function round(number,X) {
// rounds number to X decimal places, defaults to 0
// rounds down, will not add places...
X = (!X ? 0 : X);
return Math.round(number*Math.pow(10,X))/Math.pow(10,X);
}

function calc(hcap) {
	$i = hcap.elements[0].value
	hcap.elements[3].value = (round((( 135 / 113 ) * $i )));
	hcap.elements[4].value = (round((( 132 / 113 ) * $i )));
	hcap.elements[5].value = (round((( 128 / 113 ) * $i )));
	hcap.elements[6].value = (round((( 138 / 113 ) * $i )));
	hcap.elements[7].value = (round((( 132 / 113 ) * $i )));
	hcap.elements[8].value = (round((( 129 / 113 ) * $i )));
}