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function CostOfConversion(car) {


if(car==0) cost=2145; // Falcon AU Sedan

if(car==1) cost=2508; // Falcon AU S/wagon

if(car==2) cost=2525; // Falcon BA Sedan

if(car==3) cost=2805; // Falcon BA S/wagon

if(car==4) cost=2046; // Falcon EL Sedan

if(car==5) cost=2453; // Falcon EL S/wagon

if(car==6) cost=2013; // Commodore VS Sedan

if(car==7) cost=2304; // Commodore VS S/wagon

if(car==8) cost=2304; // Commodore VT Sedan

if(car==9) cost=2772; // Commodore VT S/wagon

if(car==10) cost=2398; // Commodore VX Sedan

if(car==11) cost=2965; // Commodore VX S/wagon

if(car==12) cost=2398; // Commodore VY Sedan

if(car==13) cost=2965; // Commodore VY S/wagon

if(car==14) cost=2695; // Commodore VU utility

if(car==15) cost=2195; // Ford Econovan EFI

if(car==16) cost=2225; // Ford Courier

if(car==17) cost=2227; // Ford AU Ute

if(car==18) cost=2634; // Ford BA Ute

if(car==19) cost=2225; // Mazda B2600 Ute

if(car==20) cost=2195; // Mazda E2000 EFI

if(car==21) cost=2002; // Magna Sedan

if(car==22) cost=2524; // Magna S/wagon

if(car==23) cost=2222; // Mits Triton V6

if(car==24) cost=2178; // Mits. Pajero NM

if(car==25) cost=2145; // Patrol 4.5 GU

if(car==26) cost=2304; // Patrol 4.8 GU

if(car==27) cost=1974; // Toyota Camry 4cyl

if(car==28) cost=1974; // Toyota Camry/Avalon V6

if(car==29) cost=2843; // Landcruiser 80s

if(car==30) cost=2552; // Landcruiser 100s/6 twin tanks

if(car==31) cost=2915; // Landcruiser 100s/6 single tank

if(car==32) cost=3327; // Landcruiser 100s/V8

if(car==33) cost=1925; // Toyota Prado

if(car==34) cost=2161; // Holden Rodeo V6

if(car==35) cost=1975; // Holden Rodeo 4Cyl.

if(car==36) cost=3025; // Land Rover Discovery


document.form1.costconv.value=cost;

}


function calculate() {


var costconv=document.form1.costconv.value;

var kilometres=document.form1.kilometres.value;

var consumption=document.form1.consumption.value;

var petrolcost=document.form1.petrolcost.value;

var lpgcost=document.form1.lpgcost.value;

var petrolcostyear=kilometres*consumption*petrolcost/10000;

var lpgcostyear=kilometres*consumption*lpgcost*1.15/10000;

var savings=petrolcostyear-lpgcostyear;

var costconv=document.form1.costconv.value;

var recoup=costconv/(savings/12);


document.form1.petrolcostyear.value=Math.round(petrolcostyear);

document.form1.lpgcostyear.value=Math.round(lpgcostyear);

document.form1.savings.value=Math.round(savings);

document.form1.recoup.value=Math.round(recoup*10)/10;

}


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