function check_email(email) 
{
	invalidChars = " /:,;"
	if (email == "") {
		return true
	}
	for (i=0; i<invalidChars.length; i++) {	
		badChar = invalidChars.charAt(i)
		if (email.indexOf(badChar,0) > -1) {
			return false
		}
	}
	atPos = email.indexOf("@",1)
	if (atPos == -1) {
		return false
	}
	if (email.indexOf("@",atPos+1) != -1) {
		return false
	}
	periodPos = email.indexOf(".",atPos)
	if (periodPos == -1) {					
		return false
	}
	if (periodPos+3 > email.length)	{		
		return false
	}
	return true;
}


function mesaj_gb(form, categorie, film_id)
{
	if (form.elements["from"].value == '')
	{
		alert('Introduceti un nume!');
		form.elements["from"].focus();
		return false;
	}
	else if ((form.elements["email"].value != '') && (!check_email(form.elements["email"].value)))
	{
		alert('Introduceti o adresa valida de e-mail!');
		form.elements["email"].focus();
		return false;
	}
	else if (form.elements["mesaj"].value == '')
	{
		alert('Introduceti un mesaj!');
		form.elements["mesaj"].focus();
		return false;
	}
	
	return true;
}