function calltwo(){
	var f = document.form1;
	validateForm(f);
	calculatekitcost();
}
function calculate(){
	var f = document.form1;
	var dailyvehiclecost = f.dailyvehicle.value;
	var vehiclemileage = f.vehiclemileage.value;					
	if(dailyvehiclecost != ''){
		if(isNaN(dailyvehiclecost)){
			alert('Please enter a number in daily vehicle running');
			f.dailyvehicle.focus();
			return false;
		}else{
			f.dailyfuel.value = 0;
			f.dailypetrol.value = 0;
			f.dailyvehicle1.value = dailyvehiclecost;
			f.vehiclemileage1.value = 0;
			if(vehiclemileage != ''){
				if(isNaN(vehiclemileage)){
					alert('Please enter a number in daily vehicle Mileage');
					f.vehiclemileage.focus();
					return false;
				}else{
					var temp;
					f.vehiclemileage1.value = f.vehiclemileage.value;
					temp = 5/100 * f.vehiclemileage1.value;
					temp = Math.round(temp);
					f.vehiclemileage1.value = f.vehiclemileage.value - temp;
					var dailyvehiclecost1 = f.dailyvehicle1.value;
					var vehiclemileage1 = f.vehiclemileage1.value;
					if(!isNaN(dailyvehiclecost) && !isNaN(vehiclemileage)){
						f.dailyfuel.value = dailyvehiclecost / vehiclemileage;
						f.dailyfuel.value = Math.round(f.dailyfuel.value);
						f.dailyfuel1.value = dailyvehiclecost1 / vehiclemileage1;
						f.dailyfuel1.value = Math.round(f.dailyfuel1.value);	
					}
				}	
			}
		}	
	}					
}
function calculate1(){
	var f = document.form1;
	if(!isNaN(f.perlitrecost.value) && f.perlitrecost.value != "")
	{
		f.dailypetrol.value = f.perlitrecost.value * f.dailyfuel.value;
		f.dailypetrol.value = Math.round(f.dailypetrol.value);
	}else{
		alert('Please enter a number in Per Litre Cost of Petrol');
		f.perlitrecost.focus();
		return false;
	}
}
function calculatelpgexpense(){
	var f = document.form1;
	if(f.perlitrecost1.value != ""){
		if(isNaN(f.perlitrecost1.value)){
			alert('Please enter a number in Per Litre Cost of LPG');
			f.perlitrecost1.focus();
			return false;
		}else{
			f.dailylpg.value = f.perlitrecost1.value * f.dailyfuel1.value;
			f.dailylpg.value = Math.round(f.dailylpg.value);
		
			f.dailysave.value = f.dailypetrol.value - f.dailylpg.value;
			f.dailysave.value = Math.round(f.dailysave.value);
			
			f.monthlysave.value = f.dailysave.value * 25;
			f.monthlysave.value = Math.round(f.monthlysave.value);
			
			f.yearlysave.value = f.monthlysave.value * 12;	
			f.yearlysave.value = Math.round(f.yearlysave.value);
		}	
	}else{
		alert('Please enter a number in Per Litre Cost of LPG');
		f.perlitrecost1.focus();
		return false;
	}
}	
function chkkitcost(){
	var f = document.form1;
	if((f.kitcost.value != "") && (isNaN(f.kitcost.value))){
		alert('Please enter a number in Kit Cost of LPG');
		f.kitcost.focus();
		return false;
	}	
}
function calculatekitcost(){
	var f = document.form1;
	if(f.kitcost.value != ""){
		if(isNaN(f.kitcost.value)){
			alert('Please enter a number in Kit Cost of LPG');
			f.kitcost.focus();
			return false;
		}else{
			f.recover.value = f.kitcost.value/f.monthlysave.value;
			f.recover.value = Math.round(f.recover.value);
		}
	}					
}