javascript float problem

<script language=javascript>

function ceil(number,significance){

if(significance){

return Math.ceil(number/significance) * significance;

}

return Math.ceil(number);

}

document.write(ceil((2025.4/(2000+2*19.05-12.7)).toFixed(3),1));

document.write("<br/>");

document.write(ceil(2.98,2));

</script>

note:  ceil((2025.4/(2000+2*19.05-12.7)),1) = 2, because of float problem, toFixed(prec) fix the problem.