function submitForm(id) {
	var form = document.getElementById(id);
	if (checkLogin()) {
		form.submit();	
	}
}
function checkLogin() {
	var users = document.getElementsByName('USERID');
	var u = users[0];
	var passs = document.getElementsByName('PSW');
	var p = passs[0];
	var mess = "";
	if ((u.value==null) || (u.value=='')) {
		mess += "Username obbligatorio.\n";
		mess += "Username required.\n\n";
	}
	if ((p.value==null) || (p.value=='')) {
		mess += "Password obbligatoria.\n";
		mess += "Password required.";
	}
	if (mess!="") {
		alert(mess);
		return false;
	} else {
		return true;
	}
}