<!-- 
function volt(number,X) {
// rounds number to X decimal places, defaults to 2
X = (!X ? 5 : X);
return Math.round(number*Math.pow(10,X))/Math.pow(10,X);
}
function computedec(obj) {
with (Math) {
d=eval(obj.den.value);
n=eval(obj.num.value);
obj.dec.value = volt(n/d);
}	
}
//-->