// This script is intended to work in conjunction with labcalculator.js which creates the LabCalc global object
// this script will only work with the conv_pressure.htm file

LabCalc.calculate = function (given) {
	// first, determine kpa
	switch(given) {
		case "kpa" : {break;}
		case "psi" : {document.calculator.kpa.value=document.calculator.psi.value/0.145037738;break;}
		case "torr" : {document.calculator.kpa.value=document.calculator.torr.value/7.50061683;break;}
		case "bar" : {document.calculator.kpa.value=document.calculator.bar.value/0.01;break;}
		case "mmhg" : {document.calculator.kpa.value=document.calculator.mmhg.value*0.13332239;break;}
	}
	// next calculate remaining values based on kpa
		document.calculator.psi.value=document.calculator.kpa.value*0.145037738;
		document.calculator.bar.value=document.calculator.kpa.value*0.01;
		document.calculator.torr.value=document.calculator.kpa.value*7.50061683;
		document.calculator.mmhg.value=document.calculator.kpa.value/0.133322;
}