function chance_odds(info)
{
var chance =parseFloat(document.calc.chance.value);
if(chance>0)
{
	european = places(1/chance,2);
	decimal = (1/chance) - 1;
	document.calc.european.value = european;
	
	if (decimal >= 1)
	{
		american='+' + Math.round(100*decimal);
	} else {
		american=Math.round(-100/decimal);
	}
	document.calc.american.value = american;
	
	english=fraction(decimal);
	document.calc.english.value = english;
} else {
	document.calc.european.value = '';
	document.calc.english.value = '';
	document.calc.american.value = '';
}
}
function places(num, dec) {
var result = Math.round(num*Math.pow(10,dec))/Math.pow(10,dec);
return result;
}
function fraction(decimal)
{
for(denom=1;denom<99;denom++)
{
	if(Math.round(100*decimal*denom) == 100*Math.round(decimal*denom))
	{
		return Math.round(decimal*denom) + '/' + denom;
	}
}
return false;
}