function chkfrm(frmnam)
{
if (frmnam.Name.value == '') {
        alert ('Name cannot be empty!');
        return false;
        }
if (frmnam.Email.value == '' || !(frmnam.Email.value.indexOf(".") > 2 && frmnam.Email.value.indexOf("@") > 0)) {
        alert ('Email is not valid, it need to be like a@b.com!');
        return false;
        }
if (frmnam.spamcode.value == '') {
        alert ('Please enter the code from the image!');
        return false;
        }
}