<!-- Begin
function calc() {
var dnum = ((eval(document.res.inpa.value)) / 2);
var i;
var pol;
var inum = (Math.round(dnum));
if (inum == dnum) {
document.res.rses.value="Number: " + (eval(document.res.inpa.value)) + " is Even\n\n";
}
else {
document.res.rses.value="Number: " + (eval(document.res.inpa.value)) + " is Odd\n\n";
}
document.res.rses.value += "Factors Are:\n\n";
var num = Math.round(eval(document.res.inpa.value));
for (i = 2; i < (num / 2); i++) {
var chkd = Math.round(num / i);
var inn = Math.round(num / i);
var outt = (num / i);
if (inn == outt && chkd > i) {
document.res.rses.value = document.res.rses.value + "(" + (num/i) + "," + i + ")";
      }
   }
}
function numbersonly() {
if (event.keyCode < 48 || event.keyCode > 57) return false;
}
//  End -->