// JavaScript Document

function lostWorkDays()
{
	var salesVolume = parseInt(document.getElementById('salesVolume').value);
	var profit = parseInt(document.getElementById('profit').value) / 100;
	var accidentCostsActual = parseInt(document.getElementById('accidentCostsActual').value);
	var error = 0;

	if( isNaN(salesVolume) )
	{
		alert("Please provide sales volume.");
		document.getElementById('salesVolume').focus();
		error = 1;
	}
	else if( isNaN(profit) )
	{
		alert("Please provide profit %. Do not type in the % sign.");
		document.getElementById('profit').focus();
		error = 1;
	}
	else if( isNaN(accidentCostsActual) )
	{
		alert("Please provide estimated or actual accident costs.");
		document.getElementById('accidentCostsActual').focus();
		error = 1;
	}

	if( !error )
	{
		var annualProfits = 0;
		var accidentCostsAsProfit = 0;

		if( (salesVolume > 0) && (profit > 0) )
		{
			annualProfits = (salesVolume) * (profit);
		}
		
		if( (accidentCostsActual > 0) )
		{
			accidentCostsAsProfit = ( (accidentCostsActual / (annualProfits) ) * 100);
		}
		

		document.getElementById('annualProfits').innerHTML=annualProfits.toFixed(0);
		document.getElementById('accidentCostsAsProfit').innerHTML=accidentCostsAsProfit.toFixed(0)+'%';
	}
}