/*
 * Caluclator on Home Page
*/


function checkIt(evt) {
    evt = (evt) ? evt : window.event
    var charCode = (evt.which) ? evt.which : evt.keyCode
    if (charCode > 31 && (charCode < 48 || charCode > 57)) {
        status = "This field accepts numbers only."
        return false
    }
    status = ""
    return true
}


var v1 = "";
var v2 = 100;
var v3 = 599;
var v4 = 3;
var v5 = 'You Save: $';
var answer = "";
function calculate () {
// The Calculation: change operator in this equation to change the calculation

answer1 = (((v1 / v2) * v4) - ((v1 / v2) + v3));
var answer = v5 + answer1;

var elem;
elem = document.getElementById("v1");
elem.value = v1;

elem = document.getElementById("answer");
elem.value = answer;
}

function setValue(elem) {
var val = "";
if (elem.value != "") {
val = parseFloat(elem.value);
}
else {
val = "-Please re-enter a figure-";
}

switch (elem.id) {
case "v1": v1 = val; break;
}

calculate();
}