2); document.brewbuilder.fermentAmt6.value = formatnumber(scaleFactor * document.brewbuilder.fermentAmt6.value,2); //scale hops document.brewbuilder.hopsAmt1.value = formatnumber(scaleFactor * document.brewbuilder.hopsAmt1.value,2); document.brewbuilder.hopsAmt2.value = formatnumber(scaleFactor * document.brewbuilder.hopsAmt2.value,2); document.brewbuilder.hopsAmt3.value = formatnumber(scaleFactor * document.brewbuilder.hopsAmt3.value,2); document.brewbuilder.hopsAmt4.value = formatnumber(scaleFactor * document.brewbuilder.hopsAmt4.value,2); document.brewbuilder.hopsAmt5.value = formatnumber(scaleFactor * document.brewbuilder.hopsAmt5.value,2); //scale flavorings document.brewbuilder.flavorAmt1.value = formatnumber(scaleFactor * document.brewbuilder.flavorAmt1.value,2); document.brewbuilder.flavorAmt2.value = formatnumber(scaleFactor * document.brewbuilder.flavorAmt2.value,2); document.brewbuilder.flavorAmt3.value = formatnumber(scaleFactor * document.brewbuilder.flavorAmt3.value,2); document.brewbuilder.flavorAmt4.value = formatnumber(scaleFactor * document.brewbuilder.flavorAmt4.value,2); document.brewbuilder.flavorAmt5.value = formatnumber(scaleFactor * document.brewbuilder.flavorAmt5.value,2); document.brewbuilder.flavorAmt6.value = formatnumber(scaleFactor * document.brewbuilder.flavorAmt6.value,2); //scale additives document.brewbuilder.addAmt1.value = formatnumber(scaleFactor * document.brewbuilder.addAmt1.value,2); document.brewbuilder.addAmt2.value = formatnumber(scaleFactor * document.brewbuilder.addAmt2.value,2); document.brewbuilder.addAmt3.value = formatnumber(scaleFactor * document.brewbuilder.addAmt3.value,2); document.brewbuilder.addAmt4.value = formatnumber(scaleFactor * document.brewbuilder.addAmt4.value,2); //scale additives document.brewbuilder.addAmt1.value = formatnumber(scaleFactor * document.brewbuilder.addAmt1.value,2); //scale priming document.brewbuilder.primeAmt1.value = formatnumber(scaleFactor * document.brewbuilder.primeAmt1.value,2); } function computeH2ONeed(units) { var yield = document.brewbuilder.bsize.value; if (document.brewbuilder.rtype[0].checked){ var rtype = "extract"; } else if (document.brewbuilder.rtype[1].checked){ var rtype = "all-grain"; } //alert("yield " + yield) //alert("rtype " + rtype) if (rtype=='all-grain') { //alert("rtype " + rtype) var gristKG = convert(parseFloat(document.brewbuilder.FermentTOTAL.value),'lbm','kg'); var gristLB = parseFloat(document.brewbuilder.FermentTOTAL.value); //document.getElementById('inp02').value = formatnumber((gristKG*document.getElementById('inp13').value)/3.7853,2); document.getElementById('inp02').value = formatnumber((gristLB*document.getElementById('inp13').value),2); document.getElementById('inp03').value = formatnumber((gristLB*document.getElementById('inp14').value),2); var totalA = parseFloat(document.getElementById('inp02').value); var totalB = parseFloat(document.getElementById('inp03').value); //alert(totalA+"&"+totalB) document.getElementById('inp04').value = formatnumber(totalA+totalB,2); var grainLF = parseFloat(document.getElementById('inp15').value); document.getElementById('inp05').value = formatnumber((gristLB * grainLF),2); //document.getElementById('inp06').value = formatnumber((document.getElementById('inp04').value - document.getElementById('inp05').value),2); } else if (rtype != 'all-grain'){ //document.getElementById('inp06').value = yield; var totalA = 0; //mash water var totalB = 0; //sparge water } document.getElementById('inp07').value = formatnumber((document.getElementById('PreBoilVolume').value * (document.getElementById('inp16').value)/100),2); document.getElementById('BoilVolume').value = formatnumber((document.getElementById('PreBoilVolume').value - document.getElementById('inp07').value),2); var preBoilVolume = parseFloat(document.getElementById('PreBoilVolume').value); var preBoilLoss = parseFloat(document.getElementById('inp07').value); var postBoilVolume = parseFloat(document.getElementById('BoilVolume').value); var percentA = 1 - parseFloat(document.getElementById('inp17').value)/100; document.getElementById('inp09').value = formatnumber((yield / percentA - postBoilVolume),2); var diluteVol = parseFloat(document.getElementById('inp09').value); document.getElementById('inp10').value = formatnumber((diluteVol + postBoilVolume),2); document.getElementById('inp11').value = formatnumber((document.getElementById('inp10').value * (document.getElementById('inp17').value/100)),2); var tempAll = parseFloat(preBoilVolume) + parseFloat(totalA) + parseFloat(totalB) + parseFloat(diluteVol); document.getElementById('inp12').value = formatnumber(tempAll,2); } function chgtotemp(old_value,from) { if (from == 'F') { document.tempcalc.C.value = formatnumber(convert(document.tempcalc.F.value,'F','C'),1); } else if (from == 'C') { document.tempcalc.F.value = formatnumber(convert(document.tempcalc.C.value,'C','F'),1); } } function chgtoCOLOR(old_value,from) { if (from == 'srm') { document.brewbuilder.ebc.value = formatnumber(convert(document.brewbuilder.srm.value,'srm','ebc'),1); } else if (from == 'ebc') { document.brewbuilder.srm.value = formatnumber(convert(document.brewbuilder.ebc.value,'ebc','srm'),1); } computeColor(document.brewbuilder.srm.value); /* if (document.brewbuilder.srm.value <1) {document.brewbuilder.picture.src = 'http://www.brewerslair.com/global/styFamSmall12.jpg';} else if (document.brewbuilder.srm.value >= 1 && document.brewbuilder.srm.value <= 2.5) {document.brewbuilder.picture.src = 'http://www.brewerslair.com/global/styFamSmall12.jpg';} else if (document.brewbuilder.srm.value >= 3.5 && document.brewbuilder.srm.value <= 5.5) {document.brewbuilder.picture.src = 'http://www.brewerslair.com/global/styFamSmall11.jpg';} else if (document.brewbuilder.srm.value >= 5.5 && document.brewbuilder.srm.value <= 10) {document.brewbuilder.picture.src = 'http://www.brewerslair.com/global/styFamSmall03.jpg';} else if (document.brewbuilder.srm.value >= 10 && document.brewbuilder.srm.value <= 18) {document.brewbuilder.picture.src = 'http://www.brewerslair.com/global/styFamSmall06.jpg';} else if (document.brewbuilder.srm.value >= 18 && document.brewbuilder.srm.value <= 26) {document.brewbuilder.picture.src = 'http://www.brewerslair.com/global/styFamSmall08.jpg';} else if (document.brewbuilder.srm.value >= 26 && document.brewbuilder.srm.value <= 40) {document.brewbuilder.picture.src = 'http://www.brewerslair.com/global/styFamSmall10.jpg';} else if (document.brewbuilder.srm.value > 40) {document.brewbuilder.picture.src = 'http://www.brewerslair.com/global/styFamSmall13.jpg';} */ } var k = 0; function chgtovol(old_value,from) { if(from != 'tsp') {document.volumecalc.tsp.value = formatnumber(convert(old_value,from,'tsp'),2);} if(from != 'tbs') {document.volumecalc.tbs.value = formatnumber(convert(old_value,from,'tbs'),2);} if(from != 'oz') {document.volumecalc.oz.value = formatnumber(convert(old_value,from,'oz'),2);} if(from != 'cup') {document.volumecalc.cup.value = formatnumber(convert(old_value,from,'cup'),2);} if(from != 'pt') {document.volumecalc.pt.value = formatnumber(convert(old_value,from,'pt'),2);} if(from != 'qt') {document.volumecalc.qt.value = formatnumber(convert(old_value,from,'qt'),2);} if(from != 'gal') {document.volumecalc.gal.value = formatnumber(convert(old_value,from,'gal'),2);} if(from != 'imp') {document.volumecalc.imp.value = formatnumber(convert(old_value,from,'imp'),2);} if(from != 'bbl') {document.volumecalc.bbl.value = formatnumber(convert(old_value,from,'bbl'),2);} if(from != 'ml') {document.volumecalc.ml.value = formatnumber(convert(old_value,from,'ml'),2);} if(from != 'l') {document.volumecalc.l.value = formatnumber(convert(old_value,from,'l'),2);} if(from != 'hl') {document.volumecalc.hl.value = formatnumber(convert(old_value,from,'hl'),2);} } function chgtowgt(old_value,from) { if(from != 'ozm') {document.weightcalc.ozm.value = formatnumber(convert(old_value,from,'ozm'),2);} if(from != 'lbm') {document.weightcalc.lbm.value = formatnumber(convert(old_value,from,'lbm'),2);} if(from != 'g') {document.weightcalc.g.value = formatnumber(convert(old_value,from,'g'),2);} if(from != 'kg') {document.weightcalc.kg.value = formatnumber(convert(old_value,from,'kg'),2);} } function chgtogravtemp(value) { if (value == 'gravtempF'){ document.gravcalc.gravtempC.value = convert(document.gravcalc.gravtempF.value,'F','C'); document.gravcalc.csg.value = convertGravTemp(document.gravcalc.msg.value,document.gravcalc.gravtempF.value); document.gravcalc.cpl.value = convert(document.gravcalc.csg.value,'sg','degE'); } else if (value == 'gravtempC'){ document.gravcalc.gravtempF.value = convert(document.gravcalc.gravtempC.value,'C','F'); document.gravcalc.csg.value = convertGravTemp(document.gravcalc.msg.value,document.gravcalc.gravtempF.value); document.gravcalc.cpl.value = convert(document.gravcalc.csg.value,'sg','degE'); } else if (value=='msg'){ document.gravcalc.csg.value = convertGravTemp(document.gravcalc.msg.value,document.gravcalc.gravtempF.value); document.gravcalc.mpl.value = convert(document.gravcalc.msg.value,'sg','degE'); document.gravcalc.cpl.value = convert(document.gravcalc.csg.value,'sg','degE'); } else if (value=='mpl'){ document.gravcalc.msg.value = convert(document.gravcalc.mpl.value,'degE','sg'); document.gravcalc.csg.value = convertGravTemp(document.gravcalc.msg.value,document.gravcalc.gravtempF.value); document.gravcalc.cpl.value = convert(document.gravcalc.csg.value,'sg','degE'); } } function convertGravTemp(msg,gravtempF){ var csg = parseFloat(msg)-((-0.000013*(gravtempF*gravtempF*gravtempF) + 0.004747*(gravtempF*gravtempF) - 0.347219*gravtempF+ 6.663652)/1000); var csg = formatnumber(csg,3); return csg; } function chgtoFinalGravEst(units){ if (units == 'eng'){ var yeastAtt = (document.brewbuilder.yeastAtt.value)/100; var Oval = document.brewbuilder.TotalOG.value; document.brewbuilder.estFGval.value = computeFinalGravEst(yeastAtt,Oval,units); } else if (units == 'si'){ var yeastAtt = (document.brewbuilder.yeastAtt.value)/100; var Oval = document.brewbuilder.TotalOG.value; document.brewbuilder.estFGval.value = computeFinalGravEst(yeastAtt,Oval,units); } } function computeFinalGravEst(yeastAtt,Oval,units){ //alert("computeFinalGravEst") if (units == 'eng'){ var FinalGravEst = (1 - yeastAtt)*(Oval-1)+1; FinalGravEst = formatnumber(FinalGravEst,3); //var a = new ToFmt(FinalGravEst); //FinalGravEst = a.fmtF(7,3); } else if (units == 'si'){ var OvalN = convert(Oval,'degE','sg'); var FinalGravEst = (1 - yeastAtt)*(OvalN-1)+1; FinalGravEst = convert(FinalGravEst,'sg','degE'); FinalGravEst = formatnumber(FinalGravEst,2); } return FinalGravEst; } function chgtoBoilLoss(units) { if (units == 'eng'){ var PreBoilVolume = document.brewbuilder.PreBoilVolumeG.value; var PostBoilVolume = document.brewbuilder.PostBoilVolumeG.value; var BoilTimeMin = document.brewbuilder.BoilTimeMin.value; } else if (units == 'si'){ var PreBoilVolume = document.brewbuilder.PreBoilVolumeL.value; var PostBoilVolume = document.brewbuilder.PostBoilVolumeL.value; var BoilTimeMin = document.brewbuilder.BoilTimeMin.value; } document.brewbuilder.BoilPctLoss.value = computeBoilLoss(PreBoilVolume,PostBoilVolume); document.brewbuilder.BoilPctLossRate.value = computeBoilLossRate(PreBoilVolume,PostBoilVolume,BoilTimeMin); } function computeBoilLoss(PreBoilVolume,PostBoilVolume){ var BoilLoss = (1-(PostBoilVolume)/(PreBoilVolume))*100; BoilLoss = formatnumber(BoilLoss,1); return BoilLoss; } function computeBoilLossRate(PreBoilVolume,PostBoilVolume,BoilTimeMin){ var BoilLoss = (1-(PostBoilVolume)/(PreBoilVolume))*100; var BoilLossRate = BoilLoss/(BoilTimeMin/60); BoilLossRate = formatnumber(BoilLossRate ,1); return BoilLossRate ; } function chgtoBrewEff(units) { if (units == 'eng'){ var maltAmtKg = convert(document.brewbuilder.maltAmtLB.value,'lbm','kg'); var BoilVolumeL = convert(document.brewbuilder.BoilVolumeG.value,'gal','l'); var OEval = convert(document.brewbuilder.OGval.value,'sg','degE'); document.brewbuilder.ExtractAmt.value = formatnumber(convert(computeExtractAmt(OEval,BoilVolumeL),'kg','lbm'),1); document.brewbuilder.brewEff.value = computeBrewEff(maltAmtKg,BoilVolumeL,OEval); } else if (units == 'si'){ var maltAmtKg = document.brewbuilder.maltAmtKg.value; var BoilVolumeL = document.brewbuilder.BoilVolumeL.value; var OEval = document.brewbuilder.OGval.value; document.brewbuilder.ExtractAmt.value = computeExtractAmt(OEval,BoilVolumeL); document.brewbuilder.brewEff.value = computeBrewEff(maltAmtKg,BoilVolumeL,OEval); } } function computeBrewEff(maltAmtKg,BoilVolumeL,OEval){ var OGval = convert(OEval,'degE','sg'); var brewEff = (BoilVolumeL*OGval*OEval)/(maltAmtKg); brewEff = formatnumber(brewEff,1); return brewEff; } function computeExtractAmt(OEval,BoilVolumeL){ var OGval = convert(OEval,'degE','sg'); var ExtractAmt = OGval*(OEval/100)*BoilVolumeL; ExtractAmt = formatnumber(ExtractAmt,1); return ExtractAmt; } function chgtoStrikeTemp(units) { if (units == 'eng'){ var maltAmtKg = convert(document.brewbuilder.maltAmtLB.value,'lbm','kg'); var MITC = convert(document.brewbuilder.MITF.value,'F','C'); var grainTempC = convert(document.brewbuilder.grainTempF.value,'F','C'); var volMashWaterL = convert(document.brewbuilder.volMashWaterG.value,'gal','l'); //if (volMashWaterL != '' && volMashWaterL != 0){ document.brewbuilder.strikeTempF.value = convert(computeStrikeTemp(maltAmtKg,MITC,grainTempC,volMashWaterL),'C','F'); //document.brewbuilder.strikeTempF.value = formatnumber(temp,1); //} } else if (units == 'si'){ var maltAmtKg =document.brewbuilder.maltAmtKg.value; var MITC = document.brewbuilder.MITC.value; var grainTempC=document.brewbuilder.grainTempC.value; var volMashWaterL=document.brewbuilder.volMashWaterL.value; //if (volMashWaterL != '' && volMashWaterL != 0){ document.brewbuilder.strikeTempC.value = computeStrikeTemp(maltAmtKg,MITC,grainTempC,volMashWaterL); //} } } function computeStrikeTemp(maltAmtKg,MITC,grainTempC,volMashWaterL){ //1.6 = Specific heat of malt //4.18= Specific heat of water //3 = heat lost to outside air and mash tun var strikeTempA = (maltAmtKg*1.6*(MITC- grainTempC))/(volMashWaterL*4.18); var strikeTempB = strikeTempA + 1*MITC + 3; strikeTemp = formatnumber(strikeTempB,1); return strikeTemp; } function chgtoAAStorage(units) { if (document.brewbuilder.storageType[0].checked){ var method = "0"; } else if (document.brewbuilder.storageType[1].checked){ var method = "1"; } else if (document.brewbuilder.storageType[2].checked){ var method = "2"; } if (units == 'eng'){ var AAorig = document.brewbuilder.AAorig.value; var percentAALost = document.brewbuilder.percentAALost.value; var HopStoreTempF = document.brewbuilder.HopStoreTempF.value; var HopAgeDays = document.brewbuilder.HopAgeDays.value; document.brewbuilder.AAadj.value = computeAAStorage(AAorig,percentAALost,HopStoreTempF,HopAgeDays,method); } else if (units == 'si'){ var AAorig = document.brewbuilder.AAorig.value; var percentAALost = document.brewbuilder.percentAALost.value; var HopStoreTempF = convert(document.brewbuilder.HopStoreTempC.value,'C','F'); var HopAgeDays = document.brewbuilder.HopAgeDays.value; document.brewbuilder.AAadj.value = computeAAStorage(AAorig,percentAALost,HopStoreTempF,HopAgeDays,method); } } function computeAAStorage(AAorig,percentAALost,HopStoreTempF,HopAgeDays,method){ var percentAALost=percentAALost/100; var Kfactor=0.0071473518*percentAALost*percentAALost*percentAALost - 0.00051989349*percentAALost*percentAALost + 0.006273602*percentAALost - 0.000048481808; var TFfactor=0.174495*Math.exp(0.025678*HopStoreTempF); if (method=='0'){ var SF = "1.0";} else if (method=='1'){var SF = "0.75";} else if (method=='2'){var SF = "0.50";} var AAadj = AAorig*(1/(Math.exp(Kfactor*SF*TFfactor*HopAgeDays))); AAadj= formatnumber(AAadj,2); return AAadj; } /*--------------------------------------------------------------------*/ function chgtoEXTRACT(units) { if (document.brewbuilder.extractTYPE[0].checked){ //dry var og = "40"; } else if (document.brewbuilder.extractTYPE[1].checked){ //liquid var og = "35"; } if (document.brewbuilder.extractCOLOR[0].checked){ var srm = "2"; } else if (document.brewbuilder.extractCOLOR[1].checked){ var srm = "2.5"; } else if (document.brewbuilder.extractCOLOR[2].checked){ var srm = "3.5"; } else if (document.brewbuilder.extractCOLOR[3].checked){ var srm = "10"; } else if (document.brewbuilder.extractCOLOR[4].checked){ var srm = "30"; } var batchTemp = document.brewbuilder.batch.value; var tgtOGTemp = document.brewbuilder.tgtOG.value; if(units=='si') {batchTemp=convert(batchTemp,'l','gal');} if(units=='si') {tgtOGTemp=convert(tgtOGTemp,'degE','sg');} var FermentTOTAL = (batchTemp*1000*(tgtOGTemp-1))/og; if(units=='si') {FermentTOTAL=convert(FermentTOTAL,'lbs','kg');} document.brewbuilder.FermentTOTAL.value = formatnumber(FermentTOTAL,2); var color = (FermentTOTAL*srm)/batchTemp; color = convert(color,'MCU','srm'); computeColor(color); if(units=='si') {color=convert(color,'srm','ebc');} document.brewbuilder.color.value = formatnumber(color,2); } function computeColor(srm) { if (srm < 1) {bColor_N = "water";} else if (srm >= 1 && srm <= 2.5) {bColor_N = "light straw";} else if (srm > 2.5 && srm <= 3.5) {bColor_N = "pale straw";} else if (srm > 3.5 && srm <= 5.5) {bColor_N = "dark straw";} else if (srm > 5.5 && srm <= 10) {bColor_N = "light amber";} else if (srm > 10 && srm <= 18) {bColor_N = "pale amber";} else if (srm > 18 && srm <= 26) {bColor_N = "dark amber";} else if (srm > 26 && srm <= 40) {bColor_N = "very dark amber";} else if (srm > 40) {bColor_N = "black";} document.brewbuilder.colorLabel.value = bColor_N; } /*--------------------------------------------------------------------*/ function chgtoprimingING(units) { if (document.brewbuilder.primingING[0].checked){ var appatt = "0.55"; var ozmgal = "1.27"; } else if (document.brewbuilder.primingING[1].checked){ var appatt = "0.70"; var ozmgal = "0.96"; } else if (document.brewbuilder.primingING[2].checked){ var appatt = "0.75"; var ozmgal = "0.92"; } else if (document.brewbuilder.primingING[3].checked){ var appatt = "1.00"; var ozmgal = "0.54"; } else if (document.brewbuilder.primingING[4].checked){ var appatt = "1.00"; var ozmgal = "0.50"; } var temp2 = document.brewbuilder.temperature.value; computeresvolumes(temp2,units) var temp3 = document.brewbuilder.volumes.value; var temp4 = document.brewbuilder.resco2.value; var temp5 = temp3 - temp4; var temp6 = document.brewbuilder.batch.value; computesugarneeded(temp5,temp6,appatt,ozmgal,units) } function computeresvolumes(beertemp,units) { var temp1 = beertemp; if(units =='si'){ temp1=convert(temp1,'C','F'); } var resvol = 0.0002558774*temp1*temp1 - 0.0485883571*temp1 + 2.9946959371; document.brewbuilder.resco2.value = resvol; document.brewbuilder.resco2.value = formatnumber(resvol,3); } function computesugarneeded(deltaco2,batch,appatt,ozmgal,units) { var temp1 = deltaco2; var temp2 = batch; var temp3 = ozmgal; if(units =='si'){ temp2 = convert(temp2,'l','gal'); } /* based on 0.5 oz/gal per 1 vol CO2, varies by priming ingredient */ var sugar = ozmgal*temp1*temp2; if(units =='si'){ sugar = convert(sugar,'ozm','g'); document.brewbuilder.sugaramount.value = formatnumber(sugar,0); } if(units =='eng'){ document.brewbuilder.sugaramount.value = formatnumber(sugar,2); } } /*--------------------------------------------------------------------*/ function chgStyles(units) { var temp1 = document.brewbuilder.temperature.value var temp2 = document.brewbuilder.volumes.value computepressure(temp2,temp1,units) //alert(temp1+" "+temp2+" "+units) } function chgtovFC(volCO2,units){ var tunits = units; var temp3 = volCO2; document.brewbuilder.volumes.value // temp3; var temp2 = document.brewbuilder.volumes.value; var temp1 = document.brewbuilder.temperature.value; computepressure(temp2,temp1,units) } function chgtotFC(tempF,units){ var temp3 = tempF; document.brewbuilder.temperature.value // temp3; var temp1 = document.brewbuilder.temperature.value; var temp2 = document.brewbuilder.volumes.value; //alert("Change to FC "+temp2+" "+temp1+" "+units) computepressure(temp2,temp1,units); } function computepressure(vol,beertemp,units) { var temp1 = vol; var temp2 = beertemp; if(units =='si'){ temp2=formatnumber(convert(temp2,'C','F'),1); } //alert("Change to Pressure "+temp1+" "+temp2+" "+units); if (temp2 >= 30 && temp2 <= 60) { var four = temp2*temp2*temp2*temp2 var three= temp2*temp2*temp2 var two = temp2*temp2 var slope = 0.0000000720*four - 0.0000141048*three + 0.0010346138*two - 0.0348073497*temp2 + 0.5469779924; var intercept = 0.0003295805*two - 0.0566225405*temp2 + 3.1083388185; var temp3 = ((temp1-intercept)/slope); if(units =='si'){ temp3=formatnumber(convert(temp3,'psi','kPa'),1); } document.brewbuilder.pressure.value = formatnumber(temp3,1); } } function chgtoBottles(old_value,units) { //alert(temp1,units); if(units=='eng'){ document.botBatcalc.bot12.value = Math.round(((document.botBatcalc.batchENG.value) * 128)/12); document.botBatcalc.bot16.value = Math.round(((document.botBatcalc.batchENG.value) * 128)/16); document.botBatcalc.bot22.value = Math.round(((document.botBatcalc.batchENG.value) * 128)/22); document.botBatcalc.bot32.value = Math.round(((document.botBatcalc.batchENG.value) * 128)/32); } if(units=='si'){ document.botBatcalc.bot12SI.value = Math.round(((document.botBatcalc.batchSI.value) * 1000)/354); document.botBatcalc.bot16SI.value = Math.round(((document.botBatcalc.batchSI.value) * 1000)/473); document.botBatcalc.bot22SI.value = Math.round(((document.botBatcalc.batchSI.value) * 1000)/651); document.botBatcalc.bot32SI.value = Math.round(((document.botBatcalc.batchSI.value) * 1000)/847); } } /*--------------------------------------------------------------------*/ function chgtoGBATCH(units) { //alert("chgtoGBATCH") if(units=='eng'){ document.brewbuilder.FermentTOTAL.value = formatnumber(computeFermentTOTAL(),2); computeGPERCENT(); var volume=document.brewbuilder.bsize.value; var tempTotalColor = computeTotalColor(volume,units); var TotalColor=convert(tempTotalColor,'MCU','srm'); document.brewbuilder.TotalColor.value = formatnumber(TotalColor,2); computeColor(document.brewbuilder.TotalColor.value); document.brewbuilder.TotalOG.value=formatnumber(computeGRAVITY(volume,units),3); //var volume=document.brewbuilder.PreBoilVolume.value; //document.brewbuilder.SGwort.value=formatnumber(computeGRAVITY(volume,units),3); } if(units=='si'){ var tempFermentTOTAL = convert(computeFermentTOTAL(),'lbm','kg'); document.brewbuilder.FermentTOTAL.value = formatnumber(tempFermentTOTAL,2); computeGPERCENT(); //var volume=convert(document.brewbuilder.bsize.value,'l','gal'); var volume=document.brewbuilder.bsize.value; var tempTotalColor = computeTotalColor(volume,units); var TotalColor=convert(tempTotalColor,'MCU','srm'); TotalColor=convert(TotalColor,'srm','ebc'); document.brewbuilder.TotalColor.value = formatnumber(TotalColor,2); computeColor(document.brewbuilder.TotalColor.value); //document.brewbuilder.TotalColor.value = formatnumber(convert(colorTemp,'srm','ebc'),2); document.brewbuilder.TotalOG.value=formatnumber(convert(computeGRAVITY(volume,units),'sg','degE'),2); //var volume=document.brewbuilder.PreBoilVolume.value; //document.brewbuilder.SGwort.value=formatnumber(convert(computeGRAVITY(volume,units),'sg','degE'),2); } } function computeLBS(val1,val2){ if (val1=='lb') {var fermentLBS=parseFloat(val2);} else if(val1=='oz') {var fermentLBS=parseFloat(val2)/16;} else if(val1=='cup'){var fermentLBS=parseFloat(val2)/8;} else if(val1=='tsp'){var fermentLBS=(parseFloat(val2)/16)*0.1666667;} else if(val1=='kg') {var fermentLBS=convert(parseFloat(val2),'kg','lbm');} else if(val1=='g') {var fermentLBS=convert(parseFloat(val2),'g','lbm');} else {var fermentLBS=0;} //alert(fermentLBS) return fermentLBS; } function computeFermentTOTAL() { //alert("computeFermentTOTAL") var LBS1 = computeLBS((document.brewbuilder.fermentUnits1.value),(document.brewbuilder.fermentAmt1.value)); var LBS2 = computeLBS((document.brewbuilder.fermentUnits2.value),(document.brewbuilder.fermentAmt2.value)); var LBS3 = computeLBS((document.brewbuilder.fermentUnits3.value),(document.brewbuilder.fermentAmt3.value)); var LBS4 = computeLBS((document.brewbuilder.fermentUnits4.value),(document.brewbuilder.fermentAmt4.value)); var LBS5 = computeLBS((document.brewbuilder.fermentUnits5.value),(document.brewbuilder.fermentAmt5.value)); //var LBS6 = computeLBS((document.brewbuilder.fermentUnits6.value),(document.brewbuilder.fermentAmt6.value)); /* var a1 = parseFloat(document.brewbuilder.fermentAmt1.value); var a2 = parseFloat(document.brewbuilder.fermentAmt2.value); var a3 = parseFloat(document.brewbuilder.fermentAmt3.value); var a4 = parseFloat(document.brewbuilder.fermentAmt4.value); var a5 = parseFloat(document.brewbuilder.fermentAmt5.value); var a6 = parseFloat(document.brewbuilder.fermentAmt6.value); var sum = a1 + a2 + a3 + a4 + a5 + a6; */ var sum = LBS1 + LBS2 + LBS3 + LBS4 + LBS5; //alert(LBS1 + LBS2 + LBS3 + LBS4 + LBS5) //alert(LBS4) var FermentTOTAL = sum; //alert(FermentTOTAL) return FermentTOTAL; } function computeTotalColor(volume,units) { //alert("computeTotalColor") //alert(units) //alert(volume) if(units=='eng'){ /* var cu1 = parseFloat(document.brewbuilder.fermentColor1.value)*parseFloat(document.brewbuilder.fermentAmt1.value); var cu2 = parseFloat(document.brewbuilder.fermentColor2.value)*parseFloat(document.brewbuilder.fermentAmt2.value); var cu3 = parseFloat(document.brewbuilder.fermentColor3.value)*parseFloat(document.brewbuilder.fermentAmt3.value); var cu4 = parseFloat(document.brewbuilder.fermentColor4.value)*parseFloat(document.brewbuilder.fermentAmt4.value); var cu5 = parseFloat(document.brewbuilder.fermentColor5.value)*parseFloat(document.brewbuilder.fermentAmt5.value); var cu6 = parseFloat(document.brewbuilder.fermentColor6.value)*parseFloat(document.brewbuilder.fermentAmt6.value); */ var LBS1 = computeLBS((document.brewbuilder.fermentUnits1.value),(document.brewbuilder.fermentAmt1.value)); var LBS2 = computeLBS((document.brewbuilder.fermentUnits2.value),(document.brewbuilder.fermentAmt2.value)); var LBS3 = computeLBS((document.brewbuilder.fermentUnits3.value),(document.brewbuilder.fermentAmt3.value)); var LBS4 = computeLBS((document.brewbuilder.fermentUnits4.value),(document.brewbuilder.fermentAmt4.value)); var LBS5 = computeLBS((document.brewbuilder.fermentUnits5.value),(document.brewbuilder.fermentAmt5.value)); //var LBS6 = computeLBS((document.brewbuilder.fermentUnits6.value),(document.brewbuilder.fermentAmt6.value)); var cu1 = parseFloat(document.brewbuilder.fermentColor1.value)* LBS1; var cu2 = parseFloat(document.brewbuilder.fermentColor2.value)* LBS2; var cu3 = parseFloat(document.brewbuilder.fermentColor3.value)* LBS3; var cu4 = parseFloat(document.brewbuilder.fermentColor4.value)* LBS4; var cu5 = parseFloat(document.brewbuilder.fermentColor5.value)* LBS5; //var cu6 = parseFloat(document.brewbuilder.fermentColor6.value)* LBS6; var cusum = (cu1 + cu2 + cu3 + cu4 + cu5)/volume; //alert(LBS4) var TotalColor=cusum; } if(units=='si'){ var LBS1 = computeLBS((document.brewbuilder.fermentUnits1.value),(document.brewbuilder.fermentAmt1.value)); var LBS2 = computeLBS((document.brewbuilder.fermentUnits2.value),(document.brewbuilder.fermentAmt2.value)); var LBS3 = computeLBS((document.brewbuilder.fermentUnits3.value),(document.brewbuilder.fermentAmt3.value)); var LBS4 = computeLBS((document.brewbuilder.fermentUnits4.value),(document.brewbuilder.fermentAmt4.value)); var LBS5 = computeLBS((document.brewbuilder.fermentUnits5.value),(document.brewbuilder.fermentAmt5.value)); //var LBS6 = computeLBS((document.brewbuilder.fermentUnits6.value),(document.brewbuilder.fermentAmt6.value)); var cu1 = LBS1 *parseFloat(document.brewbuilder.fermentColor1.value); var cu2 = LBS2 *parseFloat(document.brewbuilder.fermentColor2.value); var cu3 = LBS3 *parseFloat(document.brewbuilder.fermentColor3.value); var cu4 = LBS4 *parseFloat(document.brewbuilder.fermentColor4.value); var cu5 = LBS5 *parseFloat(document.brewbuilder.fermentColor5.value); //var cu6 = LBS6 *parseFloat(document.brewbuilder.fermentColor6.value); volume = convert(volume,'l','gal'); var cusum = (cu1 + cu2 + cu3 + cu4 + cu5)/volume; var TotalColor=cusum; } return TotalColor; } function computeGPERCENT() { //alert("computeGPERCENT") //var total = document.getElementById(FermentTOTAL).value // temp1; if (document.brewbuilder.fermentUnitsTOTAL.value=='lb'){ var total = parseFloat(document.brewbuilder.FermentTOTAL.value); } else{ var total = convert(parseFloat(document.brewbuilder.FermentTOTAL.value),'kg','lbm'); } //alert("total = " + total) if(isNaN(total)){ } else{ var LBS1 = computeLBS((document.brewbuilder.fermentUnits1.value),(document.brewbuilder.fermentAmt1.value)); var LBS2 = computeLBS((document.brewbuilder.fermentUnits2.value),(document.brewbuilder.fermentAmt2.value)); var LBS3 = computeLBS((document.brewbuilder.fermentUnits3.value),(document.brewbuilder.fermentAmt3.value)); var LBS4 = computeLBS((document.brewbuilder.fermentUnits4.value),(document.brewbuilder.fermentAmt4.value)); var LBS5 = computeLBS((document.brewbuilder.fermentUnits5.value),(document.brewbuilder.fermentAmt5.value)); //var LBS6 = computeLBS((document.brewbuilder.fermentUnits6.value),(document.brewbuilder.fermentAmt6.value)); /* document.brewbuilder.fermentPct1.value = formatnumber((parseFloat(document.brewbuilder.fermentAmt1.value)/total)*100,1); document.brewbuilder.fermentPct2.value = formatnumber((parseFloat(document.brewbuilder.fermentAmt2.value)/total)*100,1); document.brewbuilder.fermentPct3.value = formatnumber((parseFloat(document.brewbuilder.fermentAmt3.value)/total)*100,1); document.brewbuilder.fermentPct4.value = formatnumber((parseFloat(document.brewbuilder.fermentAmt4.value)/total)*100,1); document.brewbuilder.fermentPct5.value = formatnumber((parseFloat(document.brewbuilder.fermentAmt5.value)/total)*100,1); document.brewbuilder.fermentPct6.value = formatnumber((parseFloat(document.brewbuilder.fermentAmt6.value)/total)*100,1); */ document.brewbuilder.fermentPct1.value = formatnumber((LBS1/total)*100,1); document.brewbuilder.fermentPct2.value = formatnumber((LBS2/total)*100,1); document.brewbuilder.fermentPct3.value = formatnumber((LBS3/total)*100,1); document.brewbuilder.fermentPct4.value = formatnumber((LBS4/total)*100,1); document.brewbuilder.fermentPct5.value = formatnumber((LBS5/total)*100,1); //document.brewbuilder.fermentPct6.value = formatnumber((LBS6/total)*100,1); } } function computeGRAVITY(volume,units) { //alert("computeGRAVITY " + units) var brewEfficiency = (document.brewbuilder.brewEfficiency.value/100); if(units=='eng'){ var LBS1 = computeLBS((document.brewbuilder.fermentUnits1.value),(document.brewbuilder.fermentAmt1.value)); var LBS2 = computeLBS((document.brewbuilder.fermentUnits2.value),(document.brewbuilder.fermentAmt2.value)); var LBS3 = computeLBS((document.brewbuilder.fermentUnits3.value),(document.brewbuilder.fermentAmt3.value)); var LBS4 = computeLBS((document.brewbuilder.fermentUnits4.value),(document.brewbuilder.fermentAmt4.value)); var LBS5 = computeLBS((document.brewbuilder.fermentUnits5.value),(document.brewbuilder.fermentAmt5.value)); //var LBS6 = computeLBS((document.brewbuilder.fermentUnits6.value),(document.brewbuilder.fermentAmt6.value)); var og1 = LBS1 * ((parseFloat(document.brewbuilder.fermentSG1.value)*1000)-1000); var og2 = LBS2 * ((parseFloat(document.brewbuilder.fermentSG2.value)*1000)-1000); var og3 = LBS3 * ((parseFloat(document.brewbuilder.fermentSG3.value)*1000)-1000); var og4 = LBS4 * ((parseFloat(document.brewbuilder.fermentSG4.value)*1000)-1000); var og5 = LBS5 * ((parseFloat(document.brewbuilder.fermentSG5.value)*1000)-1000); //var og6 = LBS6 * ((parseFloat(document.brewbuilder.fermentSG6.value)*1000)-1000); var sumog = (og1 + og2 + og3 + og4 + og5); //alert ((parseFloat(document.brewbuilder.fermentSG1.value)*1000)-1) var GRAVITY = ((sumog/volume) /1000)*brewEfficiency + 1 ; } if(units=='si'){ var LBS1 = computeLBS((document.brewbuilder.fermentUnits1.value),(document.brewbuilder.fermentAmt1.value)); var LBS2 = computeLBS((document.brewbuilder.fermentUnits2.value),(document.brewbuilder.fermentAmt2.value)); var LBS3 = computeLBS((document.brewbuilder.fermentUnits3.value),(document.brewbuilder.fermentAmt3.value)); var LBS4 = computeLBS((document.brewbuilder.fermentUnits4.value),(document.brewbuilder.fermentAmt4.value)); var LBS5 = computeLBS((document.brewbuilder.fermentUnits5.value),(document.brewbuilder.fermentAmt5.value)); //var LBS6 = computeLBS((document.brewbuilder.fermentUnits6.value),(document.brewbuilder.fermentAmt6.value)); var og1 = LBS1 * ((parseFloat(document.brewbuilder.fermentSG1.value)*1000)-1000); var og2 = LBS2 * ((parseFloat(document.brewbuilder.fermentSG2.value)*1000)-1000); var og3 = LBS3 * ((parseFloat(document.brewbuilder.fermentSG3.value)*1000)-1000); var og4 = LBS4 * ((parseFloat(document.brewbuilder.fermentSG4.value)*1000)-1000); var og5 = LBS5 * ((parseFloat(document.brewbuilder.fermentSG5.value)*1000)-1000); //var og6 = LBS6 * ((parseFloat(document.brewbuilder.fermentSG6.value)*1000)-1000); volume = convert(volume,'l','gal'); var sumog = (og1 + og2 + og3 + og4 + og5); var GRAVITY = ((sumog/volume) /1000)*brewEfficiency + 1 ; } return GRAVITY; } /*--------------------------------------------------------------------*/ function chgtoHBATCH(units) { //alert("changetoHBATCH") if(units=='eng'){ document.brewbuilder.hopsTOTAL.value=formatnumber(computeHopAMOUNT(),2); computeIBU(units); document.brewbuilder.IBUTOTAL.value=formatnumber(computeIBUTOTAL(),2); } if(units=='si'){ document.brewbuilder.hopsTOTAL.value=formatnumber(computeHopAMOUNT(),2); computeIBU(units); document.brewbuilder.IBUTOTAL.value=formatnumber(computeIBUTOTAL(),2); } } function computeHopAMOUNT() { //alert("changetoamount") var a1 = parseFloat(document.brewbuilder.hopsAmt1.value); var a2 = parseFloat(document.brewbuilder.hopsAmt2.value); var a3 = parseFloat(document.brewbuilder.hopsAmt3.value); var a4 = parseFloat(document.brewbuilder.hopsAmt4.value); //var a5 = parseFloat(document.brewbuilder.hopsAmt5.value); //var a6 = parseFloat(document.brewbuilder.hopsAmt6.value); //var HopAmount = a1 + a2 + a3 + a4 + a5 + a6; var HopAmount = a1 + a2 + a3 + a4; return HopAmount; } function computeIBUTOTAL() { var a1 = parseFloat(document.brewbuilder.hopsIBU1.value); var a2 = parseFloat(document.brewbuilder.hopsIBU2.value); var a3 = parseFloat(document.brewbuilder.hopsIBU3.value); var a4 = parseFloat(document.brewbuilder.hopsIBU4.value); //var a5 = parseFloat(document.brewbuilder.hopsIBU5.value); //var a6 = parseFloat(document.brewbuilder.hopsIBU6.value); //var IBUTOTAL = a1 + a2 + a3 + a4 + a5 + a6; var IBUTOTAL = a1 + a2 + a3 + a4; return IBUTOTAL; } function computeIBU(units) { //alert("computeibu") //var method = (document.brewbuilder.utilType.value); //var method = document.getElementById('utilType').value; if (document.brewbuilder.utilType[0].checked){ var method = "Garetz"; } else if (document.brewbuilder.utilType[1].checked){ var method = "Tinseth"; } else if (document.brewbuilder.utilType[2].checked){ var method = "Rager"; } //alert(method) var BoilVolume = parseFloat(document.brewbuilder.PreBoilVolume.value); var FinalVolume= parseFloat(document.brewbuilder.bsize.value); var SGwort = parseFloat(document.brewbuilder.SGwort.value); if(units=='si'){ BoilVolume = convert(BoilVolume,"l","gal"); FinalVolume= convert(FinalVolume,"l","gal"); SGwort = convert(SGwort,"degE","sg"); } /*--------------------------------------------------------------*/ var amt = parseFloat(document.brewbuilder.hopsAmt1.value); if(units=='si'){amt = convert(amt ,"g","ozm");} var time = parseFloat(document.brewbuilder.hopsTime1.value); var alpha = parseFloat(document.brewbuilder.hopsAA1.value); document.brewbuilder.hopsIBU1.value = adjustIBU(amt,alpha,time,BoilVolume,FinalVolume,SGwort,method); /*--------------------------------------------------------------*/ var amt = parseFloat(document.brewbuilder.hopsAmt2.value); if(units=='si'){amt = convert(amt ,"g","ozm");} var time = parseFloat(document.brewbuilder.hopsTime2.value); var alpha = parseFloat(document.brewbuilder.hopsAA2.value); document.brewbuilder.hopsIBU2.value = adjustIBU(amt,alpha,time,BoilVolume,FinalVolume,SGwort,method); /*--------------------------------------------------------------*/ var amt = parseFloat(document.brewbuilder.hopsAmt3.value); if(units=='si'){amt = convert(amt ,"g","ozm");} var time = parseFloat(document.brewbuilder.hopsTime3.value); var alpha = parseFloat(document.brewbuilder.hopsAA3.value); document.brewbuilder.hopsIBU3.value = adjustIBU(amt,alpha,time,BoilVolume,FinalVolume,SGwort,method); /*--------------------------------------------------------------*/ var amt = parseFloat(document.brewbuilder.hopsAmt4.value); if(units=='si'){amt = convert(amt ,"g","ozm");} var time = parseFloat(document.brewbuilder.hopsTime4.value); var alpha = parseFloat(document.brewbuilder.hopsAA4.value); document.brewbuilder.hopsIBU4.value = adjustIBU(amt,alpha,time,BoilVolume,FinalVolume,SGwort,method); /*--------------------------------------------------------------*/ //var amt = parseFloat(document.brewbuilder.hopsAmt5.value); //if(units=='si'){amt = convert(amt ,"g","ozm");} //var time = parseFloat(document.brewbuilder.hopsTime5.value); //var alpha = parseFloat(document.brewbuilder.hopsAA5.value); //document.brewbuilder.hopsIBU5.value = adjustIBU(amt,alpha,time,BoilVolume,FinalVolume,SGwort,method); /*--------------------------------------------------------------*/ //var amt = parseFloat(document.brewbuilder.hopsAmt6.value); //if(units=='si'){amt = convert(amt ,"g","ozm");} //var time = parseFloat(document.brewbuilder.hopsTime6.value); //var alpha = parseFloat(document.brewbuilder.hopsAA6.value); //document.brewbuilder.hopsIBU6.value = adjustIBU(amt,alpha,time,BoilVolume,FinalVolume,SGwort,method); /*--------------------------------------------------------------*/ document.brewbuilder.IBUTOTAL.value=formatnumber(computeIBUTOTAL(),2); } function adjustIBU(amt,alpha,time,BoilVolume,FinalVolume,SGwort,method){ volume=FinalVolume; if(isNaN(amt)){amt = 0;} if(isNaN(alpha)){alpha = 0;} if(isNaN(time)){time = 0;} if(isNaN(BoilVolume)){BoilVolume = 0;} if(isNaN(FinalVolume)){FinalVolume = 0;} if(isNaN(SGwort)){SGwort= 0;} if (method=="Garetz"){ //Garetz Method //GF= Gravity Factor ->RagerGravityCorrection //HF=Hopping Rate Facor ->((CF*Desired IBUs)/260)+1 //TF=Temperature Factor ->((elevation in feet/550)*0.02)+1 //YF=Yeast Factor -> fast flocculator = (.95 amt), slow = (1.05 amt), hefe (.80 amt), //PF=Pellet Factor -> pellets (10-30 min boil) -> (0.90 amt) //BF=Bag Factor -> loose bag (1.10 amt) stuffed bag (1.20 amt) //FF=Filter Factor -> filtered (1.0125-1.025 amt) //correction=GF * HF * TF * YF * PF * BF * FF correction = 1.4; utilization = GaretzUtilization(time); } else if (method=="Rager") { correction= RagerGravityCorrection(BoilVolume,FinalVolume,SGwort); //alert(correction) correction = 1 + correction; utilization = RagerUtilization(time); } else if (method=="Tinseth") { correction=1; //utilA = TinsethUtilization(time); //utilB = TinsethBignessFactor(SGwort); utilization = TinsethUtilization(time)*TinsethBignessFactor(SGwort)*100; } ibuNow = (amt*utilization*alpha*0.749)/(volume*correction); ibuNow = formatnumber(ibuNow,2); return ibuNow; } function GaretzUtilization(time) { //Garetz Method if (time <= 10){utilization="0";} else if (time > 10 && time <=15) {utilization="2";} else if (time > 15 && time <=20) {utilization="5";} else if (time > 20 && time <=25) {utilization="8";} else if (time > 25 && time <=30) {utilization="11";} else if (time > 30 && time <=35) {utilization="14";} else if (time > 35 && time <=40) {utilization="16";} else if (time > 40 && time <=45) {utilization="18";} else if (time > 45 && time <=50) {utilization="19";} else if (time > 50 && time <=60) {utilization="20";} else if (time > 60 && time <=70) {utilization="21";} else if (time > 70 && time <=80) {utilization="22";} else if (time > 80) {utilization="23";} return utilization; } function RagerUtilization(time) { //Rager Method if (time <= 6){utilization="5";} else if (time > 6 && time <=10) {utilization="6";} else if (time > 10 && time <=15) {utilization="8";} else if (time > 15 && time <=20) {utilization="10.1";} else if (time > 20 && time <=25) {utilization="12.1";} else if (time > 25 && time <=30) {utilization="15.3";} else if (time > 30 && time <=35) {utilization="18.8";} else if (time > 35 && time <=40) {utilization="22.8";} else if (time > 40 && time <=45) {utilization="26.9";} else if (time > 45 && time <=50) {utilization="28.1";} else if (time > 50 && time <=60) {utilization="30";} else if (time > 60) {utilization="30";} return utilization; } function RagerGravityCorrection(BoilVolume,FinalVolume,SGwort){ var BG = ((FinalVolume / BoilVolume ) * (SGwort -1))+1; var RagerGravityCorrection = ((BG-1.050)/0.2)+1; return RagerGravityCorrection; } function TinsethUtilization(time){ //Tinseth Method var utilization = (1 - Math.exp(-0.04 * time))/4.15; return utilization; } function TinsethBignessFactor(SGwort) { //Tinseth Method var TinsethBignessFactor = 1.65 * Math.pow(0.000125,(SGwort - 1)); //alert(TinsethBignessFactor) return TinsethBignessFactor; } function chgtoHopUtil(units) { //alert("chgtoHopUtil") var amt = parseFloat(document.brewbuilder.amt.value); var time = parseFloat(document.brewbuilder.time.value); var alpha = parseFloat(document.brewbuilder.alpha.value); var BoilVolume = parseFloat(document.brewbuilder.BoilVolume.value); var FinalVolume = parseFloat(document.brewbuilder.FinalVolume.value); var SGwort = parseFloat(document.brewbuilder.SGwort.value); if(units=='eng'){ document.brewbuilder.ibuGaretz.value = adjustIBU(amt,alpha,time,BoilVolume,FinalVolume,SGwort,"Garetz"); document.brewbuilder.ibuTinseth.value = adjustIBU(amt,alpha,time,BoilVolume,FinalVolume,SGwort,"Tinseth"); document.brewbuilder.ibuRager.value = adjustIBU(amt,alpha,time,BoilVolume,FinalVolume,SGwort,"Rager"); } else if(units=='si'){ var amt = convert(amt,"g","ozm"); var BoilVolume = convert(BoilVolume,"l","gal"); var FinalVolume = convert(FinalVolume,"l","gal"); var SGwort = convert(SGwort,"degE","sg"); document.brewbuilder.ibuGaretz.value = adjustIBU(amt,alpha,time,BoilVolume,FinalVolume,SGwort,"Garetz"); document.brewbuilder.ibuTinseth.value = adjustIBU(amt,alpha,time,BoilVolume,FinalVolume,SGwort,"Tinseth"); document.brewbuilder.ibuRager.value = adjustIBU(amt,alpha,time,BoilVolume,FinalVolume,SGwort,"Rager"); } } function chgtohopsTOTAL(input) { document.brewbuilder.hopsTOTAL.value // input } function chgtoIBUTOTAL(input) { document.brewbuilder.IBUTOTAL.value // input } /*--------------------------------------------------------------------*/ function chgWater(elemid) { var1 = "document.brewbuilder.setWater" + elemid; var2 = eval(var1 + ".selectedIndex"); var3 = eval("document.brewbuilder.CA" + elemid); var3.value = water[var2][1]; var4 = eval("document.brewbuilder.MG" + elemid); var4.value = water[var2][2]; var5 = eval("document.brewbuilder.NA" + elemid); var5.value = water[var2][3]; var6 = eval("document.brewbuilder.SO4" + elemid); var6.value = water[var2][4]; var7 = eval("document.brewbuilder.CL" + elemid); var7.value = water[var2][5]; var8 = eval("document.brewbuilder.HCO3" + elemid); var8.value = water[var2][6]; if (elemid == 1) { drawbarsA(water[var2][1],water[var2][2],water[var2][3],water[var2][4],water[var2][5],water[var2][6]) } else if (elemid == 2) { drawbarsB(0,0,units) } } /*--------------------------------------------------------------------*/ function chgtoGYPSUM(temp,units) { //document.getElementById(name).value // temp1; document.brewbuilder.GYPSUM.value // temp; var gyp = parseFloat(document.brewbuilder.GYPSUM.value); if(isNaN(gyp)){ gyp = 0; } drawbarsB(gyp,1,units) } function chgtoEPSOM(temp,units) { document.brewbuilder.EPSOM.value // temp; var eps = parseFloat(document.brewbuilder.EPSOM.value); if(isNaN(eps)){ eps = 0; } drawbarsB(eps,2,units) } function chgtoCANNING(temp,units) { document.brewbuilder.CANNING.value // temp; var can = parseFloat(document.brewbuilder.CANNING.value); if(isNaN(can)){ can = 0; } drawbarsB(can,3,units) } function chgtoBAKING(temp,units) { document.brewbuilder.BAKING.value // temp; var bak = parseFloat(document.brewbuilder.BAKING.value); if(isNaN(bak)){ bak = 0; } drawbarsB(bak,4,units) } function chgtoCALCIUM(temp,units) { document.brewbuilder.CALCIUM.value // temp; var cal = parseFloat(document.brewbuilder.CALCIUM.value); if(isNaN(cal)){ cal = 0; } drawbarsB(cal,5,units) } function chgtoCHALK(temp,units) { document.brewbuilder.CHALK.value // temp; var cha = parseFloat(document.brewbuilder.CHALK.value); if(isNaN(cha)){ cha = 0; } drawbarsB(cha,6,units) } function chgtoINP04(temp,units) { document.brewbuilder.inp04.value // temp; var H20 = parseFloat(document.brewbuilder.inp04.value); if(isNaN(H20)){ H20 = 0; } drawbarsB(H20,7,units) } function chgtoH202(temp,id,units) { if(id=='CA2'){ //alert("hello again") document.brewbuilder.CA2.value // temp; var CA2 = parseFloat(document.brewbuilder.CA2.value); if(isNaN(CA2)){CA2 = 0;} drawbarsB(0,1,units) } if(id=='MG2'){ document.brewbuilder.MG2.value // temp; var MG2 = parseFloat(document.brewbuilder.MG2.value); if(isNaN(MG2)){MG2 = 0;} drawbarsB(0,2,units) } if(id=='NA2'){ document.brewbuilder.NA2.value // temp; var NA2 = parseFloat(document.brewbuilder.NA2.value); if(isNaN(NA2)){NA2 = 0;} drawbarsB(0,3,units) } if(id=='SO42'){ document.brewbuilder.SO42.value // temp; var SO42 = parseFloat(document.brewbuilder.SO42.value); if(isNaN(SO42)){SO42 = 0;} drawbarsB(0,4,units) } if(id=='CL2'){ document.brewbuilder.CL2.value // temp; var CL2 = parseFloat(document.brewbuilder.CL2.value); if(isNaN(CL2)){CL2 = 0;} drawbarsB(0,5,units) } if(id=='HCO32'){ document.brewbuilder.HCO32.value // temp; var HCO32 = parseFloat(document.brewbuilder.HCO32.value); if(isNaN(HCO32)){HCO32 = 0;} drawbarsB(0,6,units) } } function drawbarsA(t1,t2,t3,t4,t5,t6) { document.brewbuilder.BAR1A.setAttribute('height',t1/10); document.brewbuilder.BAR2A.setAttribute('height',t2/10); document.brewbuilder.BAR3A.setAttribute('height',t3/10); document.brewbuilder.BAR4A.setAttribute('height',t4/10); document.brewbuilder.BAR5A.setAttribute('height',t5/10); document.brewbuilder.BAR6A.setAttribute('height',t6/10); } function drawbarsB(change,id,units) { var gyp = parseFloat(document.brewbuilder.GYPSUM.value); var eps = parseFloat(document.brewbuilder.EPSOM.value); var can = parseFloat(document.brewbuilder.CANNING.value); var bak = parseFloat(document.brewbuilder.BAKING.value); var cal = parseFloat(document.brewbuilder.CALCIUM.value); var cha = parseFloat(document.brewbuilder.CHALK.value); var H20 = parseFloat(document.brewbuilder.inp04.value); // if (id==1){var gyp = parseFloat(change)}; if (id==2){var eps = parseFloat(change)}; if (id==3){var can = parseFloat(change)}; if (id==4){var bak = parseFloat(change)}; if (id==5){var cal = parseFloat(change)}; if (id==6){var cha = parseFloat(change)}; if (id==7){var H20 = parseFloat(change)}; // if(units=='eng'){ //convert from teaspoons to grams gyp = gyp*11.33900; } if(units=='eng'){ //convert from teaspoons to grams eps = eps*13.11380; } if(units=='eng'){ //convert from teaspoons to grams can = can*10.84600; } if(units=='eng'){ //convert from teaspoons to grams bak = bak*10.64387; } if(units=='eng'){ //convert from teaspoons to grams cal = cal*10.59950; } if(units=='eng'){ //convert from teaspoons to grams cha = cha*8.87400; } if(units=='si'){ //convert from liters to gallons H20 = convert(H20,"l","gal"); } // var t1 = parseFloat(document.brewbuilder.CA2.value) + (61.5*gyp + 72.0*cal + 105.8*cha)/H20; var t2 = parseFloat(document.brewbuilder.MG2.value) + (26.1*eps)/H20; var t3 = parseFloat(document.brewbuilder.NA2.value) + (103.9*can + 72.0*bak)/H20; var t4 = parseFloat(document.brewbuilder.SO42.value) + (142.4*gyp + 103.0*eps)/H20; var t5 = parseFloat(document.brewbuilder.CL2.value) + (160.3*can + 127.4*cal)/H20; var t6 = parseFloat(document.brewbuilder.HCO32.value) + (189.0*bak + 158.4*cha)/H20; // RESET if (id==99){ t1=0; t2=0; t3=0; t4=0; t5=0; t6=0; document.brewbuilder.GYPSUM.value =0; document.brewbuilder.EPSOM.value =0; document.brewbuilder.CANNING.value=0; document.brewbuilder.BAKING.value =0; document.brewbuilder.CALCIUM.value=0; document.brewbuilder.CHALK.value =0; //alert("RESET BARS") } //Draw adjusted bars document.brewbuilder.BAR1B.setAttribute('height',t1/10); document.brewbuilder.BAR2B.setAttribute('height',t2/10); document.brewbuilder.BAR3B.setAttribute('height',t3/10); document.brewbuilder.BAR4B.setAttribute('height',t4/10); document.brewbuilder.BAR5B.setAttribute('height',t5/10); document.brewbuilder.BAR6B.setAttribute('height',t6/10); //Display modified values document.brewbuilder.CA_3.value= Math.round(t1); document.brewbuilder.MG_3.value= Math.round(t2); document.brewbuilder.NA_3.value= Math.round(t3); document.brewbuilder.SO4_3.value= Math.round(t4); document.brewbuilder.CL_3.value= Math.round(t5); document.brewbuilder.HCO3_3.value= Math.round(t6); } /*--------------------------------------------------------------------*/ function chgtoOSG(units) { if(units=='eng'){ //var temp1 = osgval; //document.brewbuilder.OSG.value // temp1; var OE = convert(document.brewbuilder.OSG.value,"sg","degE"); var AE = convert(document.brewbuilder.FSG.value,"sg","degE"); var calories=computecals(OE, AE, document.brewbuilder.FSG.value,units); document.brewbuilder.FPF.value = computefpt(OE, AE,units); document.brewbuilder.ABW.value = computeABW(OE, AE); } else if(units=='si'){ //var temp1 = osgval; //document.brewbuilder.OE.value // temp1; var OE = document.brewbuilder.OE.value; var AE = document.brewbuilder.AE.value; OSG = convert(document.brewbuilder.OE.value,"degE","sg"); FSG = convert(document.brewbuilder.AE.value,"degE","sg"); var calories=computecals(document.brewbuilder.OE.value, document.brewbuilder.AE.value, FSG,units); document.brewbuilder.FPC.value = computefpt(document.brewbuilder.OE.value, document.brewbuilder.AE.value,units); document.brewbuilder.ABV.value = computeABV(OSG,FSG); } document.brewbuilder.AppAtt.value = computeAppAtt(OE,AE); document.brewbuilder.RealAtt.value = computeRealAtt(OE,AE); document.brewbuilder.bot12.value = Math.round(calories); //document.brewbuilder.bot16.value = Math.round(calories*(16/12)); //document.brewbuilder.bot22.value = Math.round(calories*(22/12)); //document.brewbuilder.bot32.value = Math.round(calories*(32/12)); } function chgtoFSG(units) { if(units=='eng'){ //var temp1 = fsgval; //document.brewbuilder.FSG.value // temp1; OE = convert(document.brewbuilder.OSG.value,"sg","degE"); AE = convert(document.brewbuilder.FSG.value,"sg","degE"); var calories=computecals(OE, AE, document.brewbuilder.FSG.value,units); document.brewbuilder.FPF.value = computefpt(OE, AE,units); document.brewbuilder.ABW.value = computeABW(OE, AE); } else if(units=='si'){ //var temp1 = fsgval; //document.brewbuilder.AE.value // temp1; var OE = document.brewbuilder.OE.value; var AE = document.brewbuilder.AE.value; OSG = convert(document.brewbuilder.OE.value,"degE","sg"); FSG = convert(document.brewbuilder.AE.value,"degE","sg"); var calories = computecals(document.brewbuilder.OE.value, document.brewbuilder.AE.value, FSG,units); document.brewbuilder.FPC.value = computefpt(document.brewbuilder.OE.value, document.brewbuilder.AE.value,units); document.brewbuilder.ABV.value = computeABV(OSG,FSG); } document.brewbuilder.AppAtt.value = computeAppAtt(OE,AE); document.brewbuilder.RealAtt.value = computeRealAtt(OE,AE); document.brewbuilder.bot12.value = Math.round(calories); //document.brewbuilder.bot16.value = Math.round(calories*(16/12)); //document.brewbuilder.bot22.value = Math.round(calories*(22/12)); //document.brewbuilder.bot32.value = Math.round(calories*(32/12)); } //Need apparent terminal gravity //apparent attenuation //real attenuation //Confirm apparent and real extract //compute strike temperature //compute gravity temperature correction //need standard values for specific heat, ratios to use, etc\ /* 1 kg of mashed grist = 0.8 L 1 lb of mashed grist = 0.10 gal relative thermal capacity = 0.32 kg (lbs) water have same thermal capacity as 1kg (lbs) grist, factor given by Kelly Jones !!! relative thermal capacity = 1.10 kg water have same thermal capacity as the mashtun -ADJUST TO YOUR SYSTEM !!! = 2.43 lbs water = 0.29 gals water Water Density at 20�C = 0.998203 grams / mL 1 gal Water = 8.33 lbs Carbonation of Disaccharides = 51.4% */ function computefpt(OEval , AEval ,units){ //Compute freezing temperature var RE = computeRE(OEval,AEval); var ABWval = computeABW(OEval, AEval); var freezeptF = -(0.42 * ABWval + 0.04 * OEval + 0.2) * 1.8 + 32; if(units=='eng'){ freezept = formatnumber(freezeptF,1); return freezept; } else if(units=='si'){ var freezeptC =(freezeptF - 32) * (5/9); var freezept = formatnumber(freezeptC,1); return freezept; } } function computecals(OEval, AEval, FGval, units) { //Compute calories per serving size var RE = computeRE(OEval,AEval); var ABWval = computeABW(OEval,AEval); var cals = (6.9*ABWval + 4*(RE-0.1))*3.55*FGval; if(units=='eng'){ cals = cals; } else if(units=='si'){ cals = convert(cals,"cal","kj"); } return cals; } function computeRE(OEval,AEval){ //Compute Real Extract var RE = 0.1808*OEval + (0.8192 * AEval); return RE; } function computeAppAtt(OEval,AEval){ //Compute Apparent Attenuation var AppAtt = ((OEval-AEval)/OEval)*100; AppAtt = formatnumber(AppAtt,1); return AppAtt; } function computeRealAtt(OEval,AEval){ //Compute Real Extract var RE = computeRE(OEval,AEval); var RealAtt = ((OEval - RE)/OEval)*100; RealAtt = formatnumber(RealAtt,1); return RealAtt; } function computeABW(OEval,AEval) { //Compute Alcohol by Weight var RE = computeRE(OEval,AEval); var ABWval = (OEval - RE) / (2.0665 - 0.010665 * OEval); ABWval = formatnumber(ABWval,2); return ABWval; } function computeABV(OSGval,FSGval) { //Compute Alcohol by Volume var ABVval = (OSGval- FSGval) * 125 * 1.05; ABVval = formatnumber(ABVval ,2); return ABVval; } function optionfill(arrayname,tgtname,nopts){ for (j=0;j