function sendMail(form, path) {
    var v = form.email.value,p;
    p = v.indexOf('@');
    if ((p < 1) || (p == (v.length - 1))) {
        alert("Please enter correct email adress format.");
        return false;
    }
    else {
        form.action = path;
        form.submit();
    }
}
function sendMailPage(form,id) {
    var v = document.getElementById(id).value, p,s,t;
    p = v.indexOf('@');
    if ((p < 1) || (p == (v.length - 1))) {
        alert("Please enter correct email adress format.");
        return false;
    }
    else {
        s = v.substring(p);
        t = s.indexOf('.');
        if ((t < 1) || (t == (s.length - 1))) {
            alert("Please enter correct email adress format.");
            return false;
        }        
    }
}