function Validateform6()
{
    var fname = document.form6.fname;
    var lname = document.form6.lname;
    var email = document.form6.email;

    if (fname.value == "")
    {
        window.alert("Please enter your First name.");
        fname.focus();
        return false;
    }
   
     if (lname.value == "")
    {
        window.alert("Please enter your Last name.");
        lname.focus();
        return false;
    }
   
    if (email.value == "")
    {
        window.alert("Please enter a valid e-mail address.");
        email.focus();
        return false;
    }
    if (email.value.indexOf("@", 0) < 0)
    {
        window.alert("Please enter a valid e-mail address.");
        email.focus();
        return false;
    }
    if (email.value.indexOf(".", 0) < 0)
    {
        window.alert("Please enter a valid e-mail address.");
        email.focus();
        return false;
    }
   
    return true;
}