function calcCloth(){
	form = document.clothCalc;
	//grab form variables
	var pre = form.preDiaper.value;
	var preN = form.preNum.value
	var fit = form.fitDiaper.value;
	var fitN = form.fitNum.value
	var allD = form.allDiaper.value;
	var allN = form.allNum.value;
	var cov = form.covers.value;
	var covN = form.covNum.value;
	var nightCov = form.nightCovers.value;
	var nightCovN = form.nightCovNum.value;		
	//calculate cost
	totPre = pre  * preN;
	totFit = fit * fitN;
	totAll = allD * allN;
	totCov = cov * covN;
	totNightCov = nightCov * nightCovN;
	//output results
	var preTotal = "";
	var fitTotal = "";
	var allTotal = "";
	var covTotal = "";
	var nightTotal = "";
		
	form.preTot.value = (totPre.toFixed(2));
	form.fitTot.value = (totFit.toFixed(2));
	form.allTot.value = (totAll.toFixed(2));
	form.covTot.value = (totCov.toFixed(2));
	form.nightTot.value = (totNightCov.toFixed(2));
}

function calcDisp(){
	form = document.dispCalc;
	//grab form variables
	var costPer = form.costPerPkg.value;
	var numPer = form.numPerPkg.value;
	//calculate cost
	totPer = costPer / numPer;
	//output results
	form.totDisp.value = Math.floor(100 * totPer)/100;
}