function validate(formCheck) //Function with a parameter representing a form name.

{
	//nama
    var nam = formCheck.nama;
	 if (nam.value.length <= 2 )
    {

        alert("Mohon isi dulu nama lengkap Anda");

        formCheck.nama.focus();

        return false;

    }
	
 	//email 
	var mail = formCheck.email;

    if (mail.value.length <= 6 || mail.value.indexOf ('@', 0) == -1 || mail.value.indexOf ('.', 0) == -1)

    {

        alert("email " + document.kuis.nama.value + " tidak valid!");

        mail.focus();

        return false;

    }
	chkkondisi = formCheck.radiobutton1.checked || formCheck.radiobutton2.checked || formCheck.radiobutton3.checked
	if (chkkondisi)
	{
		
	} else
	{
		alert("Mohon isi dulu jawaban kuisnya")
		return false;
	}

}
//-->