function ClearForm (form) {
form.weight.value="";
form.waist.value="";
form.bodyfat.value="";
}
function VerifyForm(form) {
var Correct = true;
if (form.weight.value == null || form.weight.value.length == 0 ||
form.waist.value == null || form.waist.value.length == 0) {
alert ("\nLütfen tüm alanları doldurun!");
Correct = false;
}
else {
var TestWeight;
var TestWaist;
TestWeight = parseFloat(form.weight.value);
TestWaist = parseFloat(form.waist.value);
if (isNaN (TestWeight)) {
alert("\nAğırlığı sayı birimi olarak girin!");
Correct = false;
form.weight.value="";
}
if (isNaN (TestWaist)) {
alert("\nBel çevresini sayı birimi olarak girin!");
Correct = false;
form.waist.value="";
}
if (TestWeight <= 0) {
alert("\nAğırlık birimini tekrar girin!");
Correct = false;
form.weight.value="";
}
if (TestWaist <= 0) {
alert("\nBel çevrenizi tekrar girin!");
Correct = false;
form.waist.value="";
}
}
if (Correct) {
var BF;
var BFPercent;
if (form.gender[0].checked) {
BF = -98.45 + (4.15*(TestWaist*.394)) - (.082*(TestWeight*2.205));
}
else {
BF = -76.75 + (4.15*(TestWaist*.394)) - (.082*(TestWeight*2.205));
}
BFPercent = BF / (TestWeight*2.205);
BFPercent = BFPercent * 100;
BFPercent = Math.round(BFPercent);
form.bodyfat.value = BFPercent + "%";
}
}