var names1 = new Array;

names1[names1.length] = "firstname";
names1[names1.length] = "lastname";
names1[names1.length] = "job";
names1[names1.length] = "address";
names1[names1.length] = "city";
names1[names1.length] = "zipcode";
names1[names1.length] = "msg_text";

function checkVoid(formName, names) {
var i = 0;
for(i=0;i< names.length;i++) {
	var elem = document[formName][names[i]];
	if (elem == null || elem.value == "") {
		window.alert("Attenzione! Tutti i campi devono essere compilati");
		return false;
	}
}
return true;
}

function check(formName, names) {
if (checkVoid(formName,names) == true) {
	var e = document[formName].email.value;
	e = e.replace(/^\s*(\S*)\s*$/, "$1");
	var pattern = /^[A-Za-z0-9_.-]+@[A-Za-z0-9_.-]+\.[A-Za-z]{2,3}$/;
	var results = pattern.exec(e);
	if (e == results) {
		document[formName].email.value = e;
	} else {
		window.alert("Attenzione! L'email deve essere inserita correttamente");
		return;
	}
	if (document[formName].privacy[0].checked != true) {
		window.alert("Attenzione! E' necessario esprimere il proprio consenso sulla legge sulla privacy");
		return;
	}
} else {
	return;
}
document[formName].submit();
}