function validatornewsletter(theForm) {
	var error = "";
	var digits = "0123456789+-";
	
if (theForm.email.value.indexOf ('@',0) == -1 || theForm.email.value.indexOf ('.',0) == -1 || theForm.email.value == "@" || theForm.email.value == "@." || theForm.email.value == "" ) {
	error += "Vyplňte Váš e-mail.\n";
}
if (theForm.otazka.value != "tatar" && theForm.otazka.value != "velve" && theForm.otazka.value != "tarep" && theForm.otazka.value != "kevne" && theForm.otazka.value != "martin" && theForm.otazka.value != "padeset" && theForm.otazka.value != "dvacet" && theForm.otazka.value != "tricet" && theForm.otazka.value != "osmnast" && theForm.otazka.value != "deset" && theForm.otazka.value != "stovka" && theForm.otazka.value != "petset") {
	error += "Zodpovezte správně anti-spamovou otázku.\n";
}
if (error != "") {
	alert(error);
	return (false);
}
else {
}
}